A very attractive crystallization of calcite scalenohedra

Leathery formation of palygorskite

Hardness scale according to Mohs for determining the hardness of stones with hardness 1-9

Größe: 46 x 27 x 7 mm

Aktinolith

Stibnit (Antimonit), Giant Yellowknife Mine, Northwest Territories, Canada 1 kg A very attractive crystallization ofDescription: A crystallization of fine, needle like antimonite crystals that aggregate into a beautifully shaped group. A piece from an old stock from a rarely offered site in Canada. A very fine miniature. Details: Mineral: Stibnite (antimonite) Source: Giant Yellowknife Mine, Northwest Territories, Canada Size: 3. 5 x 1. 8 x 1. 5 cm