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Anthophyllite
Anthophyllite

Fluorite
Fluorite



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Anthophyllite
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Fluorite

Anthophyllite and Fluorite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
When Fe-rich
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Achroite
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.603-1.6901.432-1.436
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
cubic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anthophyllite and Fluorite Optic Character

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

Similar to their colors, Anthophyllite and Fluorite 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.