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Mitchell mine, Portsmouth, Newport Co., Rhode Island, USA


List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 9 - Silicates
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2


4 entries listed. 4 valid minerals.
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