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Grossular Garnet
Grossular Garnet

Proustite
Proustite



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Grossular Garnet
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Proustite

Grossular Garnet and Proustite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Adamantine
1.2 Pleochroism
Not Available
Moderate; cochineal-red to blood-red
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
1.5 Refractive Index
1.738-1.745
2.792-3.087
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Trigonal
1.8 Birefringence
Not Available
0.295-0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Grossular Garnet and Proustite Optic Character

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

Similar to their colors, Grossular Garnet and Proustite 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 Garnet is Transparent while Grossular Garnet is Transparent in appearance.