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LOOSE ANDALUSITE NATURAL COLOR Hardness 7.5 |
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18.83 cts. Oval Andalusite faceted single ( Very rare ) |
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x |
Pieces: |
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1 Andalusite |
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Type: |
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100% Natural |
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Color: |
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yellowish-brown-orange |
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Shape: |
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Oval |
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Weight: |
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18.83 Carat |
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Size: |
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19.9 x 13.2 x 11.4 mm |
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Clarity: |
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NFL |
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Luster: |
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Excellent |
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Treatment: |
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None (N) |
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Origin: |
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Madagascar |
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For collectors |
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Refr. Index: |
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1.629-1.648 |
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Hardness |
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7.5 |
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Depth:6.8 mm. |
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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. |
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RETURN TO »» ANDALUSITE |
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Hardness: |
7.5 |
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Specific Gravity: |
3.11 - 3.22 |
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Refractive Index: |
1.629 - 1.638 & 1.633 - 1.645 & 1.639 - 1.648 |
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Chemical Composition: |
Al2 (O¦SiO4) |
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Crystal Structure: |
Orthorombic |
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