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Hureaulite
Hureaulite

Amethyst
Amethyst



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Hureaulite
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Amethyst

Hureaulite and Amethyst 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
None
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Transparent to 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 Amethyst Optic Character

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

Similar to their colors, Hureaulite and Amethyst 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.