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Vishnevite
Vishnevite

Idocrase
Idocrase



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Vishnevite
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Idocrase

Vishnevite and Idocrase 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
Not Available
1.5 Refractive Index
1.490-1.5071.67-1.76
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
tetragonal
1.8 Birefringence
0.002-0.012Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Color grading system

Vishnevite and Idocrase Optic Character

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

Similar to their colors, Vishnevite and Idocrase 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.