Mineralape

Joesmithite

PbCa2(Mg3Fe3⁺2)(Be2Si6)O22(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)

องค์ประกอบ

Composizione (% in peso)
O
Pb
Si
Ca
Mg
  • OOxygen38.8%
  • PbLead21.0%
  • SiSilicon17.0%
  • CaCalcium8.1%
  • MgMagnesium7.4%
  • FeIron5.6%
  • BeBeryllium1.8%
  • HHydrogen0.2%

นิรุกติศาสตร์

ตั้งชื่อตาม Joseph Victor Smith.