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Hureaulite
Hureaulite

Blue spinel
Blue spinel



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Hureaulite
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Blue spinel

Hureaulite and Blue spinel Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.647-1.667Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Not Available
1.8 Birefringence
0.012Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Hureaulite and Blue spinel Optic Character

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

Hureaulite and Blue spinel Transparency

Similar to their colors, Hureaulite and Blue spinel 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, Hureaulite is Transparent while Hureaulite is Transparent in appearance.