SPHALERITE, CALCITE, SIDERITE

Compact and well-defined sphalerite crystals, with an intense, almost black colour and very marked faces. They are accompanied, contrasting with them, by globular crystals of white calcite and sprinkled with greenish siderite. Very aesthetic. LARGEST CRYSTAL: 1 x 1 x 0.7 cm. Fluorescence under UVC and UVA light (calcite, slight).

ORIGIN: HERJA MINE, BAIA MARE, ROMANIA

DIMENSIONS: 5,1x3,5x7,7