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Chlorastrolite
Chlorastrolite

Powellite
Powellite



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Chlorastrolite
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Powellite

Chlorastrolite and Powellite Optical Properties

1 Optical Properties
1.1 Luster
Chatoyant
Greasy, Subadamantine
1.2 Pleochroism
NilArthur Thomas
In deeply colored specimens: blue greenAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent
1.5 Refractive Index
1.71.974-1.984
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.010Not Available
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Chlorastrolite and Powellite Optic Character

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

Chlorastrolite and Powellite Transparency

Similar to their colors, Chlorastrolite 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, Chlorastrolite is Gems while Chlorastrolite is Gems in appearance.