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Smoky Quartz
Smoky Quartz

Gahnite
Gahnite



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Smoky Quartz
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Gahnite

Smoky Quartz and Gahnite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.544-1.5531.790-1.818
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
cubic
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Opaque
TransparentUlrich Henn and Claudio C. Milisenda

Smoky Quartz and Gahnite Optic Character

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

Smoky Quartz and Gahnite Transparency

Similar to their colors, Smoky Quartz and Gahnite 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, Smoky Quartz is Translucent, Transparent and Transparent to translucent while Smoky Quartz is Translucent, Transparent and Transparent to translucent in appearance.