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Grossular
Grossular

Emerald
Emerald



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Grossular
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Emerald

Grossular and Emerald Optical Properties

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1 Optical Properties
1.1 Luster
Greasy, Vitreous
Vitreous
1.2 Pleochroism
None
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
0.020.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.730-1.7601.565-1.602
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Hexagonal
1.8 Birefringence
0.0200.0040-0.0070
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Color grading system

Grossular and Emerald Optic Character

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

Similar to their colors, Grossular and Emerald 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.