Scapolite and Sinhalite Optical Properties

Scapolite

Sinhalite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

1.3 Dispersion

0.020.02

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.540-1.5791.665-1.712

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Orthorhombic

1.8 Birefringence

0.006-0.0370.036-0.042

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Scapolite and Sinhalite Optic Character

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

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