Bowenite and Cavansite Optical Properties

Bowenite

Cavansite

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Vitreous, Pearly

1.2 Pleochroism

Not Available

Visible: X=Z= colorless Y= blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

Not Available

1.5 Refractive Index

1.530-1.5751.542

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

Not Available0.009

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

Not Available

Bowenite and Cavansite Optic Character

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

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Bowenite and Cavansite Transparency

Similar to their colors, Bowenite 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, Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.