Rough Black Kyanite Blades / 1-5" AVG - 1 KILO LOT Menu Fossils & Amber Notebook comes with a key

Notebook comes with a key

Pieces measure approximately 6-10 inches

Avg Size Range: (2

#4   1-kilo average count: (  8-10   )

Average size range: 20 to 50 millimeters

Rough Black Kyanite Blades / 1-5" AVG - 1 KILO LOT Menu Fossils & Amber Notebook comes with a keyQuantity: 1 kilogram Average size range: 1 to 5 inches Kyanite is an aluminum rich crystal that forms on metamorphic rock under extremely high pressure. Unlike its more traditionally blue, orange, or green hued counterparts, black kyanite also contains inclusions of graphite that have altered the color. These inclusions also affect the crystal formation, which tends toward fan like blades.