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Almandine
Almandine

Andradite Garnet
Andradite Garnet



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Almandine
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Andradite Garnet

Almandine and Andradite Garnet Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Adamantine
1.2 Pleochroism
None
Not Available
1.3 Dispersion
0.03NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Opaque, Transparent to opaque
1.5 Refractive Index
1.770-1.8201.888-1.889
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent to opaque

Almandine and Andradite Garnet Optic Character

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

Almandine and Andradite Garnet Transparency

Similar to their colors, Almandine and Andradite Garnet 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, Almandine is Gemmological Tables (2004) More from other references while Almandine is Gemmological Tables (2004) More from other references in appearance.