- aenigmatite, ilmenite, and
sodic amphibole (often
arfvedsonite or
ferrorichterite).
North America Mount Edziza volcanic complex,
northwestern British...
-
replaces the
magnesium within the
structure of the mineral, it is
called ferrorichterite; if
fluorine replaces the hydroxyl, it is
called fluororichterite....
- [296] [no] [no] Ferro-richterite [Na-Ca-amphibole: IMA2012 s.p.,
ferrorichterite (IMA1997 s.p.), 1946 Rd] 9.DE.20 [297] [298] [299] Ferrorockbridgeite...
- Na[CaNa][(Fe2+)5][(OH)2|Si8O22] (1946, IMA 1997 s.p. Rd, IMA 2012 s.p. Rd Rn from
ferrorichterite), fluoro-richterite Na(CaNa)Mg5[Si8O22]F2 (IMA 1992-020, IMA 2012 s...
