ATHENA MINERALOGY |
Mineral: | DORRITE |
---|---|
Formula: | Ca2Mg2Fe3+4Si2Al4O20 |
Crystal System: | Anorthic (Triclinic) |
Group: | Sapphirine supergroup. Rhönite group |
IMA Number: | 1987-054 |
References: | AM 73 (1988), 1440; HB2/1 (1995); EJM 11 (1999), 743 |
Type Locality: | Durham Ranch, Gillette, Reno Junction, Wyoming, USA |
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