"VWR"

Coarse-grained plagioclase and pyroxene with some olivine.

Dark-green 'verde antique', containing some chlorite and calcite.

Classic, dark; from the Columbia Plateau.

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Isolated from human saliva, sputum, and intestine. No Lancefield group shown, alpha hemolysis.

Gray to brown mudstone with abundant silt.

Dark gray, with hornblende as the dominant mafic mineral.

Typical green-gray, fissile, clay-rich.

Well-cemented, medium-grained orthoquartzite.

Red-pigmented halophile from evaporating salt ponds; requires 25% salt medium, lyses easily in plain water, releasing DNA.

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

Gray-to-brown basaltic, with over 50% vesicles.

Never before has it been so easy to view microorganisms, including bacteria, fungi, and protists.

Brownish black, intermediate stage between peat and bituminous coal.

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Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.