"Classroom Mineral Specimens"

Himalayan mineral great for teaching and display.

Light gray, compact, hard, opaque, microcrystalline silica mineral.

Good grade, bronze-colored ore, massive.

Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

Nearly pure, green crystalline forsterite.

Dark brown to black; polycrystalline zinc ore.

Pure, bright yellow, Frasch sulfur.