Classic, white chalk, massive; from Cliffs of Dover, England.
Pure kaolinite powder, 200 mesh.
Exemplary display of hexoctahedral crystal shape.
Clear to yellow translucent.
Amazonite
Red, classic oolitic texture.
Black, Micaceous, glittery metallic.
Brownish gray, translucent.
Pyroxene group; gray-green, coarse crystalline.
Classic “peacock” aluminum ore.
