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Anthophyllite
Anthophyllite

Riesling Beryl
Riesling Beryl



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Anthophyllite
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Riesling Beryl

Anthophyllite and Riesling Beryl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
When Fe-rich
Strongly dichroicMartin H. Read
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.603-1.6901.59
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
Not Available
1.8 Birefringence
Not Available0.004-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Anthophyllite and Riesling Beryl Optic Character

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

Similar to their colors, Anthophyllite and Riesling Beryl 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.