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Hurlbutite and Iddingsite Optical Properties


Iddingsite and Hurlbutite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.595-1.604   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   
Orthorhombic   

Birefringence
0.009   
Not Available   

Clarity
Transparent   
Not Available   

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Hurlbutite and Iddingsite Optic Character

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

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Hurlbutite and Iddingsite Transparency

Similar to their colors, Hurlbutite and Iddingsite 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.

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