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Phosphofibrite

(H₂O,K)₃.₅Fe³⁺₈(PO₄)₆(OH)₇(H₂O)₅

Monoclino heart IMA approved

Durezza Mohs4 (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 calcite (3)

องค์ประกอบ

Composizione (% in peso)

O

P

Fe

OOxygen69.3%
PPhosphorus22.0%
FeIron6.6%
HHydrogen2.2%

นิรุกติศาสตร์

ตั้งชื่อตาม phosphate(3−) ion.