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Microcline
Microcline

Amblygonite
Amblygonite



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Microcline
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Amblygonite

Microcline and Amblygonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
weak to none

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.514-1.5391.578-1.646
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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

Birefringence

0.008-0.0100.020-0.030
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Microcline and Amblygonite Optic Character

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

Microcline and Amblygonite Transparency

Similar to their colors, Microcline and Amblygonite 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, Microcline is Translucent while Microcline is Translucent in appearance.