Ferri-fluoro-katophorite from Bear Lake diggings, Bancroft area, Ontario, Canada: a new species of amphibole, ideally Na(NaCa)(Mg4Fe3+)(Si7Al)O22F2 | Mineralogical Magazine | Cambridge Core
2020 Q4 Edition
Equipo Médico – Vertu Medical
Philips lighting hi-res stock photography and images - Alamy