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Druzy
Druzy

Willemite
Willemite



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Druzy
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Willemite

Druzy and Willemite Optical Properties

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Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
-

Dispersion

0.010.17
0.005 1
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Transparency

Opaque
Transparent, Translucent

Refractive Index

-99991.687-1.723
1 3.25
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Optic Character

-
-

Crystal System

Isometric
Trigonal

Birefringence

-99990.028-0.030
0 0.296
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Clarity

Opaque
Transparent

Druzy and Willemite Optic Character

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

Druzy and Willemite Transparency

Similar to their colors, Druzy and Willemite 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, Druzy is Opaque while Druzy is Opaque in appearance.