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Druzy
Druzy

Erythrite
Erythrite



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Druzy
X
Erythrite

Druzy and Erythrite Optical Properties

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Optical Properties

Luster

-
Subadamantine, Pearly

Pleochroism

-
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Dispersion

0.010.03
0.005 1
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Transparency

Opaque
-

Refractive Index

-99991.626-1.629
1 3.25
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Optic Character

-
-

Crystal System

Isometric
monoclinic

Birefringence

-9999-9999
0 0.296
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Clarity

Opaque
-

Druzy and Erythrite Optic Character

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

Similar to their colors, Druzy and Erythrite 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.