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Andradite Garnet
Andradite Garnet

Prehnite
Prehnite



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Andradite Garnet
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Prehnite

Andradite Garnet and Prehnite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Opaque, Transparent to opaque
Translucent
1.5 Refractive Index
1.888-1.8891.611-1.673
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Orthorhombic
1.8 Birefringence
Not Available0.021-0.033
Achroite
0 0.296
1.9 Clarity
Transparent to opaque
TranslucentHerve Nicolas Lazzarelli

Andradite Garnet and Prehnite Optic Character

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

Andradite Garnet and Prehnite Transparency

Similar to their colors, Andradite Garnet and Prehnite 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, Andradite Garnet is Opaque, Transparent and Transparent to opaque while Andradite Garnet is Opaque, Transparent and Transparent to opaque in appearance.