Garnet and Lizardite Optical Properties

Garnet

Lizardite

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine, Vitreous, Adamantine

Not Available

1.2 Pleochroism

None

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Transparent to translucent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.730-1.8951.538-1.560

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Garnet and Lizardite Optic Character

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

Similar to their colors, Garnet 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, Garnet is Transparent and Transparent to translucent while Garnet is Transparent and Transparent to translucent in appearance.