Virginia Turquoise - from the collection of the Mineral Museum at James Madison University. Photographer: Mary Sutherland

Turquoise Crystals

Rare specimen of sky blue-colored turquoise crystals.

Location: Bishop Mine, Lynch Station, Campbell Co., Virginia
Hydrous Copper Aluminum Phosphate.
Specimen size: 13cm x 9cm
Currently on display at the Mineral Museum at James Madison University
Specimen submission courtesy of Dr. Lance Kearns.

General Turquoise Information
Color Range: blue, blue - green, green, white, yellowish-green
Crystal Habit: massive, nodular, single crystals rare
Crystal System: triclinic
Fracture: conchoidal
Mohs Scale of Hardness: 5 - 6
Streak: bluish to white
Specific Gravity: 2.6 - 2.9