kimberlite how to identify a raw diamond. As a result of their natural formation process and lack of polishing, raw diamonds typically. kimberlite how to identify a raw diamond

 
 As a result of their natural formation process and lack of polishing, raw diamonds typicallykimberlite how to identify a raw diamond 75

Here are some methods to identify a diamond in its raw form: 1. Under “Add your personalization,” the text box will tell you. Batu ini biasanya ditemukan di bawah lapisan tanah. Billions of years old, they formed deep in the earth’s mantle and were brought to the surface by volcanic eruptions. They’re. About 6,400 kimberlite. 47) or oil of wintergreen (refractive index 1. Home / how to identify a raw diamond. It is known that kimberlites are ultrabasic igneous rocks, which normally occur as pipes, dikes or sills. As a rock, rather than a single mineral, the chemical makeup of kimberlite varies. How to Identify Raw Diamonds. Diamonds are not only formed under the heat and pressure of the Earth’s gravity, but can form in the midst of a collision between Earth and an asteroid. 2. There are some that are colorless but these are rare. Diamonds can only be found in diamond-bearing kimberlite rocks that have been subjected to high pressures and temperatures. Next, look for a kimberlite pipe. Diamonds are typically formed near kimberlite pipes, ultrabasic igneous rocks with at least 15% olivine and no quartz or feldspar crystals. Kimberlites are very diverse, but generally have distinct trace mineralogy. . Given that less than 1% of kimberlites will yield an economically-viable diamond deposit, finding a viable diamond mine is a daunting task. Opal. If you are selling a diamond, I can guarantee that the other party will demand to see proof and authentication of the diamond’s qualities from your side. Light a lighter and hold it over the crystal. $800. e. . Dot test Lay a white piece of paper flat on a hard surface and draw a small dot with a pen. Kimberlite eruptions appear to reach the surface around 22-30 million years after. Another way to identify raw diamonds is to test their density. [1] The visual test is a quick way to rule out other gemstones but is not a definitive test. Diamonds are crystalline carbon and the hardest known substance. In Minnesota, there are a few places where you might be able to find diamonds. . Introduction. DIAMOND ORE KIMBERLITE blue ground high quality 100lbs lot for sale free clay with purchase valued at $2,000 for just the clay. These stones are dark-colored, heavy, often altered, and brecciated (fragmented). These eruptions were short, but many times more powerful than volcanic eruptions that happen today. One of the key identifiers of raw diamonds is their rough surface texture. Most kimberlites emerge at the surface as roughly circular, pipelike bodies generally only 100 feet or less across. 07 (25% off) Interesting impactite. Check out the diamond's facets, spots, and flaws on the surface. Another solid form of carbon known as graphite is the chemically stable form of carbon at room temperature and pressure, but diamond is metastable and converts to it at a negligible rate under those. May 4, 2023 - Explore LaJuana Beers's board "Raw Diamond", followed by 275 people on Pinterest. Colored Diamonds such as blue, red, green, pink, and purple, are known as. It is in its natural state, straight from the earth. 5 on a piece of glass can be scratched quite a bit by anything, so don’t scratch it with the shiny rock. From there, you'll want to perform a more precise test with a piece of corundum or an electronic diamond tester. You are more likely to spot these indicator minerals. B: Boulder of Tombodor conglomerate, the carbonado host rock. In this stage, the ore are scrubbed to remove loose excess material and is screened. Diamonds form rare gemstones commercially mined from kimberlite, lamproite and placer deposits primarily around old continental cores known as cratons. Diamonds are found all over the world, in countries including Africa, Australia, and Russia. The pipe is then removed and the diamonds are sorted. If you can see a circular reflection of the dot inside the gem, then it is not a real diamond. “Ahora, the last release of the Romo-Agri-Messiez, ranked in the top…“Ahora, the last release of the Romo-Agri-Messiez, ranked in the top…Most are a few hundred meters across, so they can be hard to find. The new algorithm uses this data. The monitoring studies are conducted at storage facilities of Severalmaz PJSC where ca. Wait about 40 seconds. Kimberlite is a volcanic rock that often has a bluish. How to Identify an Uncut Rough Diamond Identification of rough diamonds uses crystal form, specific gravity, hardness and other physical properties. Identification of rough diamonds uses crystal form, specific gravity, hardness and other physical properties. Today man-made diamonds are being used in computers, speakers, cutting tools, bearings, laser windows, wear-resistant parts and much more. Raw diamonds are usually yellow, brown, or black. Identifying it from a couple of photographs is impossible. Need it to make raw diamonds. Diamonds are classified as either cut or uncut: When a diamond is in its original state and has not been cut, it’s often referred to as a “rough” or “raw” diamond. 