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GIA Certified Greenish Blue Cuprian Tourmaline
GIA report number 75785896
Variety: Copper and manganese bearing tourmaline (Cuprian Tourmaline)
Oval, Modified Brilliant Cut
16.82 x 12.71 x 9.54 mm
Treatment: No indication of treatments
Color Greenish Blue (Good quality color)
Transparency: Transparent (Loupe Clean to Flawless)
Comments: In the Trade, this Copper & Manganese bearing Tourmaline may be referred as 'Paraiba' Tourmaline.
Paraiba Tourmaline in this particular quality and size is considered to be very exclusive.
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- Tourmaline Cuprienne
- Poids total en carats
- Coupe & forme
- Taille brillant modifiée ovale
- Aucune indication des traitements
- Transparence / pureté
- Transparent (propre)