Desert Sandstone - Mineral Specimen
Sandstone is a medium-grained clastic sedimentary rock composed of fragments of sand and is the consolidated equivalent of sand. The sand particles usually consist mostly of quartz, and the term sandstone, when used without qualification, indicates a rock containing more than about 80% quartz. This specimen was sourced in the deserts of Arizona, USA.
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125x115x60mm, 650g approx