Diamond 2-4mm Chip Black- 15-16 Inch Optimism but it can also occur

but it can also occur as orange

It is a rare variety of Pectolite

worshipped by the Incas

It occurs in bright turquoise blues and darker blues as well as rust reds

It is also one of the hardest

Diamond 2-4mm Chip Black- 15-16 Inch Optimism but it can also occurDiamond is a rare, naturally occurring mineral composed of pure carbon. Although most people think of diamonds as colorless, they actually occur in almost every color! Also, many people believe that diamonds are formed from coal, but it is not true. Diamonds actually form at high temperatures and pressures that occur in Earth's mantle about 100 miles below Earth's surface.