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Hydrogrossular
Hydrogrossular

Spessartine
Spessartine



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Hydrogrossular
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Spessartine

Hydrogrossular and Spessartine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.680-1.7121.789-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
Not Available0.027
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Hydrogrossular and Spessartine Optic Character

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

Hydrogrossular and Spessartine Transparency

Similar to their colors, Hydrogrossular and Spessartine 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, Hydrogrossular is Translucent while Hydrogrossular is Translucent in appearance.