Mineralogy
91Stuart Olof Agrell — (5 March 1913 29 January 1996) was an outstanding optical mineralogist and pioneer collaborator applying the electron microprobe to petrology. His involvement in the Apollo program brought him to the attention of the British media and public.… …
92Barytine — Catégorie VII : sulfates, sélénates tellurates, chromates, molybdates, tungstates[1] Barytine Frizington, Angleterre (5,4×4,6 cm) …
93Crocoïte — Catégorie VII : sulfates, sélénates tellurates, chromates, molybdates, tungstates[1] Crocoïte de Tasmanie (Australie) …
94soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …
95Faculty of Geology and Geoenvironment (University of Athens) — The Faculty of Geology is part of the School of Sciences in National and Kapodistrian University of Athens. Contents 1 Early history 2 Departments 3 Laboratories 4 Professors Emeriti …
96Cookéite — Catégorie IX : silicates[1] Cookéite sur quartz, Paris, Maine, gisement topotype …
97Goyazite — Catégorie VIII : phosphates, arséniates, vanadates[1] Goyazite, Ilfeld, Nordhausen, Monts Harz …
98Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …
99Granite — For other uses, see Granite (disambiguation). Granite Igneous Rock Granite containing potassium feldspar, plagioclase feldspar, quartz, and biotite and/or amphibole Composi …
100Pegmatite — is a very coarse grained igneous rock that has a grain size of 20 mm or more; such rocks are referred to as pegmatitic .Most pegmatites are composed of quartz, feldspar and mica; in essence a granite . Rarer intermediate and mafic pegmatite… …
