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Grossular
Grossular

Lepidolite
Lepidolite



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Grossular
X
Lepidolite

Grossular and Lepidolite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Vitreous, Pearly
1.2 Pleochroism
None
X = almost colorless; Y = Z = pink
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.5 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.6 Refractive Index
1.730-1.7601.525-1.587
Agate Opal
1 3.25
1.7 Optic Character
Not Available
Not Available
1.8 Crystal System
cubic
Triclinic
1.9 Birefringence
0.0200.0290-0.0380
Achroite
0 0.296
1.13 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Grossular and Lepidolite Optic Character

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

Similar to their colors, Grossular and Lepidolite 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.