Home
Gemstones


Goethite and Rock Crystal Optical Properties


Rock Crystal and Goethite Optical Properties


Optical Properties

Luster
Adamantine   
Not Available   

Pleochroism
VisibleArthur Thomas   
AbsentWalter Schumann   

Dispersion
Not Available   
0.01   
27

Transparency
Gemstones (2009)   
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   

Refractive Index
2.26-2.398   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
0.138   
0.009   

Clarity
Gemstones (2009)   
TransparentWalter Schumann   

Benefits >>
<< Physical Properties

Goethite and Rock Crystal Optic Character

Goethite and Rock Crystal optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Goethite and Rock Crystal 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 Rock Crystal 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 Rock Crystal Transparency

Similar to their colors, Goethite and Rock Crystal 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