Heinrich Rose (6 August 1795 – 27 January 1864) was a German

mineralogist Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts. Specific studies within mineralogy include the proce ...

and analytical

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe th ...

. He was the brother of the mineralogist

Gustav Rose Prof Gustavus ("Gustav") Rose FRSFor HFRSE (18 March 1798 – 15 July 1873) was a German mineralogist who was a native of Berlin. He was President of the German Geological Society from 1863 to 1873. Life He was born in Berlin the son of pharmaco ...

and a son of Valentin Rose. Rose's early works on phosphorescence were noted in the

Quarterly Journal of Science ''Quarterly Journal of Science'' was the title of two British scientific periodicals of the 19th century. The first was established in 1816 by William Thomas Brande, as the ''Quarterly Journal of Science, Literature and the Arts''. He edited it w ...

in 1821, and on the strength of these works, he was elected privatdozent at the

University of Berlin Humboldt-Universität zu Berlin (german: Humboldt-Universität zu Berlin, abbreviated HU Berlin) is a German public research university in the central borough of Mitte in Berlin. It was established by Frederick William III on the initiative o ...

from 1822, then Professor from 1832.Publication list of Heinrich Rose
/ref> Columbite-75444

In 1846 Rose rediscovered the

chemical element A chemical element is a species of atoms that have a given number of protons in their nuclei, including the pure substance consisting only of that species. Unlike chemical compounds, chemical elements cannot be broken down into simpler sub ...

niobium Niobium is a chemical element with chemical symbol Nb (formerly columbium, Cb) and atomic number 41. It is a light grey, crystalline, and ductile transition metal. Pure niobium has a Mohs hardness rating similar to pure titanium, and it has sim ...

, proving conclusively that it was different from

tantalum Tantalum is a chemical element with the symbol Ta and atomic number 73. Previously known as ''tantalium'', it is named after Tantalus, a villain in Greek mythology. Tantalum is a very hard, ductile, lustrous, blue-gray transition metal that is ...

. This confirmed that

Charles Hatchett Charles Hatchett FRS FRSE (2 January 1765 – 10 March 1847) was an English mineralogist and analytical chemist who discovered the element niobium, for which he proposed the name "columbium". Hatchett was elected a Fellow of the Linnaean Soci ...

had discovered niobium in 1801 in

columbite Columbite, also called niobite, niobite-tantalite and columbate [], is a black mineral group that is an ore of niobium. It has a submetallic Lustre (mineralogy), luster and a high density and is a niobate of iron and manganese. This mineral group ...

ore. Hatchett had named the new element "columbium", from the ore in which niobium and tantalum coexist. The element was eventually assigned the name niobium by the IUPAC in 1950 after

Niobe In Greek mythology, Niobe (; grc-gre, Νιόβη ) was a daughter of Tantalus and of either Dione, the most frequently cited, or of Eurythemista or Euryanassa, the wife of Amphion and the sister of Pelops and Broteas. Her father was the ru ...

, the daughter of

Tantalus Tantalus ( grc, Τάνταλος ) was a Greek mythological figure, most famous for his punishment in Tartarus: he was made to stand in a pool of water beneath a fruit tree with low branches, with the fruit ever eluding his grasp, and the wate ...

Greek mythology A major branch of classical mythology, Greek mythology is the body of myths originally told by the Ancient Greece, ancient Greeks, and a genre of Ancient Greek folklore. These stories concern the Cosmogony, origin and Cosmology#Metaphysical co ...

. In 1845 Rose published the discovery of a new element

pelopium Pelopium was the proposed name for a new element found by the chemist Heinrich Rose in 1845. The name derived from the Greek king and later god Pelops, son of Tantalus. During the analysis of the mineral tantalite he concluded that it does contain ...

, which he had found in the mineral

tantalite The mineral group tantalite Fe,_manganese.html"_;"title="iron.html"_;"title="iron">Fe,_manganese">Mn)Tantalum">Ta2oxygen.html" ;"title="manganese">Mn)Tantalum.html" ;"title="iron">Fe,_manganese.html" ;"title="iron.html" ;"title="iron">Fe, manga ...

. After subsequent research pelopium was identified to be a mixture of tantalum and niobium. In 1830, Heinrich Rose was elected a foreign member of the

Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences ( sv, Kungliga Vetenskapsakademien) is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special ...

. He was elected to the

American Philosophical Society The American Philosophical Society (APS), founded in 1743 in Philadelphia, is a scholarly organization that promotes knowledge in the sciences and humanities through research, professional meetings, publications, library resources, and communit ...

in 1860.

Works

* ''Handbuch der analytischen Chemie'' . Vol.1&2 . Mittler, Berlin 1833-183
Digital edition
by the

University and State Library Düsseldorf The University and State Library Düsseldorf (german: Universitäts- und Landesbibliothek Düsseldorf, abbreviated ULB Düsseldorf) is a central service institution of Heinrich Heine University. Along with Bonn and Münster, it is also one of th ...

References

External links

Berlin-Brandenburgische Akademie der WissenschaftenAkademiebibliothek
Publication list of Heinrich Rose, Chemiker {{DEFAULTSORT:Rose, Heinrich 1795 births 1864 deaths 19th-century German chemists Members of the Prussian Academy of Sciences Scientists from Berlin People from the Margraviate of Brandenburg Humboldt University of Berlin faculty Members of the Royal Swedish Academy of Sciences Foreign Members of the Royal Society Recipients of the Pour le Mérite (civil class) Rare earth scientists