Serpentine and Sinhalite Optical Properties

Serpentine

Sinhalite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Silky

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

1.3 Dispersion

None0.02

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.560-1.5711.665-1.712

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.008-0.0140.036-0.042

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Serpentine and Sinhalite Optic Character

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

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Serpentine and Sinhalite Transparency

Similar to their colors, Serpentine 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, Serpentine is Translucent while Serpentine is Translucent in appearance.