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Shattuckite
Shattuckite

Purpurite
Purpurite



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Shattuckite
X
Purpurite

Shattuckite and Purpurite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Not Available
1.2 Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue
StrongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.752-1.8151.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0630.070
Achroite
0 0.296
1.9 Clarity
Translucent
TranslucentWalter Schumann

Shattuckite and Purpurite Optic Character

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

Shattuckite and Purpurite Transparency

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