owl  

ATHENA

MINERALOGY

mlevy

Mineral: OLMSTEADITE
Formula: KFe2+2(Nb,Ta)(PO4)2O2.2H2O
Crystal System: Orthorhombic
IMA Number: 1974-034
References: AM 61 (1976), 5; HB4 (2000)
Type Locality: Hesnard, Custer, Custer Co. and Big Chief, Glendale, Pennington Co., South Dakota, USA

mlevy

[Mineral Search]     [Abbreviations]     [Pictures]     [Athena]

mlevy

Send comments on page to mail pp

Copyright © 1986, 1994, 2023 ATHENA - Pierre Perroud. All Rights Reserved.