Sonolite and Faustite Optical Properties

Sonolite

Faustite

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1 Optical Properties

1.1 Luster

Vitreous

Waxy

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Translucent

1.5 Refractive Index

1.763-1.7931.612

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentAnthony et al

Translucent

Sonolite and Faustite Optic Character

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

Similar to their colors, Sonolite and Faustite 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.