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Gedrite
Gedrite

Andradite
Andradite



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Gedrite
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Andradite

Gedrite and Andradite Optical Properties

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1 Optical Properties
1.1 Luster
Fibrous, Vitreous
Adamantine, Resinous
1.2 Pleochroism
Weak to moderate
Not Available
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.625-1.7181.88-1.94
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
cubic
1.8 Birefringence
Not Available0.057
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Gedrite and Andradite Optic Character

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

Gedrite and Andradite Transparency

Similar to their colors, Gedrite and Andradite 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, Gedrite is Transparent while Gedrite is Transparent in appearance.