Exemplaires de Phosphosidérite dans des boîtes de 5x5cm.
Origine: Pérou
Taille des pièces: environ 4-5 cm.
SET DE 35 UNITÉS.
Phosphosiderite is a rare hydrated iron phosphate that is very scarce in nature. Its formula is FePO?·2H?O. Its hardness is 3.5–4 on the Mohs scale.
