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Sulphur
Sulphur

Sinhalite
Sinhalite



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Sulphur
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Sinhalite

Sulphur and Sinhalite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.958-2.2451.665-1.712
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.2910.036-0.042
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda

Sulphur and Sinhalite Optic Character

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

Sulphur and Sinhalite Transparency

Similar to their colors, Sulphur 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, Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann while Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.