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Albite
Albite

Spinel
Spinel



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Albite
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Spinel

Albite and Spinel Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

colorless.
Absent

Dispersion

1.000.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.525-1.5421.73
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
Isometric

Birefringence

0.008-0.011-9999
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Albite and Spinel Optic Character

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

Albite and Spinel Transparency

Similar to their colors, Albite and Spinel 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, Albite is Transparent and Translucent while Albite is Transparent and Translucent in appearance.