×

Rubellite
Rubellite

Beryllonite
Beryllonite



ADD
Compare
X
Rubellite
X
Beryllonite

Rubellite and Beryllonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Adamantine, Pearly
1.2 Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
AbsentWalter Schumann
1.3 Dispersion
0.020.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.614-1.6661.552-1.562
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.014-0.0400.009
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Rubellite and Beryllonite Optic Character

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

Rubellite and Beryllonite Transparency

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