Spinel and Chambersite Optical Properties

Spinel

Chambersite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Absent

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.731.735-1.745

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Orthorhombic

1.8 Birefringence

Not Available0.012

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Spinel and Chambersite Optic Character

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

Similar to their colors, Spinel and Chambersite 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, Spinel is Translucent, Transparent and Transparent to translucent while Spinel is Translucent, Transparent and Transparent to translucent in appearance.