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Feldspar
Feldspar

Pyrope Garnet
Pyrope Garnet



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Feldspar
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Pyrope Garnet

Feldspar and Pyrope Garnet Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
None
0.01
Transparent, Translucent
1.518-1.570
-
Triclinic or monoclinic
0.008-0.010
Transparent
 
Vitreous
-
0.03
Transparent, Translucent, Transparent to translucent
1.720-1.760
-
Isometric
-9999
Transparent to translucent

Feldspar and Pyrope Garnet Optic Character

Feldspar and Pyrope Garnet optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Feldspar Vs Pyrope Garnet 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 Feldspar and Pyrope Garnet 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.

Feldspar and Pyrope Garnet Transparency

Similar to their colors, Feldspar and Pyrope Garnet 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, Feldspar is while Feldspar is in appearance.