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Hurlbutite
Hurlbutite

Witherite
Witherite



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Hurlbutite
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Witherite

Hurlbutite and Witherite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.595-1.6041.529-1.680
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: P 21/a
Not Available
1.8 Birefringence
0.0090.148
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Hurlbutite and Witherite Optic Character

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

Hurlbutite and Witherite Transparency

Similar to their colors, Hurlbutite and Witherite 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, Hurlbutite is Transparent while Hurlbutite is Transparent in appearance.