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Sapphire
Sapphire

Pyrite Marcasite
Pyrite Marcasite



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Sapphire
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Pyrite Marcasite

Sapphire and Pyrite Marcasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Not Available
1.2 Pleochroism
Strong
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Opaque
1.5 Refractive Index
1.762-1.788
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.008-0.009
Not Available
1.9 Clarity
Transparent
Opaque

Sapphire and Pyrite Marcasite Optic Character

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

Sapphire and Pyrite Marcasite Transparency

Similar to their colors, Sapphire 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, Sapphire is Translucent, Transparent and Transparent to opaque while Sapphire is Translucent, Transparent and Transparent to opaque in appearance.