Citrine 8X10-12X14mm Freeform Hand Cut - 15-16 inch R1440 and the green color is

and the green color is caused by a reaction in the stone when the chrome is introduced to water

a mineral of the Quartz family

with inclusions of white to colorless translucent or transparent

Diamonds actually form at high temperatures and pressures that occur in Earth's mantle about 100 miles below Earth's surface

Citrine 8X10-12X14mm Freeform Hand Cut - 15-16 inch R1440 and the green color isCitrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It may also contain rainbow to colored or sparkling inclusions. The name comes from the French word for lemon, citron. It was a prized gem in Greece as far back as 300 BCE.