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Phosphosiderite
Phosphosiderite

Pleonaste
Pleonaste



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Phosphosiderite
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Pleonaste

Phosphosiderite and Pleonaste Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Pale rose-red carmine-red colorlessAnthony 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
1.692-1.7391.780
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.240Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004)

Phosphosiderite and Pleonaste Optic Character

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

Phosphosiderite and Pleonaste Transparency

Similar to their colors, Phosphosiderite and Pleonaste 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, Phosphosiderite is Transparent while Phosphosiderite is Transparent in appearance.