"Freeze-Dried Specimens"

Feldspar group; calcium end member plagioclase crystals in pyroxene matrix.

Brown, fluorescent crystals intergrown in dolomite rock.

Black, high grade, foliated, greasy feel.

Light gray, compact, hard, opaque, microcrystalline silica mineral.

Clear, euhedral points and sections.

Gemmy, sherry-colored crystals and sections approximately 3/8– 1/2"

Pyroxene group; dark green, pure cleaved fragments.

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

Clear rhombs showing double refraction.

Good grade, green, massive; copper ore.

Fresh Green forsterite, classic “twin sisters” dunite.

Pure, bright yellow, Frasch sulfur.

Ward's® highest quality and purest mineral offerings.

Selenite is a Clear gypsum mineral with a moh's hardness of 2.

Talc is the softest know mineral with a moh's hardness of 1, and composed of clay.

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Massive sedimentary gypsum with a moh's hardness 2..