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Good grade, bronze-colored ore, massive.

Clear, euhedral points and sections.

Bright metallic cubic cleavages; lead ore.

Deep purple crystal clusters.

Dark brown to black; polycrystalline zinc ore.

Feldspar group; greenish gray alkali feldspar, coarse crystalline, some iridescence.

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

Bright blue crystalline veins and coatings in a matrix of mixed copper ore.

Light pink, massive, crystalline, translucent.

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