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Afghanite
Afghanite
☒

Purpurite
Purpurite
☒



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Afghanite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.02
Transparent
1.523
-
Trigonal
0.006
Transparent
 
-
StrongArthur Thomas
0.01
TranslucentWalter Schumann
1.85-1.92
-
Orthorhombic
0.070
TranslucentWalter Schumann

Compare Blue Gemstones

Blue Gemstones

Kainite
Kainite
Lawsonite
Lawsonite
Plumbogummite
Plumbogummite
Purpurite
Vishnevite
Purpurite Vs Vishnevite
Purpurite
Cavansite
Purpurite Vs Cavansite
Purpurite
Cordierite
Purpurite Vs Cordierite

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