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Verdite
Verdite

Polyhalite
Polyhalite



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Verdite
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Polyhalite

Verdite and Polyhalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Vitreous, Resinous
1.2 Pleochroism
Extreme
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.5801.546-1.548
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Triclinic
1.8 Birefringence
Not Available0.021
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Verdite and Polyhalite Optic Character

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

Verdite and Polyhalite Transparency

Similar to their colors, Verdite and Polyhalite 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, Verdite is Translucent while Verdite is Translucent in appearance.