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Engineering Laboratory

Materials and Structural Systems Division

Back to Stone Search

Stone classification: Diorite

Wall Number Country State Source Description
5RB32 United States Colorado Monarch greenish-gray, fine grain
6RA32 United States Texas El Paso light greenish-gray, medium grain
7RA40 United States Montana Helena gray, medium grain
8Lb19 United States Pennsylvania Reading black and white-spotted, coarse grain, slightly porous
9RA40 United States Wyoming Raw Hide Buttes nearly black, fine grain, compact
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