Description
- Type: Black Tourmaline (a type of boron silicate mineral)
including elongated crystals and transparent or translucent sheets
primarily in the Norwegian regions of Telemark
bismuth is a brittle
What sets this particular sphere apart is its banded pattern of alternating reddish-brown and silvery-gray layers
Globular Hematite sold-out-hidden - Type: Black Tourmaline (aSize: 12x5x7 cms Weight: 662 grams Location: Minas Gerais, Brazil Product Description: Globular Hematite from Minas Gerais, Brazil, is a striking mineral specimen featuring rounded, globular formations of hematite, showcasing a unique and natural beauty. Geological Information: Location: Minas Gerais, Brazil Mineral Composition: Iron oxide (FeO) Formation: Hydrothermal veins and pegmatites Age: Proterozoic to Mesoproterozoic era, approximately 2. 5 1.