×

Riesling Beryl
Riesling Beryl

Grandidierite
Grandidierite



ADD
Compare
X
Riesling Beryl
X
Grandidierite

Riesling Beryl and Grandidierite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Strongly dichroicMartin H. Read
visible
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.591.578-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.004-0.0100.037-0.039
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Riesling Beryl and Grandidierite Optic Character

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

Riesling Beryl and Grandidierite Transparency

Similar to their colors, Riesling Beryl and Grandidierite 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, Riesling Beryl is Not Available while Riesling Beryl is Not Available in appearance.