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Anatase
Anatase

Powellite
Powellite



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Anatase
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Powellite

Anatase and Powellite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Greasy, Subadamantine
1.2 Pleochroism
Weak
In deeply colored specimens: blue greenAnthony et al
1.3 Dispersion
0.21NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
2.488-2.5621.974-1.984
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.073Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anatase and Powellite Optic Character

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

Anatase and Powellite Transparency

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