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Chrysotile
Chrysotile

Foitite
Foitite



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Chrysotile
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Foitite

Chrysotile and Foitite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Vitreous
1.2 Pleochroism
Not Available
Strong: pale lavender dark blueAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentAnthony et al, Translucent
1.5 Refractive Index
1.530-1.575Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic : clinochrysotile (most common)
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
1.8 Birefringence
0.001Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentAnthony et al

Chrysotile and Foitite Optic Character

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

Chrysotile and Foitite Transparency

Similar to their colors, Chrysotile and Foitite 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, Chrysotile is Not Available while Chrysotile is Not Available in appearance.