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Andradite
Andradite

Beryllonite
Beryllonite



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Andradite
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Beryllonite

Andradite and Beryllonite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Resinous
Vitreous, Adamantine, Pearly
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
0.060.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.88-1.941.552-1.562
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
monoclinic
1.8 Birefringence
0.0570.009
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Andradite and Beryllonite Optic Character

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

Andradite and Beryllonite Transparency

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