pumpellyite
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Pumpellyite — is a sorosilicate mineral rather a group of closely related minerals or solid solution series: *pumpellyite (Mg): Ca2MgAl2(SiO4)(Si2O7)(OH)2·(H2O) *pumpellyite (Fe2+): Ca2FeAl2(SiO4)(Si2O7)(OH)2·(H2O) *pumpellyite (Fe3+):… … Wikipedia
pumpellyite — pum·pel·ly·ite … English syllables
pumpellyite — ˌpəmˈpelēˌīt noun ( s) Etymology: Raphael Pumpelly died 1923 American geologist + English ite : a mineral Ca4(Al,Mg,Fe)6Si6O23(OH)3.2H2O(?) consisting of a hydrous calcium aluminosilicate probably related to clinozoisite … Useful english dictionary
Prehnite-pumpellyite facies — The prehnite pumpellyite facies is a metamorphic facies typical of subseafloor alteration of the oceanic crust around mid ocean ridge spreading centres. It is a metamorphic grade transitional between zeolite facies and greenschist facies… … Wikipedia
Metamorphic facies — Eclogite Blueschist Greenschist Prehnite Pumpellyite … Wikipedia
Julgoldite — Infobox mineral name = Julgoldite category = Silicate mineral boxwidth = boxbgcolor = imagesize = caption = formula = (Ca,Mn)2(Fe2+,Fe3+,Mg)(Fe3+,Al)2(SiO4)(Si2O7)(OH)2(H2O) molweight = color = Black to greenish olive habit = blades or prisms.… … Wikipedia
List of minerals N-R (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… … Wikipedia
metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… … Universalium
MÉTAMORPHIQUES (ROCHES) — Héritières d’une très grande diversité de textures et de compositions chimico minéralogiques, les roches métamorphiques (C. Lyell, 1833) offrent à leur tour une telle variété d’associations minérales et de textures que, dès le début de leur étude … Encyclopédie Universelle
Meneage — Coordinates: 50°04′34″N 5°10′28″W / 50.07609°N 5.17456°W / 50.07609; 5.17456 … Wikipedia
