an English crystallographer. Brooke's hobbies were mineralogy, geology, and botany. He was elected a Fellow of the Geological Society in 1815, Fellow of the Linnean Society in 1818, and Fellow of the Royal Society in 1819. He discovered thirteen new mineral species. Brooke published a Familiar Introduction to Crystallography, London, 1823; and contributed the articles on "Crystallography" and "Mineralogy" in the Encyclopædia Metropolitana, in which he first introduced six primary crystalline systems.