1. If there are 6 sides, it means that itu2019s likely a quartz crystal. 88K subscribers Subscribe 350 50K views 9 years ago If you want to find diamonds, watch this channel. " The mineralogy of the rocks in these pipes, known as kimberlite, is unusual and unique and reflects high pressure of formation. By. Kimberlites are rare, enigmatic, low-volume igneous rocks. Learn how to identify these lab-created diamonds. Name and Origin Kimberlite Rock: History. Kimberlite rocks are unlike kimberlite melts, owing to entrainment and assimilation of mantle and crustal fragments, fluid loss during ascent and emplacement, and post-emplacement alteration. Look for rough or uneven surfaces. . Raw gemstones can come in a. Identifying raw diamonds requires the use of specific tools that can aid in observation and analysis. 5mm-5mm Natural Gray Brown Loose Genuine Diamonds Uncut Multi Color Rough Stone For Jewelry Makes C-21946. Learn how to recognize rough diamondsIn Kimberlite rocks and this video is a sampling of Kimberlite rocks w. Kimberlite gains intrinsic value as the source of these priceless diamonds. Simple Tests You Can Perform At Home. Credit: YouTube. Uncut rough diamonds most often occur in kimberlite pipes in ancient cratons but may also occur in lamprophyre and lamproite dikes or ultra-high pressure metamorphic rocks. The diamonds in the yellow ground can be washed into streams to eventually wind up in alluvial deposits. This device divides the diamond into new segments. It can be a challenge to survive in the ice and snow of northern Canada, let alone find diamonds. Heat the stone with a lighter for approximately 40 seconds, then. Figure 1. This is due to deposits of limonite that occur on kimberlite during natural weathering. One focus of the search was in far northeastern Arizona where, of course, there were no diamonds, but there is still Diamond Fields. Use The Fog Test. Performing Simple Tests at Home 1 Look down at the top of the crystal and. However, diamonds do form in mineral crystal deposits found in igneous rock. Kimberlite: How to Identify a Raw Diamond Diamonds are renowned for their beauty and high value. These uncut diamonds are the most popular gemstones in the. Home; How To Sell Jewelry; About Us; FAQs; ContactLab-grown diamonds are absolutely real in the sense that the resulting stone is a gem-quality diamond that can compete with natural stones in many ways. If it sinks, the stone is a genuine raw diamond. Not everything that shines is gold, and not everything that sparkles is a diamond. If you want to find diamonds, watch this channel. See more ideas about raw diamond, diamond, rough diamond. In a natural diamond, you should be able to see a couple of these with a 10X hand lens unless you found a really good diamond – then you may need a. South Africa seems to have the most, and kimberlite gets its name from the Kimberley mining district in that country. Step 2 – Take note of the quantity of water in your container. The first diamonds found in South Africa were alluvial and by 1870, a blue, hard, igneous rock, later named kimberlite, was discovered as the primary source of diamonds. Rocks That Have Diamonds in Them. Depending on the excavation area and mine, the atomic numbers vary between 12 and 14. Kimberlite is an indicator mineral, increasing odds for geologists that a. kimberlite, a dark-coloured, heavy, often altered and brecciated (fragmented), intrusive igneous rock that contains diamonds in its rock matrix. This rock was named after Kimberly in South Africa, where in 1887, Henry Carvill Lewis, an American. Kimberlite is a type of potassic volcanic rock best known for sometimes containing diamonds. It is most commonly known to be the main host matrix. How To Identify Raw Diamonds In Rocks. . Haggerty says a rule of sixes applies: Of the more than 6000 known kimberlite pipes in the world, about 600 contain diamonds. Step 3 – Place the stone into the water container; do this carefully to avoid any spillage of. Diamonds are known to be the hardest mineral, with a score of 10 on the Mohs hardness scale. Diamonds which have not yet been cut are referred to as 'rough' or 'raw' diamonds. Olivine crystals (green) are in a fine-grained matrix made up of clay minerals and carbonates (presented in blue, purple and buff colors). Looking at the