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Almandine
Almandine

Microcline
Microcline



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Almandine
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Microcline

Almandine and Microcline Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.770-1.8201.514-1.539
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.008-0.010
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Almandine and Microcline Optic Character

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

Almandine and Microcline Transparency

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