Certificate: I.G.E. (Instituto Gemólogico Español). Nº 9118 1897 3469 Full report .
Sealed in a luxury collector’s methacrylate box.
Item description: one loose stone
Species: Tourmaline, natural
Variety: Paraiba Tourmaline*
*Paraiba Tourmaline is a gem variety of Cu and Mn – bearing tourmaline that may come from different localities.
Weight: 1.24 carats
Cutting Style: Modified Brilliant Cut
Color: Greenish Blue
Color Grade: A / Color code: vstgB (19) 2/2
Measurements: 8.29 x 6.34 x 3.04 mm
Clarity: slightly included
Origin: Africa. The country of origin is a seller’s opinion.
Treatment: No indications of treatment have been found. Paraiba tourmaline can be heated to improve its color. Whether or not this gemstone has been enhanced by heating cannot currently be detected.
Hardness: 7-7.5 Mohs scale
Refractive index: 1.622-1640
Comments: This copper and manganese bearing tourmaline may be called "Paraìba tourmaline" in the trade.
Internal Reference: DVGMCW187
Shipping method: It will be well packaged and registered shipping via Correos. Any extra expenses due to your country's customs office will be responsibility for the buyer.
- Paraiba Tourmaline
- greutatea totală carate
- Oval amestecat tăiat
- I.G.E. Certificate
- Neon verzui albastru,
- No indication of treatments