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Friedelite and Titanite Optical Properties


Titanite and Friedelite Optical Properties


Optical Properties

Luster
Not Available   
Subadamantine, Resinous   

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

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Not Available   

Refractive Index
1.627-1.663   
1.885-1.990   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m   
monoclinic   

Birefringence
0.032-0.035   
0.105-0.135   

Clarity
Translucent   
Not Available   

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Friedelite and Titanite Optic Character

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

Similar to their colors, Friedelite and Titanite 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, Friedelite is Translucent while Friedelite is Translucent in appearance.

Red Gemstones

Red Gemstones


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