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Prehnite
Prehnite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Prehnite
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Vesuvianite Idocrase

Prehnite and Vesuvianite Idocrase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.02
Rank: 20 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.611-1.673
1.700-1.725
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.021-0.033
0.002-0.012
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent

Prehnite and Vesuvianite Idocrase Optic Character

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

Prehnite and Vesuvianite Idocrase Transparency

Similar to their colors, Prehnite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.