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Siderite and Rock Crystal Optical Properties


Rock Crystal and Siderite Optical Properties


Optical Properties

Luster
Pearly   
Not Available   

Pleochroism
Not Available   
AbsentWalter Schumann   

Dispersion
Not Available   
0.01   
27

Transparency
Transparent, Translucent   
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   

Refractive Index
1.633-1.875   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.242   
0.009   

Clarity
Transparent   
TransparentWalter Schumann   

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Siderite and Rock Crystal Optic Character

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

Similar to their colors, Siderite and Rock Crystal 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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