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Idocrase
Idocrase

Beryllonite
Beryllonite



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Idocrase
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Beryllonite

Idocrase and Beryllonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Adamantine, Pearly
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.67-1.761.552-1.562
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
Not Available0.009
Achroite
0 0.296
1.9 Clarity
Color grading system
TransparentUlrich Henn and Claudio C. Milisenda

Idocrase and Beryllonite Optic Character

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

Idocrase and Beryllonite Transparency

Similar to their colors, Idocrase 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, Idocrase is Not Available while Idocrase is Not Available in appearance.