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Chockstone Forum - General Discussion

General Climbing Discussion

Topic Date User
buying boulders 24-Jun-2013 At 12:21:10 PM Snappy
Seeing as I am interested now:
Page 2.

Granite: Dry density: 2.53 2.62 Porosity:1.02 2.87%
Rhyolite: Dry density:2.40 2.60 Porosity:0.40 4.00%
Sandstone: Dry density: 1.91 2.58 Porosity:1.62 26.4%

Another way of looking at it that has nothing to do with geology: I have picked up small granite, rhyolite and sandstone blocks and found I could lift different sizes of each, ergo, different mass per volume

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