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Siderite
Siderite

Phosphosiderite
Phosphosiderite



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Siderite
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Phosphosiderite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly
-
0.04
Transparent, Translucent
1.633-1.875
-
Trigonal
0.242
Transparent
 
Vitreous
Pale rose-red carmine-red colorlessAnthony et al
0.04
Transparent
1.692-1.739
-
-
0.240
Transparent