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Siderite
Siderite




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Optical Properties of Siderite

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1 Optical Properties
1.1 Luster
Pearly
1.2 Pleochroism
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
1.5 Refractive Index
1.633-1.875
1.6 Optic Character
Not Available
1.7 Crystal System
Trigonal
1.8 Birefringence
0.242
1.9 Clarity
Transparent

Siderite Luster

Optical Properties of Siderite are its behavioral responses towards light. While few optical properties can be identified with naked eyes, other require special instruments by the gemologists to identify them. Siderite optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.

Siderite luster is the quantity of light the crystal reflects when light is incident on it. Siderite which is commonly found in Yellow, Brown, gray, Greenish color, is Translucent and Transparent in nature. It possess Pearly luster.

Siderite Refractive Index

Optical properties of a Siderite crystal are responsive to the small changes in composition and strain within its crystalline structure. Absolute diligence is therefore necessary during cutting and polishing of the gemstone. All such optical properties are majorly influenced by Physical Properties of Siderite.

As we are well aware, refractive index is the phenomenon which is related to bending of light through a medium (crystal). It is used in qualitative analysis of gemstones by gemologists Besides, few gemstones exhibit property of dual refractive indices. This dual nature is known as Birefringence. The value of Siderite refractive index is 1.633-1.875. Birefringence value for this gem is 0.242. So if you are searching for prominent Yellow Gemstones, Siderite gem is something not miss on, since it has been a favorite pick in the gem wearing community.

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