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Parisite
Parisite

Demantoid
Demantoid



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Parisite
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Demantoid

Parisite and Demantoid Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
1.5 Refractive Index
1.671-1.7711.880-1.890
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
cubic
1.8 Birefringence
0.099-0.100Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Parisite and Demantoid Optic Character

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

Parisite and Demantoid Transparency

Similar to their colors, Parisite and Demantoid 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, Parisite is Gemmological Tables (2004) More from other references while Parisite is Gemmological Tables (2004) More from other references in appearance.