Rosell Minerales

An interesting specimen of turquoise (variety rashleighite) from the Cornwall mines. Formerly, rashleighite was an approved species, now it is defined as a turquoise with a certain iron content, intermediate between chalcosiderite and turquoise. This sample shows a sky blue crust aggregates, with cavities with crystals and a quartz matrix. A Cornish classic from the collection of Joan Astor (Barcelona) and, previously, from Martín Oliete (Madrid), a well-known systematic collector.

Size: 4.7 x 4.1 x 3.2 cm.
Found in ± 1984.

Col. Joan Astor (Barcelona). Col. Martín Oliete (Madrid).
Classic locality