TOURMALINE(Ca,K,Na)(Al,Fe,Li,Mg,Mn)3(Al,Cr, Fe,V)6(BO3)3(Si,Al,B)6O18(OH,F)4Crystal: Trigonal. Cleavage: Good on {110} Hardness: 7 - 7.5 Sp.G.: 2.82 - 3.32 Fracture: Conchoidal, Uneven, Brittle Colour: Wide Range of Colours, Black Lustre: Vitreous, Resinous |
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| Stone of Encouragement The tourmaline mineral group is chemically one of the most complicated groups of silicate minerals. Its composition varies widely because of isomorphous replacement (solid solution). According to the Madras Tamil Lexicon the name ‘Tourmaline’ comes from the Sinhalese word "thoramalli" or "tōra- molli", which is applied to a group of gemstones found in Sri Lanka. The Dutch East India Company took vast quantities to Europe According to New Age Therapists Tourmaline will promote inspiration and happiness, reduce fear, and build self-confidence among its users. It banishes fears of becoming a victim. |
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for displaying and protecting your favourite minerals, gems, fossils, meteorites or other collectables. We also make mineral display stands and acrylic blocks. Crystal Showcase MINERAL DISPLAY BOXES MINERAL DISPLAY STANDS ACRYLIC BLOCKS MINERAL STORAGE BOXES MINERAL PRESENTATION DOMES GEM BOXES MAGNIFYING BOXES |
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