Home
Gemstones


Sard and Hackmanite Optical Properties


Hackmanite and Sard Optical Properties


Optical Properties

Luster
Waxy   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004)   

Refractive Index
1.535-1.539   
1.483-1.487   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.008-0.010   
Not Available   

Clarity
Translucent   
Transparent   

Benefits >>
<< Physical Properties

Sard and Hackmanite Optic Character

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

Sard and Hackmanite Transparency

Similar to their colors, Sard and Hackmanite 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, Sard is Translucent while Sard is Translucent in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones