×
Dumortierite
☒
Apache Tear
☒
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Gemstones
Gems for Taurus
Gems for Gemini
Gems for Leo
Organic
Gems for Aries
Gems for Cancer
Gems for Libra
Gems for Capricorn
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X
Dumortierite
X
Apache Tear
Dumortierite
Apache Tear
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Optical Properties
Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
Vitreous
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
0.01
Translucent, Translucent to opaque
1.669-1.723
-
Orthorhombic
0.011-0.037
Translucent
-
-
0.01
-
-9999
-
-
-9999
-
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Garnet
Ruby
Tigers Eye
Peridot
Rhodochrosite
Sunstone
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Apache Tear Vs Peridot
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