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Sanidine
Sanidine

Adularia
Adularia



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Sanidine
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Adularia

Sanidine and Adularia Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
WeakMichael O’Donoghue
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentArthur Thomas, Gemstones (2009)
1.5 Refractive Index
1.518-1.5361.518-1.536
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.005-0.0080.005-0.008
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentArthur Thomas

Sanidine and Adularia Optic Character

Sanidine and Adularia optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sanidine and Adularia 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 Sanidine and Adularia 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.

Sanidine and Adularia Transparency

Similar to their colors, Sanidine and Adularia 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, Sanidine is Transparent while Sanidine is Transparent in appearance.