- Siderite, Sphalerite cast after Calcite
- Small Cabinet, 6.1 x 4.8 x 3.0 cm
- Aggenys Mine, North Cape Province, South Africa
Video on Instagram
Nicely perched on a drusy calcite matrix are two, scalenohedral epimorphs of siderite after calcite. The crystals are lustrous and a dark tan to brown color palette. The largest crystal measures 3.6 cm in length. Lovely! From a rare, one time find from ten years ago.