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Prasiolite
Prasiolite

Demantoid Garnet
Demantoid Garnet



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Prasiolite
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Demantoid Garnet

Prasiolite and Demantoid Garnet Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.544-1.5531.88-1.89
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Prasiolite and Demantoid Garnet Optic Character

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

Prasiolite and Demantoid Garnet Transparency

Similar to their colors, Prasiolite and Demantoid Garnet 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, Prasiolite is Translucent and Transparent while Prasiolite is Translucent and Transparent in appearance.