Potassic-magnesio-fluoro-arfvedsonite is an amphibole mineral first discovered in Quebec, Canada,in an area which is part of the Canadian Shield which is where some of the oldest exposed rocksi

Potassic-magnesio-fluoro-arfvedsonite is an amphibole mineral first discovered in Quebec, Canada,in an area which is part of the Canadian Shield which is where some of the oldest exposed rocksi#baldibaldibaldibaldi