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Smoky Quartz
Smoky Quartz

Howlite
Howlite



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Smoky Quartz
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Howlite

Smoky Quartz and Howlite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
NilArthur Thomas
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
1.544-1.5531.583-1.608
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.0090.019
Achroite
0 0.296
1.9 Clarity
Opaque
Gemmological Tables (2004) More from other references

Smoky Quartz and Howlite Optic Character

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

Similar to their colors, Smoky Quartz and Howlite 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.