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Williamsite
Williamsite

Kyanite Cyprine
Kyanite Cyprine



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Williamsite
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Kyanite Cyprine

Williamsite and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Silky, Resinous, Greasy
Vitreous
1.2 Pleochroism
Not Available
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Transparent
1.5 Refractive Index
1.530-1.5751.710-1.735
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.012-0.033
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent

Williamsite and Kyanite Cyprine Optic Character

Williamsite and Kyanite Cyprine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Williamsite and Kyanite Cyprine 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 Williamsite 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. Kyanite Cyprine has Biaxial/+ character.

Williamsite and Kyanite Cyprine Transparency

Similar to their colors, Williamsite 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, Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Williamsite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.