- lawsonite
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a metamorphic silicate mineral related to the epidotes; it is a sorosilicate, based on the dimeric anion SiO
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lawsonite
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Lawsonite — is a hydrous calcium aluminium sorosilicate mineral with formula CaAl2Si2O7(OH)2·H2O. Lawsonite crystallizes in the orthorhombic system in prismatic, often tabular crystals. Crystal twinning is common. It forms transparent to translucent… … Wikipedia
lawsonite — ● lawsonite nom féminin (de A. C. Lawson, nom propre) Silicate double naturel d aluminium et de calcium hydraté, orthorhombique, que l on trouve dans les roches métamorphiques du faciès schiste bleu … Encyclopédie Universelle
Lawsonite — Lawnsonite[1] Catégorie IX : silicates[2] … Wikipédia en Français
lawsonite — law·so·nì·te s.f. TS mineral. minerale raro di colore grigio azzurro e costituito da silicato di calcio idrato e alluminio, che cristallizza nel sistema rombico {{line}} {{/line}} DATA: 1930. ETIMO: der. di Lawson, nome del geologo americano… … Dizionario italiano
lawsonite — pl.f. lawsoniti … Dizionario dei sinonimi e contrari
lawsonite — law·son·ite … English syllables
lawsonite — ˈlȯsənˌīt noun ( s) Etymology: Andrew C. Lawson died 1952 American geologist + English ite : a pale or grayish blue mineral CaAl2Si2O6(OH)4 in prismatic orthorhombic crystals consisting of hydrous calcium aluminum silicate … Useful english dictionary
Eclogite — (pronEng|ˈɛklədʒaɪt) is a coarse grained mafic (basaltic in composition) metamorphic rock. Eclogite is of special interest for at least two reasons. First, it forms at pressures greater than those typical of the crust of the Earth. Second, being… … 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
Blueschist — (pronEng|ˈbluːʃɪst) is a rock that forms by the metamorphism of basalt and rocks with similar composition at high pressures and low temperatures, approximately corresponding to a depth of 15 to 30 kilometers and 200 to 500 degrees Celsius. The… … Wikipedia
