Sonolite and Povondraite Optical Properties

Sonolite

Povondraite

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1 Optical Properties

1.1 Luster

Vitreous

Resinous

1.2 Pleochroism

Not Available

Strong: yellow-brown

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Translucent

1.5 Refractive Index

1.763-1.793Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentAnthony et al

Translucent

Sonolite and Povondraite Optic Character

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

Similar to their colors, Sonolite and Povondraite 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.