- pectolite
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a gray-white mineral inosilicate hydroxide of calcium and sodium that crystallizes in the triclinic system, with the chemical formula NaCaSiO(OH).
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pectolite
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Pectolite — [1] Catégorie IX : silicates[2] … Wikipédia en Français
Pectolite — is a white to gray mineral, NaCa2Si3O8(OH), sodium calcium inosilicate hydroxide. It crystallizes in the triclinic system typically occurring in radiated or fibrous crystalline masses. It has a Mohs hardness of 4.5 to 5 and a specific gravity of… … Wikipedia
Pectolite — Pec to*lite (p[e^]k t[ o]*l[imac]t), n. [L. pecten a comb + lite.] (Min.) A whitish mineral occurring in radiated or fibrous crystalline masses. It is a hydrous silicate of lime and soda. [1913 Webster] … The Collaborative International Dictionary of English
pectolite — ● pectolite nom féminin (du grec pêktos, coagulé) Silicate naturel de sodium et de calcium, triclinique … Encyclopédie Universelle
pectolite — /pek teuh luyt /, n. a mineral, hydrous calcium sodium silicate, usually occurring in radiating groups of crystals in rock cavities. [1820 30; < Gk pektó(s) made solid (see PECTIC) + LITE] * * * … Universalium
pectolite — pec·to·lite … English syllables
pectolite — /ˈpɛktəlaɪt/ (say pektuhluyt) noun a mineral silicate of calcium and sodium which crystallises in the monoclinic system. {German pectolith} …
pectolite — ˈpektəˌlīt noun ( s) Etymology: German pektolith, from Greek pēktos compacted (from pēgnynai to fix, fasten) + German lith lite more at pact : a whitish or grayish monoclinic mineral NaCa2Si3O8(OH) consisting of a basic sodium calcium silicate… … Useful english dictionary
Larimar — (also lorimar) is a rare blue variety of pectolite found only in the Dominican Republic, in the Caribbean. Its coloration varies from white, light blue, green blue to deep blue. The deep blue variant is known as volcanic blue Fact|date=June 2007 … Wikipedia
Pektolith — aus Bergen Hill, New Jersey, USA Chemische Formel Ca2Na[Si3O8OH] Mineralklasse Silikate und Germanate 9.DG.05 (8. Auflage: VIII/F.18 60) (nach Strunz) 6 … Deutsch Wikipedia
