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Anthophyllite
Anthophyllite

Pyrargyrite
Pyrargyrite



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Anthophyllite
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Pyrargyrite

Anthophyllite and Pyrargyrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Adamantine
1.2 Pleochroism
When Fe-rich
Distinct
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.603-1.6902.881-3.084
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
1.8 Birefringence
Not Available0.203
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Anthophyllite and Pyrargyrite Optic Character

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

Anthophyllite and Pyrargyrite Transparency

Similar to their colors, Anthophyllite and Pyrargyrite 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, Anthophyllite is Transparent while Anthophyllite is Transparent in appearance.