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Prehnite
Prehnite

Riesling Beryl
Riesling Beryl



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Prehnite
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Riesling Beryl

Prehnite and Riesling Beryl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Strongly dichroicMartin H. Read
1.3 Dispersion
None0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.611-1.6731.59
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.021-0.0330.004-0.010
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Not Available

Prehnite and Riesling Beryl Optic Character

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

Prehnite and Riesling Beryl Transparency

Similar to their colors, Prehnite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.