"Freeze-Dried Specimens"

Clear, pure cleavages, Mohs’ hardness of 2.

Good grade, bronze-colored ore, massive.

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

Classic “peacock” aluminum ore.

Small 1–1.5 mm crystal, octahedrans or cubes, Mohs” hardness of 10.

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

Great for geology hardness tests.

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.

Dark brown to black; polycrystalline zinc ore.

Exemplary display of hexoctahedral crystal shape.