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Spinel
Spinel

Chromite
Chromite



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Spinel
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Chromite

Spinel and Chromite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Absent
none.
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Not Available
1.5 Refractive Index
1.732.08-2.16
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Spinel and Chromite Optic Character

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

Spinel and Chromite Transparency

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