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Tinzenite and Siderite Optical Properties


Siderite and Tinzenite Optical Properties


Optical Properties

Luster
Vitreous   
Pearly   

Pleochroism
In thick sections   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
1.690-1.705   
1.633-1.875   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
Not Available   
0.242   

Clarity
Transparent   
Transparent   

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<< Physical Properties

Tinzenite and Siderite Optic Character

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

Similar to their colors, Tinzenite 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, Tinzenite is Transparent while Tinzenite is Transparent in appearance.

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