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Phosphosiderite
Phosphosiderite

Variscite
Variscite



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Phosphosiderite
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Variscite

Phosphosiderite and Variscite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Waxy
1.2 Pleochroism
Pale rose-red carmine-red colorlessAnthony et al
MissingWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.692-1.7391.560-1.594
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.2400.031
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Phosphosiderite and Variscite Optic Character

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

Similar to their colors, Phosphosiderite and Variscite 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.