ATHENA MINERALOGY |
Mineral: | GONYERITE |
---|---|
Formula: | (Mn2+,Mg)5Fe3+(Si3Fe3+)O10(OH)8 |
Crystal System: | Orthorhombic (?) |
Group: | Chlorite group |
IMA Number: | 1955 |
References: | AM 40 (1955), 1090; HB2/1 (1995) |
Type Locality: | Långban (Langban) mine, Bergslagen ore distr., Filipstad, Värmland (Wermland, Varmland), Sweden |
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