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MINERALOGY

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Mineral: JULGOLDITE-(Mg)
Formula: Ca2(Mg,Fe2+)(Fe3+,Al)2(SiO4)(Si2O7)(OH)2.H2O
Crystal System: Monoclinic
Group: Pumpellyite group
IMA Number: 1973 s.p.
References: CM 12 (1973), 219; Min. Pet. 61 (1997), 181
Type Locality: Sugashima, Toba, Mie Pref., Kinki region, Honshu Island, Japan

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