Home
Gemstones


Anhydrite and Pleonaste Optical Properties


Pleonaste and Anhydrite Optical Properties


Optical Properties

Luster
Pearly, Greasy   
Not Available   

Pleochroism
For violet varieties   
Not Available   

Dispersion
0.01   
27
Not Available   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.570-1.614   
1.780   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.042-0.044   
Not Available   

Clarity
Transparent   
Gemmological Tables (2004)   

Benefits >>
<< Physical Properties

Anhydrite and Pleonaste Optic Character

Anhydrite and Pleonaste optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anhydrite and Pleonaste 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 Anhydrite and Pleonaste 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 Blue Gemstones

Anhydrite and Pleonaste Transparency

Similar to their colors, Anhydrite and Pleonaste 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones