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Phosphosiderite
Phosphosiderite



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Phosphosiderite

Powellite and Phosphosiderite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Vitreous
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
Pale rose-red carmine-red colorlessAnthony et al
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.974-1.984
1.692-1.739
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available
0.240
1.9 Clarity
Transparent
Transparent

Powellite and Phosphosiderite Optic Character

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

Similar to their colors, Powellite and Phosphosiderite 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.