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ROUGH
ANDALUSITE
NATURAL
COLOR
Hardness 7.5 |
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Rough
Andalusite Crystal 67.40 cts. |
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18.83 cts. Oval
faceted
Andalusite after cutting |
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x |
Pieces: |
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1
Andalusite |
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x |
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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Rough |
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Weight: |
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67.40 Carat |
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Size: |
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--- |
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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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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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18.83
cts. faceted oval
Andalusite |
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Depth:6.8
mm.
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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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