Raw Biotite Mica Crystal Specimen Rock – 195 grams

Raw Natural Biotite Mica Crystal Specimen Rock / Stone

Country of Origin: Erongo Region, Namibia

Quantity: 1 Biotite Mica Crystal Specimen. You will receive the exact gemstone shown in the photos.

Size: approx 4.5cm in height x 7cm in width x 6.5cm in dept.

10-point scale of mineral hardness: 2.5 – 3.0 (10 – Hard, 1 soft)

Weight: 195 grams

Care has been taken to ensure that weights and measurements are as accurate as possible, however please do note that these are only approximate.

These specimens are in their natural raw form and shedding of small crystals is normal. Natural inclusions, cracks and pockets are all visible and all part of the natural stone. Please handle with extra care. These are very fragile stones.

Biotite is also known as Black Mica and is mostly found in various crystalline igneous rocks like pegmatite, peridotite, gabbro, diorite, and granite.