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Grossular
Grossular

Charoite
Charoite



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Charoite

Grossular and Charoite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Pearly, Fibrous, Chatoyant
1.2 Pleochroism
None
NilArthur Thomas
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
1.730-1.7601.545-1.560
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Triclinic
1.8 Birefringence
0.0200.009
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Grossular and Charoite Optic Character

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

Grossular and Charoite Transparency

Similar to their colors, Grossular and Charoite 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, Grossular is Gemmological Tables (2004) More from other references while Grossular is Gemmological Tables (2004) More from other references in appearance.