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Sanidine
Sanidine

Benitoite
Benitoite



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Sanidine
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Benitoite

Sanidine and Benitoite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
WeakMichael O’Donoghue
O = colorless; E = purple
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.518-1.5361.757-1.804
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
0.005-0.0080.047
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Sanidine and Benitoite Optic Character

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

Similar to their colors, Sanidine and Benitoite 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.