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Diaspore
Diaspore

Beryllonite
Beryllonite



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Beryllonite

Diaspore and Beryllonite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Adamantine, Pearly
1.2 Pleochroism
Strong
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
1.702-1.7501.552-1.562
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.0480.009
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Diaspore and Beryllonite Optic Character

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

Diaspore and Beryllonite Transparency

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