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Phosphosiderite
Phosphosiderite



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Phosphosiderite

Topaz and Phosphosiderite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak
Pale rose-red carmine-red colorlessAnthony et al
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.606-1.644
1.692-1.739
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.008-0.011
0.240
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Topaz and Phosphosiderite Optic Character

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

Topaz and Phosphosiderite Transparency

Similar to their colors, Topaz 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, Topaz is Transparent while Topaz is Transparent in appearance.