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Tourmalin Brazilians
Hight grade
Various sizes and colors

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We are offering an extraordinary and rare raw Para­ba 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

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