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Andalusite
Andalusite

Riesling Beryl
Riesling Beryl



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Andalusite
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Riesling Beryl

Andalusite and Riesling Beryl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
strongly trichroic
Strongly dichroicMartin H. Read
1.3 Dispersion
0.020.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.627-1.6501.59
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.009-0.0100.004-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Andalusite and Riesling Beryl Optic Character

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

Andalusite and Riesling Beryl Transparency

Similar to their colors, Andalusite 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, Andalusite is Translucent and Transparent while Andalusite is Translucent and Transparent in appearance.