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Beryllonite
Beryllonite

Falcons Eye
Falcons Eye



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Beryllonite
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Falcons Eye

Beryllonite and Falcons Eye Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Pearly
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemstones of the world (2001)
1.5 Refractive Index
1.552-1.5621.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemstones of the world (2001)

Beryllonite and Falcons Eye Optic Character

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

Beryllonite and Falcons Eye Transparency

Similar to their colors, Beryllonite and Falcons Eye 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, Beryllonite is Gemmological Tables (2004) More from other references while Beryllonite is Gemmological Tables (2004) More from other references in appearance.