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Anthophyllite
Anthophyllite

Kyanite Cyprine
Kyanite Cyprine



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Anthophyllite
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Kyanite Cyprine

Anthophyllite and Kyanite Cyprine Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
-
0.01
Transparent
1.603-1.690
Biaxial/+
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-9999
Transparent
 
Vitreous
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
0.02
Transparent
1.710-1.735
Biaxial/+
-
0.012-0.033
Transparent

Anthophyllite and Kyanite Cyprine Optic Character

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

Anthophyllite and Kyanite Cyprine Transparency

Similar to their colors, Anthophyllite and Kyanite Cyprine 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, Anthophyllite is while Anthophyllite is in appearance.