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Hureaulite
Hureaulite

Prasiolite
Prasiolite



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Hureaulite
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Prasiolite

Hureaulite and Prasiolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al
Very weak: light green pale greenWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.647-1.6671.544-1.553
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
Trigonal
1.8 Birefringence
0.0120.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Hureaulite and Prasiolite Optic Character

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

Similar to their colors, Hureaulite and Prasiolite 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.