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Demantoid
Demantoid

Chrysocolla
Chrysocolla



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Demantoid
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Chrysocolla

Demantoid and Chrysocolla Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Greasy

Pleochroism

None
-

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

-
Opaque

Refractive Index

1.880-1.8901.460-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
monoclinic

Birefringence

-99990.023-0.050
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Demantoid and Chrysocolla Optic Character

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

Demantoid and Chrysocolla Transparency

Similar to their colors, Demantoid and Chrysocolla 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, Demantoid is while Demantoid is in appearance.