Home
Gemstones


Hibonite and Malachite Optical Properties


Malachite and Hibonite Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine, Vitreous, Silky, Fibrous   

Pleochroism
O = brownish gray; E = gray   
Not Available   

Dispersion
Not Available   
None   

Transparency
Handbook of mineralogy (2001)   
Opaque   

Refractive Index
1.79-1.807   
1.655-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
monoclinic   

Birefringence
Not Available   
0.254   

Clarity
Handbook of mineralogy (2001)   
Gemmological Tables (2004) More from other references   

Benefits >>
<< Physical Properties

Hibonite and Malachite Optic Character

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

Hibonite and Malachite Transparency

Similar to their colors, Hibonite and Malachite 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, Hibonite is Handbook of mineralogy (2001) while Hibonite is Handbook of mineralogy (2001) in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones