×

Staurolite
Staurolite
☒

Afghanite
Afghanite
☒



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X
Staurolite
X
Afghanite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Resinous
X = colorless; Y = pale yellow; Z = golden yellow
0.02
-
1.736-1.762
-
monoclinic
0.009-0.015
-
 
Vitreous
-
0.02
Transparent
1.523
-
Trigonal
0.006
Transparent

Compare Brown Gemstones

Brown Gemstones

Mottramite
Mottramite
Pyrrhotite
Pyrrhotite
Vesuvianite
Vesuvianite
Afghanite
Zoisite
Afghanite Vs Zoisite
Afghanite
Petrified Wood
Afghanite Vs Petrified Wood
Afghanite
Chromite
Afghanite Vs Chromite

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