Home
Gemstones


Eosphorite and Beryllonite Optical Properties


Beryllonite and Eosphorite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Vitreous, Adamantine, Pearly   

Pleochroism
Visible: X = yellow; Y = pink; Z = pale pink to colorless   
AbsentWalter Schumann   

Dispersion
Not Available   
0.01   
29

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.639-1.672   
1.552-1.562   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.029-0.032   
0.009   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Eosphorite and Beryllonite Optic Character

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

Compare Yellow Gemstones

Eosphorite and Beryllonite Transparency

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

Yellow Gemstones

Yellow Gemstones


Compare Yellow Gemstones