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Feldspar
Feldspar

Almandine Garnet
Almandine Garnet



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Feldspar
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Almandine Garnet

Feldspar and Almandine Garnet Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.518-1.5701.780-1.810
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
Isometric
1.8 Birefringence
0.008-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to translucent

Feldspar and Almandine Garnet Optic Character

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

Similar to their colors, Feldspar and Almandine 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 Translucent and Transparent while Feldspar is Translucent and Transparent in appearance.