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Serpentine
Serpentine

Anthophyllite
Anthophyllite



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Serpentine
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Anthophyllite

Serpentine and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Silky
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
When Fe-rich
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.560-1.5711.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
monoclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.008-0.014Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Serpentine and Anthophyllite Optic Character

Serpentine and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Serpentine and Anthophyllite 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 Serpentine and Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Serpentine and Anthophyllite Transparency

Similar to their colors, Serpentine and Anthophyllite 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, Serpentine is Translucent while Serpentine is Translucent in appearance.