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Phenakite
Phenakite

Chrysotile
Chrysotile



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Phenakite
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Chrysotile

Phenakite and Chrysotile Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Silky
1.2 Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.650-1.6951.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Monoclinic : clinochrysotile (most common)
1.8 Birefringence
0.0160.001
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Phenakite and Chrysotile Optic Character

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

Phenakite and Chrysotile Transparency

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