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Andradite Garnet
Andradite Garnet

Poldervaartite
Poldervaartite



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Andradite Garnet
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Poldervaartite

Andradite Garnet and Poldervaartite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Not Available
Weak: colorless light gray bluish grayAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Opaque, Transparent to opaque
Transparent
1.5 Refractive Index
1.888-1.8891.634-1.656
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent to opaque
Transparent

Andradite Garnet and Poldervaartite Optic Character

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

Similar to their colors, Andradite Garnet and Poldervaartite 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.