Natural Quartz White Round Oval Square Trillion Emerald Faceted Gems since 1989
Gem Species: QUARTZ Hardness: 7 Density: 2.66 RI: 1.54. Depth is between 60% and 70% of size listed. Size can vary +-0.1mm. Fine Cut (unless noted) = Precision cut or visually imitates a precision cut.