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Powellite
Powellite

Anglesite
Anglesite



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Anglesite

Powellite and Anglesite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Adamantine
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
NilArthur Thomas
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.974-1.9841.877-1.894
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.017
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Powellite and Anglesite Optic Character

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

Similar to their colors, Powellite and Anglesite 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.