quartz Pictures Search Results 171 to 180 of 1617
South Africa
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Switzerland
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Antelope Valley
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(STRA47) Quartz pebbles with mostly high roundness and moderate sphericity, Pennsylvanian Potsville Conglomerate, Scranton, PA
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E 39 Vinjefjorden
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Mjølnerudmoen
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Messina, South Africa
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Australia
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China
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Pakistan
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