Siderite after Calcite with Pyrite

Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare  Romania

Specimen size: 14 × 10.7 × 4.9 cm = 5.51” × 4.21” × 1.93”
Main crystal size: 2.9 × 2.4 cm = 1.14” × 0.94”