Rough Blue Kyanite with Corundum / 1-2" AVG - 1 KILO LOT Menu polished shapes pendants Avg Size Range: (751 to

Avg Size Range: (751 to 900 grams)

Listing is for (100 Piece)

Calcite: A crystalline wonder

dumortierite is an aluminum and boron-rich mineral that tends to grow in long fibrous crystals

Rough Blue Kyanite with Corundum / 1-2" AVG - 1 KILO LOT Menu polished shapes pendants Avg Size Range: (751 toQuantity: 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.