Tourmalinated Quartz | Octagon Cut | 17x13mm 13.3ct | Brazil Meteorites It is almost pure silica

It is almost pure silica (around 98%) with very few impurities

Name: Apophyllite and Stilbite Crystals

Name: Bladed Kyanite Crystal

Shape: Trilliant Checkerboard Cut

matrix-supported with calcareous-argillaceous matrix) and the Tandsbyn Breccia (monomictic crystalline ejecta)

Tourmalinated Quartz | Octagon Cut | 17x13mm 13.3ct | Brazil Meteorites It is almost pure silicaProduct Type: Tourmalinated Quartz Approx Weight (per piece): 13. 3ct Size: 17x13mm Shape: Octagon Cut Color: Colorless Clarity: Tourmalinated Clear Origin: Brazil Treatment: Natural No known treatment The appearance of Tourmalinated Quartz is characterized by clear or milky quartz with dark, thread like, or needle shaped inclusions of black tourmaline running through the stone. These inclusions can vary in density, giving each piece a distinct and