"WardsSci000444"

56 Résultats

Sort by

Calcite (Chalk)

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

Pure kaolinite powder, 200 mesh.

Clear to yellow translucent.

Exemplary display of hexoctahedral crystal shape.

Red, classic oolitic texture.

Brownish gray, translucent.

Black, Micaceous, glittery metallic.

Pyroxene group; gray-green, coarse crystalline.

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

Sort by

1 2 3