The following list may include geographical sources of either natron or other hydrated sodium carbonate minerals:* Africa** Chad*** shores of Lake Chad***Trou au Natron***Era Kohor crater on Emi Koussi** Egypt*** Wadi El Natrun** Ethiopia*** Showa Province** Niger*** Bilma** Tanzania*** Lake Natron* Europe** Hungary*** Bács-Kiskun County, (Great Hungarian Plain)*** Szabolcs-Szatmár-Bereg County (Great Hungarian Plain)** Italy*** Campania,*** Province of Naples*** Somma-Vesuvius Complex** Kola Peninsula, northern Russia*** Khibiny Massif*** Lovozero Massif**** Alluaiv Mountain**** Kedykverpakhk Mountain*** Umbozero Mine** England, UK*** St Just District*** Botallack – Pendeen Area* North America** Canada*** Quebec**** Rouville County**** Mont-Saint-Hilaire*** Interior British Columbia** United States*** California**** Inyo County*** Nevada**** Churchill County (Soda Lake District)**** Humboldt County**** Mineral County*** Oregon**** Lake County*** Pennsylvania**** Karns**** Natrona*** Washington**** Okanogan County*** Wyoming**** Natrona County== See also ==* Saltpeter* Shortite* Sodium sesquicarbonate* Soda== References ==== External links ==* Etymology of "natron"
==Nastanek==Zgodovinski natron in mineral natron sta evapotitna minerala, se pravi da sta nastala med izparevanjem jezer, bogatih z natrijevim karbonatom.