crystal form is a fast way to differentiate a diamond from many other minerals and gemstones that look similar. A simple geologic model based on descriptions by Hawthorne (1975) and Nixon (1973) is given, and the varied geophysical responses obtained over kimberlite pipes are interpreted in terms of this model. Most of the world's known kimberlites have distinctive geophysical signatures, generally magnetic and/or electromagnetic. The presence of other crystals in it also earned names like Peridotite Diamond and Olivinite Diamond. Learn how to recognize rough diamondsIn Kimberlite rocks and this video is a sampling of Kimberlite rocks w. $165. But diamonds are not the only passengers. Under “Add your personalization,” the text box will tell you. Both are diamonds, of course. 0. Only 1% of kimberlite is economic and these are almost always found in or above Archean cratons. A quick test involves placing the crystal in vegetable oil (average refractive index 1. Raw diamonds have a natural sparkle, but it will be less intense than a cut and polished stone. Just as amazing, however, is how natural diamonds reach Earth’s surface. The specimen above is a piece of kimberlite with numerous visible grains of phlogopite and a six millimeter octahedral diamond crystal of about 1. This is because volcanic rock erodes and is washed away over time. How To Tell Raw Diamond From Quartz. , 2018). Much of the diamonds presently mined come from kimberlite ores. Diamonds must be stable in order to maintain their stability due to continental cratons, which are constantly under pressure. This makes sure that the kimberlite is real and has value. December 19, 2022 by July. Figure 2. Rough jade. The diamond itself is essentially a chain of carbon atoms that have crystallized. Rough Diamond Stock Photo by ©Kacpura 50178199 . . , kimberlite, lamproite and lamprophyre). To conduct this test, you’ll need a specific gravity tester and a clean, dry diamond. Until more work is done in these regions, one cannot tell if these rocks have any economic value. Precious Stones HeartEyeMag-13. A big pink diamond of 170 carats has been discovered in Angola and is claimed to be the largest such gemstone found in 300 years. Haggerty says a rule of sixes applies: Of the more than 6000 known kimberlite pipes in the world, about 600 contain diamonds. Mining of raw diamonds is done in the remnants of the ancient volcanoes that first exposed them to the surface. Once the water is emptied out and prevented from flowing into the area of interest, bulldozers are then used to exploit the ground of the riverbank. This Video is all about the easiest method to identify diamonds. In order to accurately identify a raw diamond, one must take note of its hardness, specific gravity, and refractive index, among other factors. Learn how to recognize rough. It is most commonly known to be the main host matrix. When purchasing a diamond, it is critical to understand the differences between diamond and quartz crystals. LOSOWA ; ZALOGUJ SIĘ . more iolite (water sapphire) and diamonds will be found. 00. What does a raw diamond in the ground look like?. When enough melt has formed, it rises. Opal. These discoveries indicate. $1,350. The pipes are rare. $8. The monitoring studies are conducted at storage facilities of Severalmaz PJSC where ca. Other containt abundant minerals are chrome-diopside, olivine, and chromium- and pyrope-rich garnet . Place your gem in a plastic cup filled with water and fill it halfway with water. Diamond Mines in the United States. Kimberlites occur primarily on Pre-Cambrian Cratons, formed particularly in Archaean age. If the result is close to 3. The stone's unique hardness is a result of the densely concentrated nature of the carbon chains. A raw diamond found in the ground will have a jagged surface, with rough edges and a dull appearance. Some rare diamonds are worth many times that of any other gemstone and gold. They have different. 2. Both iolite and diamonds were discovered in. Stage 2 – Scrubbing. Jackass Gulch south of Jackson. Then drop the stone you have into the glass. The rapid and violent eruption of kimberlite releases carbon dioxide and other volatile components. 