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Augelite
Augelite

Beryllonite
Beryllonite



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Beryllonite

Augelite and Beryllonite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Adamantine, Pearly
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.570-1.5911.552-1.562
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
1.8 Birefringence
0.020-0.0210.009
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Augelite and Beryllonite Optic Character

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

Augelite and Beryllonite Transparency

Similar to their colors, Augelite 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, Augelite is Gemmological Tables (2004) More from other references while Augelite is Gemmological Tables (2004) More from other references in appearance.