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Vishnevite
Vishnevite

Milarite
Milarite



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Vishnevite
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Milarite

Vishnevite and Milarite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.490-1.5071.529-1.560
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.002-0.0120.000-0.011
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Vishnevite and Milarite Optic Character

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

Vishnevite and Milarite Transparency

Similar to their colors, Vishnevite and Milarite 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, Vishnevite is Not Available while Vishnevite is Not Available in appearance.