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Obsidian is not a true mineral due to its lack of a crystalline structure
Locality: Uluguru Mountains
sometimes occurring on matrix or associated with other minerals like calcite
This piece has been cut into a lovely geometric freeform and is fully polished
75" Smoky Quartz with Rutile Tower
2.5" Quartz with Chrysocolla from Tentadora Mine TF3000 orange calcite Obsidian is not a true2. 5" Quartz with Chrysocolla from Tentadora Mine Approx. Dimensions: 2. 5x1. 25x1 inches Approx. Weight: 23. 8 grams Locality: Tentadora Mine, Huancavelica, Peru This specimen features a single, well formed quartz point coated in botryoidal chrysocolla from the Tentadora Mine in Peru, a locality known for producing some of the finest quartz and copper mineral combinations in the world. Chrysocolla is a hydrated copper silicate that forms in the
US$ 73.20
US$ 73.10
US$ 65.20