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Calcite is found all over the world in a wide variety of colors
& NaCa4(Si27Al9)O72·28(H2O)
This is an amazing specimen of fibrous malachite
2% of all discovered
Green Tourmaline in Quartz - Old Stock Calcite is found all overThere are many, many collectors and mineral enthusiasts who focus solely on the world of tourmaline. With so many different species and locations from all around the world, it is almost a requirement to have some specimen of tourmaline in your collection. Why not start off with a beautiful dark green from Brazil? Size: 2. 7 x 1. 7 x 1. 6 in. Weight: 4. 5 oz Chemical Formula: XY3Z6B3Si6(O,OH)30(OH,F) Location: Brazil Tourmaline is a boron silicate
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