Stichtite and Omphacite Optical Properties

Stichtite

Omphacite

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1 Optical Properties

1.1 Luster

Waxy, Resinous

Vitreous

1.2 Pleochroism

Weak

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.516-1.5441.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.026Not Available

0 0.296

1.9 Clarity

Translucent

TranslucentAnthony et al

Stichtite and Omphacite Optic Character

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

Similar to their colors, Stichtite 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, Stichtite is Translucent while Stichtite is Translucent in appearance.