"Freeze-Dried Specimens"

Pure, white, earthy “China clay”.

Cleaned, pure, bright, metallic native copper.

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

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

Amphibole group; black, coarse, massive.

Black, Micaceous, glittery metallic.

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

Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.

Deep purple crystal clusters.

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