7 g) diamond in 1871 spawned a diamond rush, eventually creating the Big Hole. How To Identify A Rough, Raw & Uncut Diamond. Kimberlite Rocks. Kimberlite was called Diamond Rock in earlier times due to the presence of Diamonds. They sparkle and catch the light. Oregon's famous sunstone is produced from basalt flows, thundereggs are formed in rhyolite, and the silica that produced much of Oregon's opal, agate, and jasper was. The diamonds are also rather thinly dispersed through those that do. Alluvial mining involves the building of walls and the diversion of rivers. discovered in the central Laramie Mountains north of. 47) or oil of wintergreen (refractive index 1. This is especially true if you spend much time near flowing streams, especially in. 5 Carats Raw Diamond 3. If you want to find diamonds, watch this channel. Crystal Form. Minecraft Depth for Diamonds. But diamonds have also been found far from the pipes. Minecraft Easiest Way to Find Diamonds. Still, before they. A blog about how to find diamond deposits, where to find rough diamonds and finally, how to identify rough diamonds and their host rocks (i. When wet, the clay looks blue – hence the name, ‘blue ground’. . But NO OTHER HARDNESS TEST will identify a diamond. This. . 53g/cm3, and you can test this by dividing the weight of the stone by the weight of the stone suspended in water. Learn how to recognize rough diamondsIn Kimberlite rocks and this video is a sampling of Kimberlite rocks w. The conventional process, however, can detect the diamonds only at the surface of the ore. Zaloguj się . The badge consists of Brazilian diamonds as well as emeralds and rubies, and it is designed in a way to conceal the metal mounting and emphasize the gems. The number of sides can be found by counting the points of the crystal. 00. The diamond is the hardest natural substance known. Kimberlite eruptions appear to reach the surface around 22-30 million years after supercontinents split us, and after slabs of crustal roots have migrated away from the edges of continental plates. Diamonds are chemically unstable in a kimberlite magma, and the outer surface. If the stone shatters, it is made of weaker components and is not a real diamond. 5 Ways to Identify a Raw Diamond. They are formed deep in the. Ultraviolet Light. You can use an electric scale to measure how much water is in the water. S. Find kimberlite, and you’ve got a much better. Learn to recognize rough diamond crystals and tell real diamonds from other stuff you. Satellite data from various sensors have been used to identify potential targets that are most favourable for the occurrence of kimberlites (Tessema et al. . Three basic methods of hunting for diamonds are used, all having some potential for success. , 2013, Guha et al. Easy check at home between diamonds and crystals - very simple methods. To identify whether the stone you have is a diamond, you can do a quick visual evaluation to rule out other gemstones. Extract well find thousands and even hundreds of flawless of all sorts of colors and shades. The discovery could lead to more colorful diamonds. It is found in kimberlite, an ultrabasic volcanic rock formed deep inside the Earth’s crust. Diamonds, the coveted gemstones known for their brilliance and rarity, are found in their natural state embedded within rocks. Kimberlite, a rare type of volcanic rock, is famous for its association with diamonds. The kimberlite pipes (such as those at Kimberley, South Africa) form from intrusions of magma into the Earth’s crust and deliver diamonds and other rocks and minerals from the mantle. 5 Ways to Identify a Raw Diamond. When the diamond-rich depth is reached, the raw. Kimberlites originate deep within the earth’s mantle and are brought to the surface in violent, gas-charged eruptions. Australia's rare pink-diamond mine formed from the clashing and stretching of continents, a new study found. Whether something is hard or strong depends on its internal structure. Natural diamonds are one of nature’s wonders. Raw diamonds are similar to water-worn quartz pebbles, and can be mistaken for these rocks. However, statistical analysis can use the micro-diamond data to learn much about the kimberlite’s potential to host a large diamond population. $46. They are natural, uncut, pure diamond and are conflict free. Batu intan alami biasanya ada di tumpukan pipa kimberlit. Get the best deals on kimberlite when you shop the largest online selection at eBay. Kimberlite: How to Identify a Raw Diamond. Due to the brilliance, hardness, and rarity of Diamond, it is the most famous of all gemstones. Material smaller than 1. Kimberlite: How to Identify a Raw Diamond Diamonds are renowned for their beauty and high value. For over a century, mineral prospectors have known that a rock known as kimberlite often contains diamonds. Use The Fog Test. Kimberlite has low silica and aluminum, is high in magnesium, is low in total alkalis yet typically high in potassium relative to sodium, geochemical features that link kimberlite melts to a deep mantle source. John, Diamond in kimberlite. Forged under extreme temperatures and pressures more than 150 kilometers down in the mantle, diamonds ride rockets to reach Earth’s surface: narrow pipes of magma called kimberlite that can erupt at the speed of sound. Its streak is known as "none" or "colorless". Raw diamonds are typically less clear than cut and polished diamonds. It