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LOOSE RUBELLITE TOURMALINE NATURAL COLOR Hardness 7.5 |
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1.56 cts. Pink Rubellite oval Single
10.7 x 6.1 mm.
Very slightly included. Enhancement: none (N) Untreated
stone PRICE
SOLD
ORIGIN: Madagascar
ref:Tro156
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This is a virtual certificate compiled from the lab data for the gemstone being examined. Clarity is based on magnification |
under a 10X corrected loupe. All gemology performed by GGGems. Jean & Alain Darbellay guaranteeing that this stone |
is 100% natural. Prices and availability are subject to change without notice. |
Hardness: |
7 - 7.5 |
Specific Gravity: |
3.0+ |
Visual Catalog |
Refractive Index: |
1.62 - 1.68 |
Tourmaline data |
Chemical Composition: |
Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide |
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Crystal Structure: |
Trigonal |
{C}{C} {C}{C} Gem-O-Scope |
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