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Powellite
Powellite

Shattuckite
Shattuckite



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Powellite
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Shattuckite

Powellite and Shattuckite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Silky
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
X = very pale blue; Y = pale blue; Z = deep blue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.974-1.9841.752-1.815
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.063
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Powellite and Shattuckite Optic Character

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

Powellite and Shattuckite Transparency

Similar to their colors, Powellite and Shattuckite 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, Powellite is Transparent while Powellite is Transparent in appearance.