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White Opal
White Opal

Bastnasite
Bastnasite



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White Opal
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Bastnasite

White Opal and Bastnasite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Faint
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.37-1.521.717-1.722
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.100
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

White Opal and Bastnasite Optic Character

White Opal and Bastnasite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the White Opal and Bastnasite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is White Opal and Bastnasite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

White Opal and Bastnasite Transparency

Similar to their colors, White Opal and Bastnasite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, White Opal is Translucent while White Opal is Translucent in appearance.