"Gary K. Besonson"

Great for lab use.

We make your OpenSciEd adoption easy with these comprehensive kits designed by teachers and certified by OpenSciEd for guaranteed quality.

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Amphibole group; dark greenish black cleavages, somewhat columnar.

White, fine, massive, opaque to slightly translucent.

Teach your students about the complete metamorphosis of an insect with these mealworms.

Clear, pure cleavages, Mohs’ hardness of 2.

Bright blue crystalline veins and coatings in a matrix of mixed copper ore.

Feldspar group; calcium end member plagioclase crystals in pyroxene matrix.

Brown, fluorescent crystals intergrown in dolomite rock.

Pyroxene group; gray-green, coarse crystalline.

Gray andesite with phenocrysts of felspar and/or hornblende.

Accessories for Innovating Science® Acid, Caustic and Solvent Spill Kit

Spinel group; iron-black, massive; natural magnet.

A set of five slotted iron masses with hanger.

Set of 9 slotted masses with a hanger, made of powder-coated, die-cast zinc and stamped for easy identification.

Light gray, fine-grained, well-foliated, schistose.