Home
Gemstones


Prehnite and Inderite Optical Properties


Inderite and Prehnite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly, Greasy   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004)   

Refractive Index
1.611-1.673   
1.488-1.505   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Orthorhombic   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   

Birefringence
0.021-0.033   
0.017   

Clarity
TranslucentHerve Nicolas Lazzarelli   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Prehnite and Inderite Optic Character

Prehnite and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Prehnite and Inderite 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 Prehnite and Inderite 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. Inderite has Biaxial/+ character.

Compare Gems for Libra

Prehnite and Inderite Transparency

Similar to their colors, Prehnite and Inderite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.

Libra Gems

Libra Gems

» More Libra Gems

Compare Gems for Libra

» More Compare Gems for Libra