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Narsarsukite
Narsarsukite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Narsarsukite
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Vesuvianite Idocrase

Narsarsukite and Vesuvianite Idocrase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.610-1.6471.700-1.725
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.0210.002-0.012
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Narsarsukite and Vesuvianite Idocrase Optic Character

Narsarsukite and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Narsarsukite and Vesuvianite 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 Narsarsukite and Vesuvianite 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. Vesuvianite Idocrase has Uniaxial/- character.

Narsarsukite and Vesuvianite Idocrase Transparency

Similar to their colors, Narsarsukite and Vesuvianite 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, Narsarsukite is Translucent and Transparent while Narsarsukite is Translucent and Transparent in appearance.