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Fire Opal and Almandine Garnet Optical Properties


Almandine Garnet and Fire Opal Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Transparent, Translucent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.370-1.470   
1.780-1.810   

Optic Character
Not Available   
Not Available   

Crystal System
Amorphous   
Isometric   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Transparent to translucent   

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<< Physical Properties

Fire Opal and Almandine Garnet Optic Character

Fire Opal and Almandine Garnet optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fire Opal and Almandine Garnet 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 Fire Opal and Almandine Garnet 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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Fire Opal and Almandine Garnet Transparency

Similar to their colors, Fire Opal and Almandine Garnet 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, Fire Opal is Translucent and Transparent while Fire Opal is Translucent and Transparent in appearance.

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