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SAPPHIRE MINERAL
NATURAL COLOR
Hardness
9 |
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14
gr. Nice
blue Sapphire crystal single( triangles on the
heads ) Slightly damaged at a border
18.5 x 18.7 x 15 mm.
Opaque.
ORIGIN:
Madagascar
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USD 95.00
ref: SAPbrAN14g
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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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question |
Crystal
Structure: |
Trigonal |
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