×

Zoisite
Zoisite
☒

Bustamite
Bustamite
☒



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X
Zoisite
X
Bustamite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
0.02
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
1.685-1.707
-
Orthorhombic
0.006-0.018
Transparent
 
Vitreous
Weak
0.02
Transparent, Translucent
1.662-1.707
-
Triclinic
0.013-0.015
Transparent

Compare Brown Gemstones

Brown Gemstones

Vesuvianite
Vesuvianite
Vlasovite
Vlasovite
Jet lignite
Jet lignite
Bustamite
Chromite
Bustamite Vs Chromite
Bustamite
Radiolarite
Bustamite Vs Radiolarite
Bustamite
Kutnohorite
Bustamite Vs Kutnohorite

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