Home Scientists Friedrich Mohs Friedrich Mohs Scientist Carl Friedrich Christian Mohs (29 January 1773 – 29 September 1839) was a German geologist/mineralogist. Personal facts Birth dateJanuary 29, 1773 Birth placeGermany , Holy Roman Empire , Gernrode Date of deathSeptember 29, 1839 Place of deathItaly , Agordo , Kingdom of Lombardy–Venetia Known forMohs scale of mineral hardness facebook tumblr linkedin twitter reddit google+ Search Scientist Field of studyGeologyMineralogy Topical connections Adolf SchärfPresident Abraham Gottlob WernerScientist August BreithauptScientist Adolf LoosArchitect Alexander LöhrMilitary person Ami BouéScientist Franz-Joseph Müller von ReichensteinScientist Friedrich Mohs on Wikipedia Friedrich Mohs External resources http://www.austria-lexikon.at/af/AEIOU/Mohs,_Friedrich