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The name derives from “cuprum
Dumortierite is an aluminum borosilicate mineral that varies in color from blue
Shiny and sparkling at the same time
Generally this material is used for transistors and heat sinks and only recently has been used for jewelry and healing
Famous malachite mines in the Ural mountains of Russia once produced 20 to ton blocks of the stone
Madagascar Green Dendritic Opal 8mm Round - 15-16 Inch 9mm The name derives from “cuprumThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.