Sinhalite and Zircon Optical Properties

Sinhalite

Zircon

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1 Optical Properties

1.1 Luster

Not Available

Adamantine

1.2 Pleochroism

Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

Weak

1.3 Dispersion

0.020.04

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent

1.5 Refractive Index

1.665-1.7121.810-2.024

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

tetragonal

1.8 Birefringence

0.036-0.0420.047-0.055

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Sinhalite and Zircon Optic Character

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

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