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Purpurite
Purpurite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Purpurite
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Vesuvianite Idocrase

Purpurite and Vesuvianite Idocrase Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
StrongArthur Thomas
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
Transparent
1.5 Refractive Index
1.85-1.921.700-1.725
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Uniaxial/-
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.0700.002-0.012
Achroite
0 0.296
1.9 Clarity
TranslucentWalter Schumann
Transparent

Purpurite and Vesuvianite Idocrase Optic Character

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

Purpurite and Vesuvianite Idocrase Transparency

Similar to their colors, Purpurite 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, Purpurite is Gemstones of the world (2001) More from other references and TranslucentWalter Schumann while Purpurite is Gemstones of the world (2001) More from other references and TranslucentWalter Schumann in appearance.