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Sanidine
Sanidine

Pyrite Marcasite
Pyrite Marcasite



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Sanidine
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Pyrite Marcasite

Sanidine and Pyrite Marcasite Optical Properties

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
Opaque
1.5 Refractive Index
1.518-1.536Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
0.005-0.008Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Opaque

Sanidine and Pyrite Marcasite Optic Character

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

Similar to their colors, Sanidine and Pyrite Marcasite 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.