gemstone
Paraiba Tourmaline
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
AI-generated identification · may be incorrectHardness of 7-7.5 on the Mohs scale, vivid neon blue-to-green color, vitreous luster, and trigonal crystal system with no distinct cleavage.
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Physical properties
Hardness of 7-7.5 on the Mohs scale, vivid neon blue-to-green color, vitreous luster, and trigonal crystal system with no distinct cleavage.
Formation & geological history
Formed in pegmatites enriched with copper and manganese during intense hydrothermal activity, often associated with tectonic metamorphism.
Uses & applications
Extremely rare and valued exclusively for high-end fine jewelry and collector investment.
Geological facts
First discovered in Brazil in 1989, its neon glow is caused by trace amounts of copper and manganese.
Field identification & locations
Identified by its trademark neon turquoise hue and copper luminescence; primarily sourced from Brazil, Nigeria, and Mozambique.
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