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Antigorite
Antigorite

Grossular
Grossular



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Antigorite
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Grossular

Antigorite and Grossular Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Silky, Resinous, Greasy
Greasy, Vitreous
1.2 Pleochroism
pale greenish yellow.
None
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.530-1.5751.730-1.760
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
cubic
1.8 Birefringence
Not Available0.020
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Antigorite and Grossular Optic Character

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

Antigorite and Grossular Transparency

Similar to their colors, Antigorite and Grossular 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, Antigorite is Translucent while Antigorite is Translucent in appearance.