Tourmaline (elbaite) from Brazil

Tourmaline is the name of a group composed of complex lithium borosilicate minerals. Tourmalines have a crystal structure in which many elements can substitute for others. This results in a large group of species with a wide range of chemistry and appeara

Restrictions Only for United Kingdom

Arem Borosilicate Crystal Crystals Elbaite Fold Gemstone Lithium Mineralogy Minerals Ores Silicate Specimen Specimens Striations Symmetry Tourmaline Trigonal Zone Zoned Zoning

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