Bowenite and Omphacite Optical Properties

Bowenite

Omphacite

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Vitreous

1.2 Pleochroism

Not Available

Weak: colorless -- very pale green -- very pale green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.530-1.5751.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

TranslucentAnthony et al

Bowenite and Omphacite Optic Character

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

Similar to their colors, Bowenite and Omphacite 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.