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Stone classification: Quartz

Wall Number Country State Sort descending Source Description
5LA27 Austria South Tyrol Red, spotted with white, medium grain, Porphyritic
5RB28 Austria South Tyrol reddish, white-spotted, medium grainquartz, Porphyritic
10LA35 United States Minnesota Duluth reddish-brown, fine grain, compact, porphyry
5RB34 United States Minnesota Lake Co. dull-red, fine grain, compact, porphyry
7LB23 United States North Carolina Charlotte white, dark-spotted, Leopard Rock, Porphyritic
6La19 United States Pennsylvania Pine Grove dull-red, coarse grainy, quartz porphyry
10RB49 United States Wisconsin Marquette dark gray, coarse grain, compact, Porphyritic
11RB40 United States Wisconsin Brandon nearly black, coarse grain, compact, Porphyritic