CARBONADO

CARBONARDO IS A RARE TYPE OF OPAQUE BLACK DIAMOND USED FOR DRILLING BITS AND ABRASIVE WHEELS. UNLIKE OTHER DIAMONDS, CARBONADOES ARE NOT FOUND IN A CRYSTALLIZED FORM – THEY ARE FOUND IN IRREGULAR OR ROUNDED FRAGMENTS. THESE DIAMONDS HAVE A VERY HARD POLYCRYSTALLINE CARBON STRUCTURE..
TODAY, IT IS ALSO USED IN JEWELLERY.