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Jeremejevite
Jeremejevite

Zinnwaldite
Zinnwaldite



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Jeremejevite
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Zinnwaldite

Jeremejevite and Zinnwaldite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly, Vitreous
1.2 Pleochroism
Colorless
Distinct
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.638-1.6501.565-1.625
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.01300.040-0.050
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Jeremejevite and Zinnwaldite Optic Character

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

Jeremejevite and Zinnwaldite Transparency

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