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Grossular Garnet
Grossular Garnet

Amblygonite
Amblygonite



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Grossular Garnet
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Amblygonite

Grossular Garnet and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Vitreous, Pearly
1.2 Pleochroism
Not Available
weak to none
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.738-1.745
1.578-1.646
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Isometric
Triclinic
1.8 Birefringence
Not Available
0.020-0.030
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Grossular Garnet and Amblygonite Optic Character

Grossular Garnet and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Grossular Garnet and Amblygonite 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 Amblygonite 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. Amblygonite has Biaxial/+ character.

Grossular Garnet and Amblygonite Transparency

Similar to their colors, Grossular Garnet and Amblygonite 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.

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