Karl Friedrich August Rammelsberg
Encyclopedia
Karl Friedrich August Rammelsberg (April 1, 1813 – December 28, 1899) was a German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 mineralogist from Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, Prussia
Prussia
Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...

.

He was educated for the medical profession and graduated in 1837 at Berlin University. In 1841 he became privatdozent
Privatdozent
Privatdozent or Private lecturer is a title conferred in some European university systems, especially in German-speaking countries, for someone who pursues an academic career and holds all formal qualifications to become a tenured university professor...

in the university, and in 1845 professor extraordinary of chemistry. He relinquished this post in 1851 to take the chair of chemistry
Chemistry
Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds....

 and mineralogy at the Royal Industrial Institute. In 1874 he was appointed professor of inorganic chemistry
Inorganic chemistry
Inorganic chemistry is the branch of chemistry concerned with the properties and behavior of inorganic compounds. This field covers all chemical compounds except the myriad organic compounds , which are the subjects of organic chemistry...

, and director of the second chemical laboratory at Berlin.

Distinguished for his researches on mineralogy, crystallography and analytical chemistry, he laboured also at metallurgy, and yet found time for a series of important textbooks, in which his learning and sound judgment were combined with a lucid and accurate statement of facts. He was author of:
  • Handworterbuch des chemischen Teils der Mineralogie (2 vols, 1841; supp. 1843–53)
  • Lehrbuch der chemischen Metallurgie (1850)
  • Handbuch der Krystallographischen Chemie (1855)
  • Handbuch der Mineralchemie (1860)
  • Handbuch der Krystallographisch-physikalischen Chemie (2 vols, 1881–82), some of the earlier works being incorporated in later and more comprehensive volumes with different titles.


A nickel arsenide mineral named rammelsbergite
Rammelsbergite
Rammelsbergite is a nickel arsenide mineral with formula NiAs2. It forms metallic silvery to tin white to reddish orthorhombic prismatic crystals, but is usually massive in form. It has a Mohs hardness of 5.5 and a specific gravity of 7.1....

 is named after him. He died at Gross Lichterfelde, southwest of Berlin.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK