Stone : garnet-bearing amphibolite
Type : metamorphic rock derived from a magmatic rock
Age : 602 ± 8 million years (gabbro)
Quarry : la Croix Gibat, Trégueux (Côtes d’Armor)
![](local/cache-vignettes/L1920xH1032/c536643c2cd6b4ce3f2fc285d774ef-b5ce8.jpg?1711120072)
Stone : garnet-bearing amphibolite
Type : metamorphic rock derived from a magmatic rock
Age : 602 ± 8 million years (gabbro)
Quarry : la Croix Gibat, Trégueux (Côtes d’Armor)