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Selenite
Selenite

Hureaulite
Hureaulite



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Selenite
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Hureaulite

Selenite and Hureaulite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
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
Transparent
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
monoclinic
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
Transparent
Transparent

Selenite and Hureaulite Optic Character

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

Selenite and Hureaulite Transparency

Similar to their colors, Selenite 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, Selenite is Transparent while Selenite is Transparent in appearance.