Tephroite
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Tephroite — is a non metallic manganese silicate mineral with the formula, Mn2SiO4, that is one of the unusual minerals found at the famous mines of Sterling Hill and Franklin, New Jersey, USA. It can also be found in England and Sweden.Tephroite has a… … Wikipedia
téphroïte — ● téphroïte nom féminin Silicate naturel de manganèse, orthorhombique, du groupe de l olivine … Encyclopédie Universelle
tephroite — /tef roh uyt /, n. a mineral, silicate of manganese, Mn2SiO4, occurring in orthorhombic crystals. [1865 70; < G Tephroit < Gk tephró(s) ash gray + G it ITE1] * * * ▪ mineral olivine mineral found only in iron manganese ore deposits and… … Universalium
tephroite — ˈtefrōˌīt noun ( s) Etymology: German tephroit, from Greek tephros ash gray + German it ite : a mineral Mn2SiO4 that consists of Manganese silicate and is isomorphous with olivine * * * /tef roh uyt /, n. a mineral, silicate of manganese, Mn2SiO4 … Useful english dictionary
téphroïte — (entrée créée par le supplément) (té fro i t ) s. f. Terme de minéralogie. Silicate de manganèse et de magnésie, brun rougeâtre. ÉTYMOLOGIE Du grec, cendre, et, forme … Dictionnaire de la Langue Française d'Émile Littré
tephroite — teph·ro·ite … English syllables
olivine — olivinic /ol euh vin ik/, olivinitic /ol euh vi nit ik/, adj. /ol euh veen , ol euh veen /, n. Mineral. any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive green to gray green masses as an important constituent of basic… … Universalium
Tephroit — und Willemit aus der Franklin Mine, Sussex County (New Jersey), USA Chemische Formel Mn2SiO4 … Deutsch Wikipedia
Fayalite — Catégorie IX : silicates[1] Fayalite Coso Hot Springs, Californie, États Unis (XX 1 mm) … Wikipédia en Français
Forsterite — (big tabular and colorless) on sanidine (little colorless crystals)<bg />with hematite (redish) General … Wikipedia
