Black Tourmaline Cluster with Mica (Schorl) Because these specimens are almost

Because these specimens are almost pure silica

and Amethyst

These Megalodon tooth halves are a great buy for anyone interested in science

Size: 2

Fluorspar was first described in the early 1530s by a German scientist

Black Tourmaline Cluster with Mica (Schorl) Because these specimens are almostThis 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. 1 x 1. 9 x 1. 9 in. Weight: 8. 6 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