Cavansite and Antigorite Optical Properties

Cavansite

Antigorite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Waxy, Silky, Resinous, Greasy

1.2 Pleochroism

Visible: X=Z= colorless Y= blue

pale greenish yellow.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Translucent

1.5 Refractive Index

1.5421.530-1.575

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Monoclinic Domatic H-M Symbol (m) Space Group: Cm

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

Not Available

Translucent

Cavansite and Antigorite Optic Character

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

Similar to their colors, Cavansite and Antigorite 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.