Great buy, this is a mix lot of different sizes, shapes and colors Labradorite. Five Kilo Bag with is 5,000 grams. Average rise 12g the lot has anywhere from 400 to 480 cabochons.
Labradorite is a calcium-enriched feldspar mineral first identified in Labrador, Canada, which can display an iridescent effect. Labradorite is an intermediate to calcic member of the plagioclase series. It has an anorthite percentage of between 50 and 70. The specific gravity ranges from 2.68 to 2.72.
Color: Blue, Green, Purple, Yellow, Red, Grey, Brown
Luster: Pearly, Vitreous
Chemical formula: (Na,Ca)₁₋₂Si₃₋₂ O₈
Hardness (Mohs hardness scale): 6 – 6.5
Transparency: Translucent, Transparent