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Verdite
Verdite

Sinhalite
Sinhalite



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Verdite and Sinhalite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Silky
Not Available
1.2 Pleochroism
Extreme
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 21 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.580
1.665-1.712
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Orthorhombic
1.8 Birefringence
Not Available
0.036-0.042
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Verdite and Sinhalite Optic Character

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

Verdite and Sinhalite Transparency

Similar to their colors, Verdite and Sinhalite 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, Verdite is Translucent while Verdite is Translucent in appearance.