A classroom set that covers the major types of coal.

Red, classic oolitic texture.

Crystals and crystal sections up to 1", Mohs’ hardness of 9.

Cleaned, pure, bright, metallic native copper.

White, fine, massive, opaque to slightly translucent.

Deep blue, massive, with nepheline; key feldspathoid.

Pure, white, earthy “China clay”.

Fluorite is Green Halide mineral with moh's hardness 4.

Black, Micaceous, glittery metallic.

Kaolin is a white clay mineral that has vast industrial uses

Amphibole group; black, coarse, massive.

Shiny crystal clusters and crystalline groups.

Classic “peacock” aluminum ore.

White to gray, medium to coarse-grained, crystalline.

Galena is a light metallic gray cleavage of lead ore

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

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

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

Red, earthy, in natural chunk form; common pigment ore.

Hemalite is a Massive, dense red to gray, classic example of iron ore.

Pyroxene group; gray-green, coarse crystalline.

Good grade, brass-yellow copper ore, massive.

Great for geology hardness tests.

Clear, pure cleavages, Mohs’ hardness of 2.

Bright metallic cubic cleavages; lead ore.

Light pink, massive, crystalline, translucent.

Fools gold Brassy color which leaves a black streak.

White, massive, coarse crystalline vein, Mohs’ hardness of 7.

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

Deep purple crystal clusters.