Mineralape
Tvrdýite
Henk Smeets – tomeikminerals.com·CC BY 4.0·Wikimedia

Tvrdýite

Fe2⁺Fe3⁺2Al3(PO4)4(OH)5(H2O)4·2H2O
Monoclino root IMA approved

Состав

Composizione (% in peso)
O
P
Fe
Al
  • OOxygen56.4%
  • PPhosphorus16.2%
  • FeIron14.6%
  • AlAluminium10.6%
  • HHydrogen2.2%

Этимология

Назван в честь Jaromír Tvrdý.