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How Many Types of Black Diamonds Are There?

Published in Gemology 2 mins read

There isn't a definitive number of "types" of black diamonds, as they are primarily categorized by their color and origin.

Black Diamond Color and Origin

Black diamonds get their color from different factors:

  • Carbonado: These are extremely rare diamonds found only in Brazil and the Central African Republic. They are known for their black color, which comes from inclusions of graphite and other minerals.
  • Carbon: Some black diamonds get their color from tiny inclusions of carbon, which absorb light and create a dark appearance.
  • Surface Alterations: Diamonds can become black due to surface alterations, such as polishing or etching.

Black Diamond Formation

Black diamonds are formed under different conditions than regular diamonds.

  • Carbonado: These diamonds are thought to have formed in a meteorite impact.
  • Carbon: Other black diamonds may form deep within the Earth's mantle under extreme pressure and heat.

Black Diamond Terminology

While there isn't a strict classification of black diamonds by type, they are sometimes referred to by their color and origin, such as:

  • Carbonado Black Diamonds: These are the rarest and most valuable type of black diamond.
  • Black Diamonds: This is a general term for any diamond that is black in color.

Black Diamond Uses

Black diamonds are used in jewelry, industrial applications, and even as a form of investment.

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