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Astrophyllite
Astrophyllite

Chrysotile
Chrysotile



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Astrophyllite
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Chrysotile

Astrophyllite and Chrysotile Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Pearly
Silky
1.2 Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.678-1.7581.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Monoclinic : clinochrysotile (most common)
1.8 Birefringence
0.0500.001
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Astrophyllite and Chrysotile Optic Character

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

Astrophyllite and Chrysotile Transparency

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