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Hemimorphite and Siderite Optical Properties


Siderite and Hemimorphite Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Silky   
Pearly   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
0.02   
18
Not Available   

Transparency
Transparent, Translucent   
Transparent, Translucent   

Refractive Index
1.614-1.636   
1.633-1.875   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Trigonal   

Birefringence
0.022   
0.242   

Clarity
Transparent   
Transparent   

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Hemimorphite and Siderite Optic Character

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

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

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