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Stichtite and Siderite Optical Properties


Siderite and Stichtite Optical Properties


Optical Properties

Luster
Waxy, Resinous   
Pearly   

Pleochroism
Weak   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.516-1.544   
1.633-1.875   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Trigonal   

Birefringence
0.026   
0.242   

Clarity
Translucent   
Transparent   

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Stichtite and Siderite Optic Character

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

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

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