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Blue spinel
Blue spinel

Hureaulite
Hureaulite



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Blue spinel
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Hureaulite

Blue spinel and Hureaulite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available1.647-1.667
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
1.8 Birefringence
Not Available0.012
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Blue spinel and Hureaulite Optic Character

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

Similar to their colors, Blue spinel and Hureaulite 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.