Supplier: Rough tourmaline, rough gemstones, tourmaline
Rough Tourmalines
Supplier: Rough tourmaline, rough gemstones, tourmaline
Supplier: Rough tourmaline, rough gemstones, tourmaline
Supplier: Rough tourmaline, rough gemstones, tourmaline
We are offering an extraordinary and rare raw ParaÂba tourmaline weighing an impressive 3,005 carats (601 grams). This gemstone, renowned for its unique neon-blue to greenish hue, represents the epitome of exclusivity and rarity in the gemstone market. Details of the Gemstone: Quantity: 1 Gem Weight: 3,005 CTs (601g) Color: Neon blue, with greenish undertones Density: 3 - 3.2 g/cm³ Refractive Index: 1.614 - 1.666 Chemical Composition: Complex borosilicate with copper (Fe, Cu, Mn, Al, Si) Crystal Structure: Trigonal Luster: Vitreous Fracture: Uneven, conchoidal, typically elongated crystals with triangular sections and rounded faces, clear parallel striations Fluorescence: None Hardness: 7 - 7.5 on the Mohs scale Lapidation Type: Uncut, raw form Negotiable sale value GIA Certificate Appraised value after polishing: US$60,000,000.00 FOB Gem location: Sao Paulo, Brazil Payment methods: Letter of credit or debit card
Natural Tourmaline Gemstone
Tourmalin Brazilians Hight grade Various sizes and colors I have photos and videos
Offering Best Quality Bi Color Tourmaline and Rubylite Tourmalines
