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Sapphirine and Boulder Opal Optical Properties


Boulder Opal and Sapphirine Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
0.02   
20
None   

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
1.701-1.724   
1.370-1.470   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.005-0.007   
Not Available   

Clarity
Transparent   
Transparent   

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<< Physical Properties

Sapphirine and Boulder Opal Optic Character

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

Similar to their colors, Sapphirine and Boulder Opal 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, Sapphirine is Transparent while Sapphirine is Transparent in appearance.

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Green Gemstones


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