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Feldspar
Feldspar

Smoky Quartz
Smoky Quartz



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Feldspar
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Smoky Quartz

Feldspar and Smoky Quartz Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
None
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.518-1.5701.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
Hexagonal
1.8 Birefringence
0.008-0.0100.009
Achroite
0 0.296
1.9 Clarity
Transparent
Opaque

Feldspar and Smoky Quartz Optic Character

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

Feldspar and Smoky Quartz Transparency

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