underthescopemineral: Ilmenite Fe2+TiO3 Locality: Rocca Predellara Quarry (Tosc
underthescopemineral: Ilmenite Fe2+TiO3 Locality: Rocca Predellara Quarry (Tosca Quarry), Varsi, Ceno Valley, Taro Valley, Parma Province, Emilia-Romagna, Italy 0.37 mm Ilmenite crystal. Collection & Photo Matteo Chinellato A common accessory mineral disseminated in igneous rocks, as granites, gabbros,and kimberlites; in granite pegmatites, carbonatites, and high-grade metamorphic rocks; mayattain economic concentration in layered mafic intrusions and in “black sand” placer deposits. Weakly magnetic. -- source link
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