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Classic “peacock” aluminum ore.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

Gray, fine, friable, with abundant small sanidine crystal fragments.

Pure, white, earthy “China clay”.

Cleaned, pure, bright, metallic native copper.

Silvery, paragranite and muscovite-rich with medium garnet crystals.

Fine, common limestone; massive, and will fizzle with HCl.

White, fibrous, silky luster.

Everything need for starting a dissection.

The Centripetal Force Kit is inexpensive and effective.

Gray, fine-grained, massive contact rock.

Fine to medium-grained with biotite.

Gray to buff, with numerous ooliths and fossil fragments.

Clear, pure cleavages, Mohs’ hardness of 2.

Indestructible, high-quality, fiberglass tape.

Gray with line crinoid columnal fragments.