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Anhydrite
Anhydrite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Anhydrite
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Vesuvianite Idocrase

Anhydrite and Vesuvianite Idocrase Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Not Available
1.2 Pleochroism
For violet varieties
Not Available
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
0.02
Rank: 20 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.570-1.614
1.700-1.725
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.042-0.044
0.002-0.012
1.9 Clarity
Transparent
Transparent

Anhydrite and Vesuvianite Idocrase Optic Character

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

Anhydrite and Vesuvianite Idocrase Transparency

Similar to their colors, Anhydrite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.