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Astrophyllite
Astrophyllite
☒

Beryl
Beryl
☒



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Astrophyllite
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Beryl
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Pearly
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
0.12
Translucent
1.678-1.758
-
Triclinic
0.050
Translucent
 
Vitreous, Resinous
Weak to distinct
0.01
Transparent, Transparent to opaque
1.560-1.604
-
Hexagonal
0.0040-0.0070
Transparent

Compare Green Gemstones

Green Gemstones

Chalcopyrite
Chalcopyrite
Chlorapatite
Chlorapatite
Chlorastrolite
Chlorastrolite
Beryl
Augite
Beryl Vs Augite
Beryl
Axinite
Beryl Vs Axinite
Beryl
Baryte Barite
Beryl Vs Baryte Barite

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