Abraham Gottlob Werner in the context of "History of the Earth"

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⭐ Core Definition: Abraham Gottlob Werner

Abraham Gottlob Werner (German: [ˈaːbʁaham ˈɡɔtloːp ˈvɛʁnɐ]; 25 September 1749 – 30 June 1817) was a German geologist who set out an early theory about the stratification of the Earth's crust and propounded a history of the Earth that came to be known as Neptunism. While most tenets of Neptunism were eventually set aside, Werner is remembered for his demonstration of chronological succession in rocks; for the zeal with which he infused his pupils; and for the impulse he thereby gave to the study of geology. He has been called the "father of German geology".

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Abraham Gottlob Werner in the context of Apatite

Apatite is a group of phosphate minerals, usually hydroxyapatite, fluorapatite and chlorapatite, with high concentrations of OH, F and Cl ion, respectively, in the crystal. The formula of the admixture of the three most common endmembers is written as Ca10(PO4)6(OH,F,Cl)2, and the crystal unit cell formulae of the individual minerals are written as Ca10(PO4)6(OH)2, Ca10(PO4)6F2 and Ca10(PO4)6Cl2.

The mineral was named apatite by the German geologist Abraham Gottlob Werner in 1786, although the specific mineral he had described was reclassified as fluorapatite in 1860 by the German mineralogist Karl Friedrich August Rammelsberg. Apatite is often mistaken for other minerals. This tendency is reflected in the mineral's name, which is derived from the Greek word ἀπατάω (apatáō), which means to deceive.

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LINKED FROM (PARENTS)
← Apatite ← Chlorapatite
LINKS TO (CHILDREN)
Geologist → Stratigraphy → Earth's crust → History of the Earth → Neptunism → Succession (geology) → Geology →