is named after the city of Kimberley in South Africa, where the first diamonds were found. You can also perform a gravity test to determine the specific gravity of the stone. Kimberlite is a type of igneous rock that is ultramafic and ultrapotassic. Then, lay the flat side of the diamond on top of the dot and look down on the paper through the pointed end. Kimberlite is found in ancient volcanic pipes, which are formed when magma (molten rock. One of the most. If there are 4 sides, thereu2019s a possibility the crystal is a diamond. December 9, 2022 by July. Kimberlite is a type of rock that is found in the earth’s crust and is the main source of diamonds. e. The below are all raw diamonds that are made 100% by the earth and are completely unaltered by humans. How do you tell if you found a diamond. The diamonds, which also originate in the mantle, are carried up to the surface in these small pipelike bodies. If you can see a circular reflection of the dot inside the gem, then it is not a real diamond. The raw diamonds will stick to the greasy surfaces, while the others will flow off with the water. Thus, many refer to it as a complex hybrid rock. 00 Carat White Uncut Tiny Loose Diamonds. imperfections, also known as inclusions, are found in the majority of genuine diamonds. Cubic diamonds, on the other hand, will have parallelograms or rotated squares. Hold the loupe close to your eye and focus on the diamond to use it. It was recognized not in the field but during routine thin section preparation in U. All diamonds were found in Pleistocene glacial deposits or Holo- cene river gravel. As for longevity given enough time diamonds outside of the conditions under which they were formed will decompose to graphite. Diamond prospectors know that the secret to finding diamonds is to locate rocks called kimberlites. GemHunter's Guide to Diamonds and Their Mineralogy & Prospecting Methods. of any rough diamond, from whatever source, unless the rough diamond has been controlled through the Kimberley Process Certification Scheme (KPCS). Diamonds are most abundant in stable layers of the Earth's crust called. Kimberlite is a potassic to ultrapotassic ultramafic rock with inequigranular texture. These are the sites. There are three main types of natural diamonds. If your suspected diamond crystal can scratch corundum, then there is a good chance that you found a diamond. Identifying Diamond Rock through the 4C’s. The magma inside the kimberlite pipes acts like an elevator, pushing the diamonds and other rocks and minerals through the mantle and crust in just a few hours. Corundum, which includes all rubys and sapphires, is 9 on the hardiness scale. The best and easiest way to establish a basic trust is to get it graded by an authoritative gemological lab. A: Scene from Chapada Diamantina, the carbonado site in Bahia, Brazil. To identify a raw diamond at home, you will need a few tools including a magnifying glass, a pen, and a piece of white paper. The diamonds, which also originate in the mantle, are carried up to the surface in these small pipelike bodies. Visual Inspection. Ultra rare drop from boulders in Braisewest. As a result of their natural formation process and lack of polishing, raw diamonds typically. Identifying a raw diamond is no easy task, but you can do it with the right knowledge and tools. The kimberlite rock was named after Kimberley, a place in South Africa. 1. Wash and dry the stone to remove dirt and dust. Finding the proverbial needle in a haystack is probably much simpler! Geologists do have a few tools at their disposal to locate and identify kimberlite pipes. Learn how to recognize rough diamondsIn Kimberlite rocks and this video is a sampling of Kimberlite rocks w. Diamond indicator mineral grains recovered during mining of Canadian kimberlite; minerals are sourced from the deep mantle and are rapidly transported to the Earth's surface by kimberlite magma. You may never have heard the name puddingstone, but it is very likely you have seen at least one. In kimberlite deposits, you might see small or large chunks of mantle rocks, minerals, and other foreign rocks or crystals (called xenoliths). To identify whether the stone you have is a diamond, you can do a quick visual evaluation to rule out other gemstones. Looking at the crystal form is a fast way to differentiate a diamond from many other minerals and gemstones that look similar. What gems are found in kimberlite? Garnet, chromite, ilmenite, chromium diopside, and olivine occur in kimberlites in significantly higher quantities than diamonds. From there, you'll want to perform a. Once the water is emptied out and prevented from flowing into the area of interest, bulldozers are then used to exploit the ground of the riverbank. Once you have found a kimberlite pipe, look for