Rough Blue Kyanite with Corundum / 1-2" AVG - 1 KILO LOT Menu polished shapes pendants and aside from use in

and aside from use in jewelry it was commonly used in Ancient Greece to streak test metals to determine purity

Mixed Shape Fancy Jasper Towers

Avg Size Range: (751 to 900 grams)

Pieces measure approximately 25-40mm (AVERAGE SIZE)

Often used as a semiconductor with a fairly small band gap

Rough Blue Kyanite with Corundum / 1-2" AVG - 1 KILO LOT Menu polished shapes pendants and aside from use inQuantity: 1 kilogram Average size range: 1 to 2 inches Kyanite is an aluminum rich crystal that forms on metamorphic rock under extremely high pressure. Its distinctive blue color comes from iron and titanium, and some pieces with trace amounts of manganese can turn orange instead. This kyanite also contains inclusions of corundum, the same base mineral as rubies and sapphires.