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Anorthite
Anorthite

Anorthoclase
Anorthoclase



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Anorthite
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Anorthoclase

Anorthite and Anorthoclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
colorless.
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.575-1.5881.518-1.534
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
1.8 Birefringence
0.012-0.0130.006-0.008
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Anorthite and Anorthoclase Optic Character

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

Anorthite and Anorthoclase Transparency

Similar to their colors, Anorthite and Anorthoclase 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, Anorthite is Transparent while Anorthite is Transparent in appearance.