Mineralape
Berthierine
Modris Baum·Public domain·Wikimedia

Berthierine

(Fe2⁺,Fe3⁺,Al)3(Si,Al)2O5(OH)4
root IMA grandfathered

Composizione

Composizione (% in peso)
Fe
O
Si
  • FeIron45.1%
  • OOxygen38.7%
  • SiSilicon15.1%
  • HHydrogen1.1%

Etimologia

Nome derivato da Pierre Berthier.

Chakra secondari