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Anhydrite
Anhydrite

Kyanite
Kyanite



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Anhydrite
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Kyanite

Anhydrite and Kyanite Optical Properties

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1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous, Pearly
1.2 Pleochroism
For violet varieties
Trichroic
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.570-1.6141.71-1.74
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.042-0.044Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Anhydrite and Kyanite Optic Character

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

Anhydrite and Kyanite Transparency

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