Échantillons minéraux

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

Classic “peacock” aluminum ore.

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

Great for geology hardness tests.

Yellow to orange crystal with a glassy luster and smooth, often transparent appearance.

Deep blue, massive, with nepheline; key feldspathoid.

A classroom set that covers the major types of coal.

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

White, fine, massive, opaque to slightly translucent.

Red, classic oolitic texture.