Rock Specimens

Dark gray with abundant gas pocket vesicles.

Gray, fine-grained, massive contact rock.

Earthy, porous calcareous tufa.

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

Gray to white, coarse crystalline, carbonate rock.

Buff-colored, coarse, detrital limestone, with cemented shell fragments.

A variety of colorful collections to introduce rocks, minerals and fossils.

Volcanic glass with snowflakes embedded throughout.

Grayish black trap rock.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.