Cavansite and Hibschite Optical Properties

Cavansite

Hibschite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Vitreous

1.2 Pleochroism

Visible: X=Z= colorless Y= blue

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Semitransparent

1.5 Refractive Index

1.542Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

Not Available

TranslucentAnthony et al

Cavansite and Hibschite Optic Character

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

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Cavansite and Hibschite Transparency

Similar to their colors, Cavansite and Hibschite 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, Cavansite is Not Available while Cavansite is Not Available in appearance.