Content being validated
Silica banks in white limestone
The ochres are silica banks scattered in the white limestone of Provence. They consist of 90% of silica and 10% of clay and goethite. Goethite is a yellow iron oxyhydroxide whose name was imagined by the mineralogist Johann Georg Lenz as a tribute to the German writer Goethe who was interested in mineralogy.
Read More
Related content

Médias en cours d’exploration