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Bastnasite
Bastnasite
☒

Boulder Opal
Boulder Opal
☒



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Bastnasite
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Boulder Opal
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy, Pearly
Faint
0.02
-
1.717-1.722
-
Hexagonal
0.100
TransparentUlrich Henn and Claudio C. Milisenda
 
-
-
0.01
Transparent, Translucent
1.370-1.470
-
-
-9999
Transparent

Compare Red Gemstones

Red Gemstones

Vanadinite
Vanadinite
Jacinth
Jacinth
Zebra Rock
Zebra Rock
Boulder Opal
Carnallite
Boulder Opal Vs Carnallite
Boulder Opal
Piemontite
Boulder Opal Vs Piemontite
Boulder Opal
Erythrite
Boulder Opal Vs Erythrite

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