Black Tourmaline Cluster with Mica (Schorl) brown to golden-yellow hydrous potassium

brown to golden-yellow hydrous potassium iron titanium silicate mineral

The color of citrine is not fully understood

Weight: 10

lasting from the Pliocene Epoch to the Holocene

Black Tourmaline Cluster with Mica (Schorl) brown to golden-yellow hydrous potassiumThis is a perfect example of black tourmaline that is suited for a collection of any size. You can easily see the natural growth of the crystal alongside small flakes of muscovite mica. Size: 3. 3 x 1. 9 x 1. 4 in. Weight: 6. 5 oz Black Tourmaline, officially named schorl, was first found in a tin mine located in Saxony, Germany, previously named Schorl. Black tourmaline forms in a trigonal crystal structure. Black tourmaline is often found alongside