"Gary K. benson"

Formalin Preserved

Formalin Preserved

Freeze-dried grassfrogs. Available in vacuum packs.

Clear rhombs showing double refraction.

Black, high grade, foliated, greasy feel.

Clear, pure cleavages, Mohs’ hardness of 2.

Black, Micaceous, glittery metallic.

Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.

Spinel group; iron-black, massive; natural magnet.

Good grade, green, massive; copper ore.

Mica group; cut sheets showing basal cleavages. Books and sheets in bulk pack.

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

Nearly pure, green crystalline forsterite.

Fresh Green forsterite, classic “twin sisters” dunite.

Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

Pyroxene group; dark green, pure cleaved fragments.