Almost all commercially minable diamonds are formed in an area of the earth’s mantle about 150 kilometers below the surface. This area is often known as the diamond stability zone, where temperatures are above 1000 degrees Celsius.
Can diamonds be found anywhere?
Diamonds are present in about 35 countries. South Africa, Russia and Botswana are the main producers of gem diamond while Australia produces most of the industrial diamond. They are also found in India, Russia, Siberia, Brazil, China, Canada and the United States.
Can I find diamonds in my backyard?
You can find diamonds in your backyard, especially if you live in certain areas of the United States where ancient volcanic activity occurred. It’s also possible to find diamonds in stream beds on your property. … Even though the chances of finding a diamond in the rough are about 1 in 10 million, it can happen!
Why are diamonds only found in certain areas of the world?
Diamonds are formed deep within the Earth’s mantle, and only volcanoes situated on the thickest (and oldest) sections of crust can bring these diamonds to the surface rapidly enough that they do not revert to graphite. … This limits the occurrence of natural diamonds to only a few (albeit large) regions.
Where are diamonds mostly found?
Seven countries have led the world in the production of gem-quality diamonds for over a decade. Russia, Botswana, Canada, Angola, South Africa, the Democratic Republic of the Congo, and Namibia have all been consistently producing over one million carats per year.
What rock is diamond found in?
Diamond is only formed at high pressures. It is found in kimberlite, an ultrabasic volcanic rock formed very deep in the Earth’s crust. The extreme pressures needed to form diamonds are only reached at depths greater than 150km.
Can you find diamonds in gravel?
After sifting in water, the saruca is flipped upside-down on a table, so that heavy gravel (and hopefully a diamond) appears on top of the resulting gravel pile. … Diamonds are fairly heavy for their size and are often found near other heavy rocks and minerals, such as jasper, hematite, calcite and quartz.
What type of soil are diamonds found in?
A grove of Pandanus candelabrum, which appears to grow only in diamond-bearing kimberlite soils. Diamonds are formed hundreds of kilometers below the surface, as carbon is squeezed under intense temperatures and pressures.
How far beneath the earth’s surface do diamonds form?
Natural diamonds typically form 150–200 km below the surface of the earth. Diamond formation does not occur everywhere at these depths, but only below the oldest continents that have been stable for billions of years; these areas are known as cratons (see figure 2 in Summer 2018 Diamonds from the Deep).
What happens if I find a diamond?
Most states will allow finders to keep the property if the owner does not show up to claim it after a certain time. Failure to report a found item can lead to criminal charges. So, unless you’re at Crater of Diamonds State Park, you cannot keep a found diamond.
Can you find diamonds on top of the ground?
More diamonds tend to be found on top of the ground during spring and late summer through early fall. Two factors make these seasons more successful: rain and sun. Most surface diamonds are found on sunny days, two to three days after rainfall.
Is it possible to find diamond in the river?
Diamond sources have traditionally been found by panning rivers and looking for diamonds or indicator materials from pipes like garnets, pyrite or chromium dioxide and then going through the laborious process of following the trail backwards to its source. … Locating garnets is often the key to finding diamonds.