Prase and Lizardite Optical Properties

Prase

Lizardite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.544-1.5531.538-1.560

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Prase and Lizardite Optic Character

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

Compare Blue Gemstones

Prase Vs Rubellite

Prase Vs Sapphire

Prase Vs Sanidine

Prase and Lizardite Transparency

Similar to their colors, Prase 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, Prase is Translucent and Transparent while Prase is Translucent and Transparent in appearance.