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White Opal
White Opal

Orthoclase
Orthoclase



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White Opal
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Orthoclase

White Opal and Orthoclase Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
colorless.
1.3 Dispersion
None0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.37-1.521.518-1.536
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.0050-0.0060
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

White Opal and Orthoclase Optic Character

White Opal and Orthoclase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the White Opal and Orthoclase 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 Orthoclase 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 Orthoclase Transparency

Similar to their colors, White Opal and Orthoclase 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.