Franz Ernst Brückmann (27 September 169721 March 1753) was a German

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

born at Marienthal near

Helmstedt Helmstedt (; Eastphalian: ''Helmstidde'') is a town on the eastern edge of the German state of Lower Saxony. It is the capital of the District of Helmstedt. The historic university and Hanseatic city conserves an important monumental heritage o ...

. Having qualified as a physician in 1721, he practised at

Braunschweig Braunschweig () or Brunswick ( ; from Low German , local dialect: ) is a List of cities and towns in Germany, city in Lower Saxony, Germany, north of the Harz Mountains at the farthest navigable point of the river Oker, which connects it to the ...

and afterwards at

Wolfenbüttel Wolfenbüttel (; ) is a town in Lower Saxony, Germany, the administrative capital of Wolfenbüttel District Wolfenbüttel (; ) is a town in Lower Saxony, Germany, the administrative capital of Wolfenbüttel (district), Wolfenbüttel Distri ...

(from 1728). In 1747 he was appointed medical assessor in Braunschweig. His leisure time was given up to

natural history Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is cal ...

, and especially to

mineralogy Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical mineralogy, optical) properties of minerals and mineralized artifact (archaeology), artifacts. Specific s ...

and

botany Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

. He appears to have been the first to introduce the term "oolithus" to rocks that resemble in structure the

roe Roe, ( ) or hard roe, is the fully ripe internal egg masses in the ovaries, or the released external egg masses, of fish and certain marine animals such as shrimp, scallop, sea urchins and squid. As a seafood, roe is used both as a cooking, c ...

of a

fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...

; whence the terms "

oolite Oolite or oölite () is a sedimentary rock formed from ooids, spherical grains composed of concentric layers. Strictly, oolites consist of ooids of diameter 0.25–2 millimetres; rocks composed of ooids larger than 2 mm are called pis ...

" and "oolitic". He died at Wolfenbüttel.

Publications

* * Magnalia Dei in locis subterraneis (Brunswick, 1727). * Historia naturalis curiosa lapidis (1727). * Thesaurus subterraneus Ducatus Brunsvigii (1728).A Catalogue of the Library of the Museum of Practical Geology...
by Museum of Practical Geology (Great Britain). Library, Thomas W. Newton Bruckmann, Franz Ernst – Kurtze Beschreibung und genaue Untersuchung des fürtrefflichen Weitzen-Biers Duckstein genannt, 1723 – BEIC 8669693.jpg, ''Kurtze Beschreibung und genaue Untersuchung des fürtrefflichen Weitzen-Biers Duckstein genannt'', 1723

References

{{DEFAULTSORT:Bruckmann, Franz Ernst German mineralogists 1697 births 1753 deaths People from Helmstedt (district) People from Brunswick-Lüneburg 18th-century German scientists