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Anorthoclase
Anorthoclase

Cobaltite
Cobaltite



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Anorthoclase
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Cobaltite

Anorthoclase and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
WeakMichael O’Donoghue
Very weak
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Gems
1.5 Refractive Index
1.518-1.534
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.006-0.008
Not Available
1.9 Clarity
Translucent
Gems

Anorthoclase and Cobaltite Optic Character

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

Anorthoclase and Cobaltite Transparency

Similar to their colors, Anorthoclase and Cobaltite 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, Anorthoclase is Translucent while Anorthoclase is Translucent in appearance.