Home
Gemstones


Apache Tear and Powellite Optical Properties


Powellite and Apache Tear Optical Properties


Optical Properties

Luster
Not Available   
Greasy, Subadamantine   

Pleochroism
Not Available   
In deeply colored specimens: blue greenAnthony et al   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
Not Available   
1.974-1.984   

Optic Character
Not Available   
Not Available   

Crystal System
Amorphous   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Transparent   

Benefits >>
<< Physical Properties

Apache Tear and Powellite Optic Character

Apache Tear and Powellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Apache Tear and Powellite 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 Apache Tear and Powellite 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.

Compare Gems for Capricorn

Apache Tear and Powellite Transparency

Similar to their colors, Apache Tear and Powellite 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, Apache Tear is Not Available while Apache Tear is Not Available in appearance.

Capricorn Gems

Capricorn Gems

» More Capricorn Gems

Compare Gems for Capricorn

» More Compare Gems for Capricorn