[ Top ] [ Japanese ]

Vivianite group

[ A²⁺₃ ][( X O₄)₂],8H₂O

• [ Ni ][ As ]: Annabergite
• [ Co ][ As ]: Erythrite
• [ Mg ][ As ]: Hörnesite, Hornesite
• [ Mn ][ As ]: Manganohörnesite, Manganohornesite
• [ Zn ][ As ]: Köttigite, Kottigite
• [ Fe ][ As ]: Parasymplesite
• [ Ni ][ P ]: Arupite
• [ Mg ][ P ]: Baricite
• [ Fe ][ P ]: Vivianite

• System: Monoclinic