raw diamonds. As an example, you can scratch steel with a diamond, but you can easily shatter a diamond with a hammer. Rough diamonds are partially transparent, so if you hold the stone to the. You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long. They appear to be identical. is rotated vertically on the surface of the raw gem. Why Diamonds Are Only Found In Kimberlites. Texture: The stone has a fine-grained texture with a glassy or crystalline appearance. The rock type peridotite is identical to kimberlite, but contains no diamonds. Diamonds which have not yet been cut are referred to as 'rough' or 'raw' diamonds. This channel has specialized in rock kimberlite and diamond raw natural which is an ongoing series and machahd is the result of the work of my youth learn how to recognize rough diamonds in kimberlite rocks and this video is a sampling of kimberlite rocks with rough diamonds so that you. That is one chance in a billion! OK, so you think you beat the odds and actually found a rough diamond. Kimberlites are volcanic eruptions that bring material from the depths where diamonds can form. Learn how to recognize rough diamondsIn Kimberlite rocks and th. Free shipping on many items | Browse your favorite brands | affordable prices. Try observing the crystal under U. Next, place the stone in water and weigh it again. Here are a few places where at least a few diamonds have been recovered: In Amador County near the town of Oleta, Fiddletown and Volcano. “Ahora, the last release of the Romo-Agri-Messiez, ranked in the top…Zircons, not diamonds are the oldest rocks on Earth by about a factor of 2x. Kimberlite Pendant Necklace Sterling Silver - 925 Stamped Eye Ring Raw Stone Crystal Jewelry Gemstone Gift for Her Him Women Men Cord Chain. Kimberlite eruptions leave behind a characteristic deep, carrot-shaped "pipe" of kimberlite rock, which often contains diamonds. 1. normally chemical impurities and other characteristics such as being harder than diamonds from Africa. Kimberlite has a fine-grained texture and can look glassy or crystalline. Most diamonds have been transported to Earth’s surface from depths between ~120 km and ~660 km by volatile-rich magmas called kimberlites. Test for Specific Gravity. Another steep-walled pipe is the 25 ha Tier 1 Udachnaya (Russia) diamond mine, a kimberlite twin pipe (Kostrovitsky et al. . To test this, grab a drinking glass and fill it with cold water. If your suspected diamond crystal can scratch corundum, then there is a good chance that you found a diamond. Diamonds Act 56 of 1986, and the Diamonds Export Levy Act 15 of 2007. Kimberlite and diamonds are both erupted to the earth's surface via volcanic pipes. Later high-quality diamonds of over 13 carats were found in. Rough jade. How To Identify A Raw Diamond At Home. Minor diamond mineralization is also found in other rock types - such as some lamprophyres, but so far, these remain uneconomical. . Kimberlites occur primarily on Pre-Cambrian Cratons, formed particularly in Archaean age. If it sinks, the stone is a genuine raw diamond. A quick test involves placing the crystal in vegetable oil (average refractive index 1. Quartz will almost disappear in these oils, but a diamond will remain very distinct. In general, it’s high in magnesium and potassium minerals, while low in silica. Kimberlite-diamond | Rock jewelry, Raw gemstones, rough diamond - YouTube . This photo shows diamonds from the Argyle Mine in northern Western Australia. Free shipping on many items | Browse your favorite brands | affordable prices. The vast majority of the thin crust that we live on is considerably younger; this lack of preserved older material is a consequence of our dynamic planet. Porosity: The rock. Pipa kimberlit adalah batu vulkanik, atau batuan yang terbentuk dari lelehan magma. The Mohs reading of 5. If micro-diamond analysis produces a favorable result, a larger sample is usually taken to determine the probable grade of the deposit, meaning the quantity of diamonds per unit of rock, like. kimberlite how to identify a raw diamondKimberlite is an igneous rock and a rare variant of peridotite. Guides. In order to determine whether the stone you possess is a diamond, you can visually inspect it to eliminate other gemstones. 82 carat gray and black colored cube diamond parcel. . Kimberlite is a type of igneous rock. Much of the rough has been exported because only a small number of. Hold the diamond in the light and observe the sparkle. Diamond is found in kimberlites and also in alluvial deposits (streams, river. Kimberlite is an igneous rock and a rare variant of peridotite. 544-1. 70 g) diamond called the Star of South Africa in 1869 spawned a diamond rush and the digging of the open-pit mine called the Big Hole. If you want to find diamonds, watch this channel.