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Hureaulite
Hureaulite

Chalcedony
Chalcedony



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Hureaulite
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Chalcedony

Hureaulite and Chalcedony 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
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Translucent to opaque
1.5 Refractive Index
1.647-1.6671.530-1.543
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
0.0120.003-0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Hureaulite and Chalcedony Optic Character

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

Similar to their colors, Hureaulite and Chalcedony 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.