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Druzy
Druzy

Mellite
Mellite



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Druzy
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Mellite

Druzy and Mellite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
Opaque
-9999
-
Isometric
-9999
Opaque
 
Vitreous
Weak: yellowish brown yellowAnthony et al
0.01
-
1.509-1.541
-
-
0.030
TransparentUlrich Henn and Claudio C. Milisenda

Druzy and Mellite Optic Character

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

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