Melanite and Lizardite Optical Properties

Melanite

Lizardite

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1 Optical Properties

1.1 Luster

Subadamantine, Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

0.06NA

0.007 1

1.4 Transparency

Translucent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.855-1.8951.538-1.560

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

Translucent

TranslucentAnthony et al

Melanite and Lizardite Optic Character

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

Similar to their colors, Melanite 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, Melanite is Translucent while Melanite is Translucent in appearance.