Diamond 2-4mm Chip Black- 15-16 Inch December Apatite can exhibit chatoyancy —

Apatite can exhibit chatoyancy — an uncommon optical phenomenon in some stones that resembles the light reflection of a cat’s eye

and it has been used throughout history for various purposes

It is a white granite with dark gray mottling that also exhibits blue or green spots

oil and succinic acid

Diamond 2-4mm Chip Black- 15-16 Inch December Apatite can exhibit chatoyancy —Diamond 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.