Lizardite and Melanite Optical Properties

Lizardite

Melanite

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1 Optical Properties

1.1 Luster

Not Available

Subadamantine, Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.06

0.007 1

1.4 Transparency

TranslucentAnthony et al, Handbook of mineralogy (2001)

Translucent

1.5 Refractive Index

1.538-1.5601.855-1.895

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

TranslucentAnthony et al

Translucent

Lizardite and Melanite Optic Character

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

Similar to their colors, Lizardite and Melanite 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, Lizardite is Handbook of mineralogy (2001) and TranslucentAnthony et al while Lizardite is Handbook of mineralogy (2001) and TranslucentAnthony et al in appearance.