Carbonado
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Jump to navigationJump to search Cryptocrystalline diamond; compact, tough, opaque, dark-gray to black, cleavage
absent; generally in rounded masses, also in angular broken fragments.
Principal source is Bahia, Brazil, but also found elsewhere in South America
and Africa. Syn: black diamond; carbon diamond. CF: ballas
Source: Dictionary of Mining, Mineral, and Related Terms
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