fayalite

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fayalite
fayalite Min. (ˈfeɪəlaɪt) [Named by Gmelin in 1840 after Fayal, one of the Azores: see -ite.] A silicate of iron and other bases, found in Fayal and elsewhere.1844 Dana Min. 586 Fayalite of Gmelin, from the Azores. 1879 Rutley Stud. Rocks xiii. 263 A mineral which, in chemical composition, is allied... Oxford English Dictionary
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Fayalite
Fayalite (, commonly abbreviated to Fa) is the iron-rich end-member of the olivine solid-solution series. The name fayalite is derived from Faial (Fayal) Island in the Azores where it was first described in 1840. wikipedia.org
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chrysolite
chrysolite (ˈkrɪsəlaɪt) Forms: 4 crisolite, -lyte, -lide, crysolyt(e, 6 chrisolite, (? chrisalet), 6, 9 crysolite, 7 crisolite, chrysolith, 8 crisolete, 9 chrysolithe, 6– chrysolite. [ME. crisolite, a. OF. crisolite, ad. med.L. crisolitus, for L. chrȳsolith-us, a. Gr. χρῡσόλιθος a bright yellow ston... Oxford English Dictionary
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Knebelite
Knebelite is a manganese variety of the fayalite-tephroite series with formula . It forms dark green orthorhombic crystals. wikipedia.org
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Qidong (meteorite)
Its fayalite, ferrosilite place this stone at the extreme higher end of L chondrites, the metal content is typical of LL chondrites and the Co abundance wikipedia.org
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hortonolite
hortonolite Min. (hɔːˈtɒnəlaɪt, ˈhɔːtənəlaɪt) [f. the name of Silas Ryneck Horton (b. 1820), American amateur mineralogist + -o + -lite.] A silicate mineral, (Fe, Mg)2SiO4, yellow or greenish-yellow on fresh fracture, having a preponderance of iron over magnesium and often some substitution by manga... Oxford English Dictionary
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Tephroite
A solid solution series exists between tephroite and its analogues, the group endmembers fayalite and forsterite. wikipedia.org
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Sekaninaite
These Fe-rich paralavas are composed of Fe-olivine, esseneite, dorite, melilite, Fe-cordierite, anorthite, spinel, tridymite, fayalite, magnetite, quartz Fayalite from Fe-rich Paralavas of ancient coal fires in the Kuzbass, Russia. wikipedia.org
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Pantellerite
Mafic minerals may include aegirine, fayalite, aenigmatite, ilmenite, and sodic amphibole (often arfvedsonite or ferrorichterite). wikipedia.org
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CN102732716A - Method for producing magnetite by using fayalite slag ...
The invention provides a method for producing magnetite by using fayalite slag. The invention aims to convert fayalite in fayalite slag into magnetite which can be used for iron making so as to provide a raw material for iron and steel enterprises. The method comprises the following steps: grinding fayalite slag into powder; and roasting the obtained powder at a temperature of 600 to 1000 DEG ...
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锰镁橄榄石
晶胞略大于不含钙的橄榄石镁橄榄石和铁橄榄石(Fayalite) a = 0.4815 nm, b = 1.108 nm c = 0.637 nm, 参考文献 地球科学 矿物学 wikipedia.org
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Olivine
Forsterite's melting temperature is unusually high at atmospheric pressure, almost , while fayalite's is much lower – about . At about 0.8 mole fraction fayalite, olivine transforms directly to ringwoodite over the pressure range . wikipedia.org
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锰橄榄石
锰橄榄石与其类似物铁橄榄石fayalite和镁橄榄石forsterite之间形成固溶体系列。 二价铁或镁可以很容易地取代锰橄榄石晶体结构中的锰。 锰橄榄石被发现于美国新泽西州斯特林山矿和富兰克林。 铁锰矿床及其相关矽卡岩中。 也分布于变质的富锰沉积物中。 wikipedia.org
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Monticellite
The unit cell is somewhat larger than for the calcium free olivines forsterite and fayalite with a = 0.4815 nm, b = 1.108 nm and c = 0.637 nm, and for wikipedia.org
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镁橄榄石
另一它终端矿物为铁橄榄石(fayalite)。 两者为异质同形结晶。 镁橄榄石属正交晶系(空间群 Pbnm),晶胞参数 a 4.75 Å (0.475 nm),b 10.20 Å (1.020 nm) 和 c 5.98 Å (0.598 nm) 。 镁橄榄石、铁橄榄石(fayalite) (Fe2SiO4)和锰橄榄石(tephroite) (Mn2SiO4)是橄榄石固溶体系列的终端矿物; 其他元素如 Ni 和 Ca 替代橄榄石中的 Fe 和 Mg,但在自然产状中所占比例很小。 wikipedia.org
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