Sonolite and Sunstone Optical Properties

Sonolite

Sunstone

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Weak or absentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.763-1.7931.53-1.55

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Triclinic

1.8 Birefringence

Not Available0.007-0.010

0 0.296

1.9 Clarity

TransparentAnthony et al

Transparent to translucent

Sonolite and Sunstone Optic Character

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

Similar to their colors, Sonolite and Sunstone 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.