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Oligoclase and Chlorapatite Optical Properties


Chlorapatite and Oligoclase Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
Weak to moderate; in pale colors.Anthony et al   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004)   
Transparent   

Refractive Index
1.538-1.550   
1.665-1.667   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.010   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Oligoclase and Chlorapatite Optic Character

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

Similar to their colors, Oligoclase and Chlorapatite 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, Oligoclase is Gemmological Tables (2004) while Oligoclase is Gemmological Tables (2004) in appearance.

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