Ferri-winchite

☐(NaCa)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂

Monoclino root IMA redefined

Durezza Mohs5.5 (graffiata dall'acciaio)

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)

นิรุกติศาสตร์

ตั้งชื่อตาม winchite rootname series.