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Hurlbutite
Hurlbutite

Riesling Beryl
Riesling Beryl



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Hurlbutite
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Riesling Beryl

Hurlbutite and Riesling Beryl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
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
1.595-1.6041.59
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Not Available
1.8 Birefringence
0.0090.004-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Hurlbutite and Riesling Beryl Optic Character

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

Hurlbutite and Riesling Beryl Transparency

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