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Mellite
Mellite
☒

Pezzottaite
Pezzottaite
☒



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Mellite
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Pezzottaite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak: yellowish brown yellowAnthony et al
0.01
-
1.509-1.541
-
-
0.030
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous
Moderate dichroic
0.02
Transparent
1.598-1.620
-
Hexagonal
0.008-0.011
Transparent

Compare Brown Gemstones

Brown Gemstones

Chromite
Chromite
Radiolarite
Radiolarite
Kutnohorite
Kutnohorite
Pezzottaite
Sonolite
Pezzottaite Vs Sonolite
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Staurolite
Pezzottaite Vs Staurolite
Pezzottaite
Tantalite
Pezzottaite Vs Tantalite

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