- Calcite, Pyrite
- Small Cabinet, 5.4 x 5.3 x 5.0 cm
- La Sirena Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
Translucent, waxy luster, stepped faces calcite scalenohedrons surround a bar of scintillating pyrite microcrystals like sharp mountain peaks on this showy and excellent specimen from the La Sirena Mine of Guanajuato, Mexico. This superb specimen is from the Karl Warning Calcite Collection and was purchased from Fender Natural Resources in 2000 in Dallas. Classic Guanajuato material.