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Product ID: |
807247390 |
Product Name: |
Tourmaline |
Weight: |
1.25 CT. |
Size: |
9.7 x 4.2 x 3 Mm. |
Shape: |
Octagon |
Color: |
Pink |
Clarity: |
VSI |
Luster: |
Good |
Origin: |
Nigeria |
Treatment:: |
Unheated |
Crystal Structure: |
Trigonal |
Hardness: |
7 - 7.5 |
Specific Gravity: |
3.0+ |
Refractive Index: |
1.62 - 1.68 |
Chemical: |
Na(Li,Al)3Al6(B03)3 Si6O18(OH)4 |
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