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Cobaltite
Cobaltite

Siderite
Siderite



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Cobaltite
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Siderite

Cobaltite and Siderite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Pearly
1.2 Pleochroism
Very weak
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gems
Transparent, Translucent
1.5 Refractive Index
Not Available
1.633-1.875
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
Trigonal
1.8 Birefringence
Not Available
0.242
1.9 Clarity
Gems
Transparent

Cobaltite and Siderite Optic Character

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

Cobaltite and Siderite Transparency

Similar to their colors, Cobaltite 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, Cobaltite is Gems while Cobaltite is Gems in appearance.