Sonolite and Pezzottaite Optical Properties

Sonolite

Pezzottaite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Moderate dichroic

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Transparent

1.5 Refractive Index

1.763-1.7931.598-1.620

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

Not Available0.008-0.011

0 0.296

1.9 Clarity

TransparentAnthony et al

Transparent

Sonolite and Pezzottaite Optic Character

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

Similar to their colors, Sonolite and Pezzottaite 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.