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Anorthoclase
Anorthoclase

Hackmanite
Hackmanite



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Anorthoclase
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Hackmanite

Anorthoclase and Hackmanite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.518-1.5341.483-1.487
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic Pinacoidal H-M Symbol (1) Space Group: P1
-

Birefringence

0.006-0.008-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Anorthoclase and Hackmanite Optic Character

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

Similar to their colors, Anorthoclase and Hackmanite 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.