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Albite
Albite

Cordierite
Cordierite



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Albite
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Cordierite

Albite and Cordierite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Greasy, Vitreous

Pleochroism

colorless.
X = pale yellow

Dispersion

1.000.01
0.005 1
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Transparency

Transparent, Translucent
-

Refractive Index

1.525-1.542-9999
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.008-0.011-9999
0 0.296
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Clarity

Transparent
-

Albite and Cordierite Optic Character

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

Similar to their colors, Albite and Cordierite 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.