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Bytownite
Bytownite

Anthophyllite
Anthophyllite



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Bytownite
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Anthophyllite

Bytownite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
colorless.
When Fe-rich
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.561-1.5831.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Triclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.010-0.011Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Bytownite and Anthophyllite Optic Character

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

Bytownite and Anthophyllite Transparency

Similar to their colors, Bytownite 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, Bytownite is Transparent while Bytownite is Transparent in appearance.