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lustrous pyrite formations on the top layer of an interesting galena formation
in Jurassic limestone from about 160 million years ago
75x1x1 inches
Russia and was first described in 1978
Power supply: detachable USB to barrel plug (USB wall adapter not included)
Lava Stone (Scoria) Skull Carving TU3029 showroom lustrous pyrite formations on theLava Stone (Scoria) Skull Carving Approx. Dimensions: 5x3x4 inches Approx. Weight: 1099 grams Locality: Scoria, also called Lava Stone, is a very vesicular volcanic (igneous) rock that is typically dark colored. It may contain crystals called phenocrysts. Scoria is a low density rock but, unlike pumice, it will sink in water because its specific gravity is greater than 1. Scoria forms as part of a lava flow usually near the surface of the flow, or
