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Siderite and Moldavite Optical Properties


Moldavite and Siderite Optical Properties


Optical Properties

Luster
Pearly   
Vitreous   

Pleochroism
Not Available   
Absent   

Dispersion
Not Available   
None   

Transparency
Transparent, Translucent   
Transparent, Translucent   

Refractive Index
1.633-1.875   
1.48-1.54   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Amorphous   

Birefringence
0.242   
Not Available   

Clarity
Transparent   
Transparent   

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Siderite and Moldavite Optic Character

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

Similar to their colors, Siderite and Moldavite 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, Siderite is Translucent and Transparent while Siderite is Translucent and Transparent in appearance.

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