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SAPPHIRE MINERAL
NATURAL
COLOR
Hardness
9 |
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13.49 cts. Nice
blue Sapphire crystal single
12.5 x 11.5 x 8.5 mm.
Enhancement: none
(N)
stone PRICE
USD 55.00
ORIGIN: Madagascar
ref: SAAbr1349
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Hardness: |
9 |
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Specific
Gravity: |
3.9
- 4.1 |
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Refractive
Index: |
1.76
- 1.78 |
Corundum
data |
Chemical
Composition: |
Al2O3,
Aluminum Oxide |
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Crystal
Structure: |
Trigonal |
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