Vanadinite and Omphacite Optical Properties

Vanadinite

Omphacite

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1 Optical Properties

1.1 Luster

Resinous

Vitreous

1.2 Pleochroism

Not Available

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

2.4161.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.066Not Available

0 0.296

1.9 Clarity

Not Available

TranslucentAnthony et al

Vanadinite and Omphacite Optic Character

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

Similar to their colors, Vanadinite 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, Vanadinite is Not Available while Vanadinite is Not Available in appearance.