菱锰矿、磁黄铁矿、方铅矿,产自墨西哥(Potosí Mine, Santo Domingo (Francisco Portillo), Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua Mexico)。葡萄状菱锰矿生在在围岩上,有光泽,呈深粉色,围岩上还带有方铅矿和透镜状的磁黄铁矿晶体。尺寸:2.4 × 1.9 × 1.4厘米,NO.20221018RPG17.