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Weight: 77 grams
Russia and was first described in 1978
What is the story behind the gem
Solid colors - White
Lava Stone (Scoria) Skull Carving TU3029 showroom Weight: 77 gramsLava 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
