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Anorthoclase
Anorthoclase

Andesine
Andesine



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Anorthoclase
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Andesine

Anorthoclase and Andesine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
WeakMichael O’Donoghue
colorless.
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.70
Rank: 2 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.518-1.534
1.543-1.564
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
Triclinic
1.8 Birefringence
0.006-0.008
0.007-0.011
1.9 Clarity
Translucent
Transparent

Anorthoclase and Andesine Optic Character

Anorthoclase and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anorthoclase and Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

Anorthoclase and Andesine Transparency

Similar to their colors, Anorthoclase and Andesine 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.