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Powellite
Powellite

Ammolite
Ammolite



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Powellite
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Ammolite

Powellite and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Silky, Vitreous
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.974-1.9841.520-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.135-0.145
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Powellite and Ammolite Optic Character

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

Similar to their colors, Powellite and Ammolite 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.