A black diamond is a rare/ not common, distinct, and dark type of diamond made of carbon. They are also called carbonates.
How they are made:
Black diamonds are made of carbon, graphite, and other minerals.
They form when smaller crystals coalesce.
Inclusions of graphite, magnetite, and hematite give black diamonds their dark color.
Black diamonds can also be treated with heat and radiation to darken their color.
Where they are found:
Black diamonds are found in alluvial deposits in equatorial regions, such as Central Africa and Brazil.
What they are used for:
Black diamonds are used in jewelry such as engagement rings, bracelets, pendants, and earrings.
They are well-known in fashion and are often seen on red carpets and at award ceremonies.
What makes them special:
Black diamonds are one of the hardest forms of natural diamonds, measuring 10 on the Mohs hardness scale.
They have a high luster and can appear metallic.
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