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It is comprised of calcium and aluminum and is most commonly green but has been discovered in shades of yellow
they formed bubbles that were eventually with elements and minerals carried by groundwater
Rose Petals
& NaCa4(Si27Al9)O72·28(H2O)
Green Tourmaline in Quartz - Old Stock It is comprised of calciumThere 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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