gemstone
Paraiba Tourmaline
Elbaite (Copper-bearing Na(Al1.5Li0.5)Al6(Si6O18)(BO3)3(OH,F)4)
AI-generated identification · may be incorrectHardness of 7-7.5 on the Mohs scale, vibrant neon-blue to greenish-blue color, vitreous luster, and trigonal crystal system with conchoidal fracture.
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Physical properties
Hardness of 7-7.5 on the Mohs scale, vibrant neon-blue to greenish-blue color, vitreous luster, and trigonal crystal system with conchoidal fracture.
Formation & geological history
Formed in pegmatites through hydrothermal activity where trace amounts of copper and manganese impart its unique vivid coloration.
Uses & applications
Extremely rare and valuable gemstone primarily used in high-end fine jewelry and collector investments.
Geological facts
First discovered in Brazil in 1989, Paraiba tourmalines are among the most expensive gemstones globally, often surpassing diamonds per carat.
Field identification & locations
Identified by its unmistakable neon electric blue shade and copper content; found primarily in Brazil, Nigeria, and Mozambique.
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