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Kyanite
Kyanite

Calcite
Calcite



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Kyanite
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Calcite

Kyanite and Calcite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
Trichroic
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.71-1.74
1.486-1.658
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Trigonal
1.8 Birefringence
Not Available
0.154-0.174
1.9 Clarity
Color grading system
Transparent

Kyanite and Calcite Optic Character

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

Similar to their colors, Kyanite and Calcite 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, Kyanite is Not Available while Kyanite is Not Available in appearance.

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