Sard and Lizardite Optical Properties

Sard

Lizardite

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1 Optical Properties

1.1 Luster

Waxy

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.535-1.5391.538-1.560

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.008-0.010Not Available

0 0.296

1.9 Clarity

Translucent

TranslucentAnthony et al

Sard and Lizardite Optic Character

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

Similar to their colors, Sard and Lizardite 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, Sard is Translucent while Sard is Translucent in appearance.