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Ludlamite
Ludlamite

Smoky Quartz
Smoky Quartz



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Ludlamite
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Smoky Quartz

Ludlamite and Smoky Quartz Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
None

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.653-1.6931.544-1.553
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

0.038-0.0440.009
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Opaque

Ludlamite and Smoky Quartz Optic Character

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

Ludlamite and Smoky Quartz Transparency

Similar to their colors, Ludlamite 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, Ludlamite is while Ludlamite is in appearance.