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Almandine Garnet
Almandine Garnet

Calcite
Calcite



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Almandine Garnet
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Calcite

Almandine Garnet and Calcite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.02
Transparent, Translucent, Transparent to translucent
1.780-1.810
-
Isometric
-9999
Transparent to translucent
 
Vitreous, Pearly
-
0.15
Transparent, Translucent
1.486-1.658
-
Trigonal
0.154-0.174
Transparent

Almandine Garnet and Calcite Optic Character

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

Almandine Garnet and Calcite Transparency

Similar to their colors, Almandine Garnet and Calcite 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, Almandine Garnet is while Almandine Garnet is in appearance.