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Titanite and Omphacite Optical Properties


Omphacite and Titanite Optical Properties


Optical Properties

Luster
Subadamantine, Resinous   
Vitreous   

Pleochroism
Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange   
Weak: colorless -- very pale green -- very pale green   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
TranslucentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.885-1.990   
1.662-1.723   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.105-0.135   
Not Available   

Clarity
Not Available   
TranslucentAnthony et al   

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Titanite and Omphacite Optic Character

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

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

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