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Gems for Libra
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Optic Character


Clarity


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13 Gemstones Found
Gemstones
Dispersion
Refractive Index
Optic Character
Specific Gravity
Mohs Hardness
Talisman
Tourmaline
Tourmaline
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0.02
1.614-1.666
Not Available
2.85-3.35
7-7.5
Not Available
Sapphire
Sapphire
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0.02
1.762-1.788
Not Available
3.95-4.03
9
Not Available
Prehnite
Prehnite
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None
1.611-1.673
Not Available
2.80-2.95
6-6.5
Not Available
Prasiolite
Prasiolite
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0.01
1.544-1.553
Not Available
2.65
7
Not Available
Peridot
Peridot
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0.02
1.64-1.69
Not Available
1.54-1.55
6.5-7
Not Available
Opal
Opal
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None
1.37-1.52
Not Available
1.98-2.25
5-6.5
Not Available
Morganite
Morganite
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Not Available
1.573-1.600
Not Available
2.71-2.90
7.5-8
Not Available
Moonstone
Moonstone
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None
1.518-1.527
Not Available
2.56-2.60
6-6.5
Not Available
Lepidolite
Lepidolite
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Not Available
1.525-1.587
Not Available
2.80-2.90
2.5
Not Available
Kyanite
Kyanite
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Not Available
1.71-1.74
Not Available
3.53-3.65
4-7
Not Available
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