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Anorthite
Anorthite

Beryllonite
Beryllonite



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Anorthite and Beryllonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine, Pearly
1.2 Pleochroism
colorless.
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.01
Rank: 29 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.575-1.588
1.552-1.562
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
0.012-0.013
0.009
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Anorthite and Beryllonite Optic Character

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

Anorthite and Beryllonite Transparency

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