Mineralape

Potassic-ferro-sadanagaite

KCa2(Fe2⁺3Al2)(Si5Al3)O22(OH)2
Monoclino root IMA redefined
Durezza Mohs6 (non graffia il vetro)
1. Talco
2. Gesso
3. Calcite
4. Fluorite
5. Apatite
6. Ortoclasio
7. Quarzo
8. Topazio
9. Corindone
10. Diamante
135710
Più duro di apatite (5)

التركيب

Composizione (% in peso)
O
Si
Al
Ca
Fe
  • OOxygen45.9%
  • SiSilicon16.8%
  • AlAluminium16.1%
  • CaCalcium9.6%
  • FeIron6.7%
  • KPotassium4.7%
  • HHydrogen0.2%

أصل التسمية

سُمّي تيمناً بـ iron.