József Sándor Krenner or Joseph Krenner (3 March 1839 – 6 January 1920) was a Hungarian mineralogist. He discovered several new minerals. Krenner was born in

Buda Buda (, ) is the part of Budapest, the capital city of Hungary, that lies on the western bank of the Danube. Historically, “Buda” referred only to the royal walled city on Castle Hill (), which was constructed by Béla IV between 1247 and ...

and studied at the

University of Pest A university () is an institution of tertiary education and research which awards academic degrees in several academic disciplines. ''University'' is derived from the Latin phrase , which roughly means "community of teachers and scholars". Univ ...

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and

Tübingen Tübingen (; ) is a traditional college town, university city in central Baden-Württemberg, Germany. It is situated south of the state capital, Stuttgart, and developed on both sides of the Neckar and Ammer (Neckar), Ammer rivers. about one in ...

mineralogy and geology. He received his Ph.D. in 1865 for work with Friedrich August Quenstedt in Tübingen. Krenner worked in the mineralogy section of the

Hungarian National Museum The Hungarian National Museum (, ) was founded in 1802 and is the national museum for the history, art, and archaeology of Hungary, including areas not within Hungary's modern borders, such as Transylvania; it is separate to the collection of int ...

. From 1870 on he also lectured at the

Technical University of Budapest The Budapest University of Technology and Economics ( or in short ), official abbreviation BME, is a public research university located in Budapest, Hungary. It is the most significant university of technology in the country and is considered t ...

. In 1888 he became a member of the

Hungarian Academy of Science The Hungarian Academy of Sciences ( , MTA) is Hungary’s foremost and most prestigious learned society. Its headquarters are located along the banks of the Danube in Budapest, between Széchenyi rakpart and Akadémia utca. The Academy's primar ...

. Krenner discovered several new minerals, for example,

Krennerite Krennerite is an orthorhombic gold telluride mineral which can contain variable amounts of silver in the structure. The formula is AuTe2, but specimen with gold substituted by up to 24% with silver have been found ( u0.77Ag0.24e2). Both of the c ...

which he discovered in 1877 in Sacaramb, Romania. The mineral is obviously named after himself. Another mineral he discovered was

Semseyite Semseyite is a rarely occurring sulfosalt mineral and is part of the class of lead antimony sulfides. It crystallizes in the monoclinic system with the chemical composition Pb9Sb8S21. The mineral forms dark gray to black aggregates. Etymology ...

, the lead antimony sulfide discovered in 1881 was named after Andor Semsey (1833–1923), a Hungarian nobleman and mineralogist.

References

* * 1839 births 1920 deaths 19th-century Hungarian people 19th-century Hungarian scientists Hungarian scientists Hungarian geologists Mineralogists Geologists from Austria-Hungary {{geologist-stub