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Powellite
Powellite

Chlorapatite
Chlorapatite



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Powellite
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Chlorapatite

Powellite and Chlorapatite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Not Available
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
Weak to moderate; in pale colors.Anthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.974-1.9841.665-1.667
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Powellite and Chlorapatite Optic Character

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

Similar to their colors, Powellite and Chlorapatite 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.