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Dravite
Dravite
☒

Boleite
Boleite
☒



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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Very strong: pale yellow colorless
0.02
Transparent
1.614-1.666
-
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
0.014-0.032
Transparent
 
Vitreous, Pearly
-
0.07
Transparent
2.05
-
Isometric
0.010
Transparent

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Blue Gemstones

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Boleite Vs Fluorapatite
Boleite
Gadolinium Gallium Garnet
Boleite Vs Gadolinium Gallium...

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