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Jeremejevite and Fayalite Optical Properties


Fayalite and Jeremejevite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Resinous   

Pleochroism
Colorless   
Faint   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
TransparentAnthony et al, Handbook of mineralogy (2001)   

Refractive Index
1.638-1.650   
1.827-1.879   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
0.0130   
0.042-0.051   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
TransparentAnthony et al   

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Jeremejevite and Fayalite Optic Character

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

Similar to their colors, Jeremejevite and Fayalite 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, Jeremejevite is Gemmological Tables (2004) More from other references while Jeremejevite is Gemmological Tables (2004) More from other references in appearance.

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