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RM1904   Vivianite
Fe²⁺Fe²⁺₂(PO₄)₂·8H₂O
  -  8. Phosphates, arsenates and vanadates

Group of very aesthetic vivianite crystals, forming rosettes, on a bivalve as a matrix, very visible. These specimens were found in levels of phosphorus ochres accompanied by other phosphates, east of the Crimean peninsula, in the well-known Kerch iron-ore deposits. Very curious.

Size: 7.3 x 6.6 x 4.2 cm.
Main crystal: 10 mm.
Classic locality
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