Category: Vivianite
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Vivianite
Vivianite is a hydrous iron phosphate with a hardness of 1.5 to 2. Its crystal system is monoclinic. Vivianite was named after J. G. Vivian. [...]
Vivianite is a hydrous iron phosphate with a hardness of 1.5 to 2. Its crystal system is monoclinic. Vivianite was named after J. G. Vivian. [...]