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Anthophyllite
Anthophyllite

Ulexite
Ulexite



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Anthophyllite
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Ulexite

Anthophyllite and Ulexite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
When Fe-rich
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.603-1.690
1.491-1.520
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
Not Available
1.8 Birefringence
Not Available
0.029
1.9 Clarity
Transparent
Transparent

Anthophyllite and Ulexite Optic Character

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

Similar to their colors, Anthophyllite and Ulexite 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.