Question

which is called black diamond

Answer 1

hiiii mate here is the answer

coal is known as black diamond

hope it may help you

Answer 2

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

Image result for Carbonado

View all

Carbonado, commonly known as the "black diamond", is the toughest form of natural diamond. It is an impure form of polycrystalline diamond consisting of diamond, graphite, and amorphous carbon. It is found primarily in alluvial deposits in the Central African Republic and in Brazil.