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Smoky Quartz
Smoky Quartz
☒

Umbalite
Umbalite
☒



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Smoky Quartz
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Umbalite

Smoky Quartz and Umbalite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
None
0.01
Transparent, Translucent, Transparent to translucent
1.544-1.553
-
Hexagonal
0.009
Opaque
 
-
-
0.02
TransparentGemdat.org
1.730-1.820
-
-
-9999
TransparentGemdat.org

Smoky Quartz and Umbalite Optic Character

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

Similar to their colors, Smoky Quartz and Umbalite 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 while Smoky Quartz is in appearance.