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Zincite
Zincite

Kyanite Cyprine
Kyanite Cyprine



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Zincite
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Kyanite Cyprine

Zincite and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Resinous
Vitreous
1.2 Pleochroism
Very weak
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
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Transparent
1.5 Refractive Index
2.013-2.0291.710-1.735
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.0160.012-0.033
Achroite
0 0.296
1.9 Clarity
TransparentRobert C. Kammerling
Transparent

Zincite and Kyanite Cyprine Optic Character

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

Zincite and Kyanite Cyprine Transparency

Similar to their colors, Zincite 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, Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling while Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling in appearance.