TIME TABLE
18 th century
regional and applied mineralogy
physical properties of minerals
19 th century
1800 -1849
chemical and physical properties of minerals
1850 -1899
microscopic observation, petrography
physical properties of minerals
20 th century
1900-1949
high pressures and high temperatures minerals
thermodynamics and geochemistry
1950-1998
mineralogy of Earth's crust and core
minerals related to metamorphism