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Titanite and Diaspore Optical Properties


Diaspore and Titanite Optical Properties


Optical Properties

Luster
Subadamantine, Resinous   
Pearly   

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

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.885-1.990   
1.702-1.750   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
0.105-0.135   
0.048   

Clarity
Not Available   
Transparent   

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Titanite and Diaspore Optic Character

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

Similar to their colors, Titanite and Diaspore 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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Green Gemstones


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