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Villiaumite
Villiaumite

Lizardite
Lizardite



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Villiaumite and Lizardite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Yellow to pink/deep carmineMichael O’Donoghue
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
TranslucentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.328-1.332
1.538-1.560
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentAnthony et al

Villiaumite and Lizardite Optic Character

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

Villiaumite and Lizardite Transparency

Similar to their colors, Villiaumite 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, Villiaumite is Gemmological Tables (2004) More from other references while Villiaumite is Gemmological Tables (2004) More from other references in appearance.