Sonolite and Spodumene Optical Properties

Sonolite

Spodumene

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Strong in kunzite: α-purple

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Transparent

1.5 Refractive Index

1.763-1.7931.657-1.681

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

Not Available0.014-0.018

0 0.296

1.9 Clarity

TransparentAnthony et al

Gems

Sonolite and Spodumene Optic Character

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

Similar to their colors, Sonolite and Spodumene 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, Sonolite is Handbook of mineralogy (2001) and TransparentAnthony et al while Sonolite is Handbook of mineralogy (2001) and TransparentAnthony et al in appearance.