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Baddeleyite
Baddeleyite

Beryllonite
Beryllonite



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Baddeleyite
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Beryllonite

Baddeleyite and Beryllonite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Adamantine, Pearly
1.2 Pleochroism
DistinctArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.13-2.201.552-1.562
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/c
monoclinic
1.8 Birefringence
0.070.009
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Baddeleyite and Beryllonite Optic Character

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

Baddeleyite and Beryllonite Transparency

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