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Sanidine
Sanidine

Esperite
Esperite



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Sanidine
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Esperite

Sanidine and Esperite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
WeakMichael O’Donoghue
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
OpaqueAnthony et al, Opaque, Transparent
1.5 Refractive Index
1.518-1.5361.760-1.774
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.005-0.0080.012
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueAnthony et al

Sanidine and Esperite Optic Character

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

Similar to their colors, Sanidine and Esperite 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.