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Prasiolite
Prasiolite

Anhydrite
Anhydrite



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Prasiolite
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Anhydrite

Prasiolite and Anhydrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly, Greasy
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
For violet varieties
1.3 Dispersion
0.010.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.544-1.5531.570-1.614
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.0090.042-0.044
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Prasiolite and Anhydrite Optic Character

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

Prasiolite and Anhydrite Transparency

Similar to their colors, Prasiolite and Anhydrite 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, Prasiolite is Translucent and Transparent while Prasiolite is Translucent and Transparent in appearance.