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Citrine
Citrine

Kyanite Cyprine
Kyanite Cyprine



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Citrine
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Kyanite Cyprine

Citrine and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Natural: weak; yellow light yellow.
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
0.02
Rank: 18 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.544-1.553
1.710-1.735
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.009
0.012-0.033
1.9 Clarity
Transparent
Transparent

Citrine and Kyanite Cyprine Optic Character

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

Citrine and Kyanite Cyprine Transparency

Similar to their colors, Citrine 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, Citrine is Transparent while Citrine is Transparent in appearance.