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Siderite
Siderite

Paraiba
Paraiba



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Siderite
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Paraiba

Siderite and Paraiba Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.633-1.8751.618-1.643
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.242Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Siderite and Paraiba Optic Character

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

Siderite and Paraiba Transparency

Similar to their colors, Siderite and Paraiba 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.