Sanidine and Hibschite Optical Properties

Sanidine

Hibschite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

WeakMichael OâDonoghue

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Semitransparent

1.5 Refractive Index

1.518-1.536Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d

1.8 Birefringence

0.005-0.008Not Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Sanidine and Hibschite Optic Character

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

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Sanidine and Hibschite Transparency

Similar to their colors, Sanidine and Hibschite 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.