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Glaucophane
Glaucophane

Cavansite
Cavansite



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Glaucophane
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Cavansite

Glaucophane and Cavansite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

Strong
Visible: X=Z= colorless Y= blue

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.606-1.6371.542
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

-99990.009
0 0.296
👆🏻

Clarity

-
-

Glaucophane and Cavansite Optic Character

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

Glaucophane and Cavansite Transparency

Similar to their colors, Glaucophane and Cavansite 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, Glaucophane is while Glaucophane is in appearance.