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Enstatite and Spinel Optical Properties


Spinel and Enstatite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
Pale green to pale orange   
Absent   

Dispersion
Not Available   
0.02   
18

Transparency
Transparent, Translucent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.650-1.680   
1.73   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Isometric   

Birefringence
0.009-0.011   
Not Available   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Enstatite and Spinel Optic Character

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

Similar to their colors, Enstatite and Spinel 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, Enstatite is Translucent and Transparent while Enstatite is Translucent and Transparent in appearance.

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