Mineral Specimens

Great for geology hardness tests.

Red, classic oolitic texture.

Crystals and crystal sections up to 1", Mohs’ hardness of 9.

Amphibole group; black, coarse, massive.

Classic, white chalk, massive; from Cliffs of Dover, England.

White, fibrous, silky luster.

Feldspar group; pink cleavages showing perthitic texture, common potassium feldspar, Mohs’ hardness of 6.

Brown, fluorescent crystals intergrown in dolomite rock.

Cleaned, pure, bright, metallic native copper.

Clear, euhedral points and sections.