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Powellite
Powellite

Larimar
Larimar



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Powellite
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Larimar

Powellite and Larimar Optical Properties

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1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Not Available
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.974-1.9841.595-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.032-0.038
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004)

Powellite and Larimar Optic Character

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

Similar to their colors, Powellite and Larimar 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.