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Blue spinel
Blue spinel

Pyroxmangite
Pyroxmangite



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Blue spinel
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Pyroxmangite

Blue spinel and Pyroxmangite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.735-1.756
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.017-0.019
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Blue spinel and Pyroxmangite Optic Character

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

Blue spinel and Pyroxmangite Transparency

Similar to their colors, Blue spinel and Pyroxmangite 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, Blue spinel is Not Available while Blue spinel is Not Available in appearance.