Home
Gemstones


Hemimorphite and Gahnite Optical Properties


Gahnite and Hemimorphite Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Silky   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
0.02   
18
Not Available   

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

Refractive Index
1.614-1.636   
1.790-1.818   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
cubic   

Birefringence
0.022   
Not Available   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Hemimorphite and Gahnite Optic Character

Hemimorphite and Gahnite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Hemimorphite and Gahnite 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 Hemimorphite and Gahnite 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 Green Gemstones

Hemimorphite and Gahnite Transparency

Similar to their colors, Hemimorphite and Gahnite 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, Hemimorphite is Translucent and Transparent while Hemimorphite is Translucent and Transparent in appearance.

Green Gemstones

Green Gemstones


Compare Green Gemstones