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Vishnevite
Vishnevite

Plumbogummite
Plumbogummite



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Vishnevite
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Plumbogummite

Vishnevite and Plumbogummite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Resinous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.490-1.5071.653-1.688
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.002-0.012Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Vishnevite and Plumbogummite Optic Character

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

Similar to their colors, Vishnevite and Plumbogummite 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.