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Feldspar
Feldspar

Chromite
Chromite



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Feldspar
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Chromite

Feldspar and Chromite Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

None
none.

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.518-1.5702.08-2.16
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic or monoclinic
Isometric

Birefringence

0.008-0.010-9999
0 0.296
👆🏻

Clarity

Transparent
-

Feldspar and Chromite Optic Character

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

Feldspar and Chromite Transparency

Similar to their colors, Feldspar and Chromite 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, Feldspar is Transparent and Translucent while Feldspar is Transparent and Translucent in appearance.