Corundum from Couze de Chaudefour stream alluvial deposits, Voissière, Chambon-sur-Lac, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
France | |
| [var. Sapphire] Périnet, François (n.d.) Personal communication. |
France | |
| [var. Sapphire] Périnet, François (n.d.) Personal communication. |
Couze de Chaudefour stream alluvial deposits, Voissière, Chambon-sur-Lac, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France