"WardsSci000444"

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

Exemplary display of hexoctahedral crystal shape.

Pure kaolinite powder, 200 mesh.

Clear to yellow translucent.

Amazonite

Red, classic oolitic texture.

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

Gemmy, sherry-colored crystals and sections approximately 3/8– 1/2"

Brownish gray, translucent.

Pyroxene group; gray-green, coarse crystalline.

Black, Micaceous, glittery metallic.

Classic “peacock” aluminum ore.

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

Calcite is a translucent calcium carbonate mineral, mohs hardness 3.

Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.

Sale

Pyroxene group; dark green, pure cleaved fragments.