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Fire Opal
Fire Opal
☒

Hurlbutite
Hurlbutite
☒



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Fire Opal
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Hurlbutite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
Transparent, Translucent
1.370-1.470
-
-
-9999
Transparent
 
Vitreous
-
0.02
Transparent
1.595-1.604
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
0.009
Transparent

Compare Red Gemstones

Red Gemstones

Microlite
Microlite
Mimetite
Mimetite
Nepheline
Nepheline
Hurlbutite
Friedelite
Hurlbutite Vs Friedelite
Hurlbutite
Hexagonite
Hurlbutite Vs Hexagonite
Hurlbutite
Imperial Topaz
Hurlbutite Vs Imperial Topaz

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