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Prase Opal and Phosphophyllite Optical Properties


Phosphophyllite and Prase Opal Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.370-1.470   
1.595-1.621   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
0.021   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Prase Opal and Phosphophyllite Optic Character

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

Similar to their colors, Prase Opal and Phosphophyllite 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, Prase Opal is Translucent and Transparent while Prase Opal is Translucent and Transparent in appearance.

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