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ATHENA MINERALOGY |
Mineral: | WELSHITE |
---|---|
Formula: | Ca4Mg9Sb5+3Be3Si6(Fe3+,Al)3O20 |
Crystal System: | Anorthic (Triclinic) |
Group: | Sapphirine supergroup. Rhönite group |
IMA Number: | 1973-019 |
References: | MM 42 (1978), 129; HB2/2 (1995); EJM 11 (1999), 743; AM 92 (2007), 80 |
Type Locality: | Långban (Langban) mine, Bergslagen ore distr., Filipstad, Värmland (Wermland, Varmland), Sweden |
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