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Baryte
Baryte

Purpurite
Purpurite



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Baryte
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Purpurite

Baryte and Purpurite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Not Available
StrongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.634-1.6371.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
Not Available0.070
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentWalter Schumann

Baryte and Purpurite Optic Character

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

Baryte and Purpurite Transparency

Similar to their colors, Baryte and Purpurite 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, Baryte is Not Available while Baryte is Not Available in appearance.