Home
Gemstones


Goethite and Kyanite Optical Properties


Kyanite and Goethite Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous, Pearly   

Pleochroism
VisibleArthur Thomas   
Trichroic   

Dispersion
Not Available   
Not Available   

Transparency
Gemstones (2009)   
Not Available   

Refractive Index
2.26-2.398   
1.71-1.74   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Triclinic   

Birefringence
0.138   
Not Available   

Clarity
Gemstones (2009)   
Color grading system   

Benefits >>
<< Physical Properties

Goethite and Kyanite Optic Character

Goethite and Kyanite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Goethite and Kyanite 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 Goethite and Kyanite 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 Brown Gemstones

Goethite and Kyanite Transparency

Similar to their colors, Goethite and Kyanite 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, Goethite is Gemstones (2009) while Goethite is Gemstones (2009) in appearance.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones