Liddicoatite and Sonolite Optical Properties

Liddicoatite

Sonolite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Strong: dark brown light brownAnthony et al

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

Not Available1.763-1.793

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

Transparent

TransparentAnthony et al

Liddicoatite and Sonolite Optic Character

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

Similar to their colors, Liddicoatite and Sonolite 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.