Halotrichite
Halotrichite Hal*o*tri"chite (h[a^]l*[-o]*tr[imac]"k[imac]t), n. [Gr. "a`ls sea + qri`x, tricho`s, hair.] (Min.) An iron alum occurring in silky fibrous aggregates of a yellowish white color. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Halotrichite — Halotrichite, also known as feather alum , is a highly hydrated sulfate of aluminium and iron. It is formed by the weathering and decomposition of pyrite commonly near or in volcanic vents. Its chemical formula is FeAl2(SO4)4 sdot;22H2O. It forms …   Wikipedia

  • halotrichite — Feather Feath er (f[e^][th] [ e]r), n. [OE. fether, AS. fe[eth]er; akin to D. veder, OHG. fedara, G. feder, Icel. fj[ o][eth]r, Sw. fj[ a]der, Dan. fj[ae]der, Gr. ptero n wing, feather, pe tesqai to fly, Skr. pattra wing, feather, pat to fly, and …   The Collaborative International Dictionary of English

  • halotrichite — halotrichitas statusas T sritis chemija apibrėžtis Mineralas. formulė FeAl₂[SO₄]₄·22H₂O atitikmenys: angl. halotrichite rus. галотрихит …   Chemijos terminų aiškinamasis žodynas

  • halotrichite — haˈlä.trəˌkīt noun ( s) Etymology: German halotrichit, from hal + trich + it ite 1. : a mineral FeAl2(SO4)4.22H2O consisting of a hydrous iron aluminum sulfate 2. : any of several sulfates similar to halotrichite in construction and habit …   Useful english dictionary

  • halotrichite — /ha lo treuh kuyt /, n. a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers. [1839; HALO + TRICHITE] * * * ▪ mineral       a sulfate mineral containing aluminum and iron [FeAl2(SO4)4·22H2O]. If more than …   Universalium

  • halotrichite — ha·lot·ri·chite …   English syllables

  • Halotrichit — Haarförmiger Halotrichit aus der Golden Queen Mine, Soledad Mountain, Golden Queen, Kern County, Kalifornien, USA (Größe: 5.2 x 4.2 x 3.3 cm) Chemische Formel Fe2+Al2[SO4]4 • 22 H2O …   Deutsch Wikipedia

  • Eisenalaun — Halotrichit Chemische Formel Fe2+Al2[SO4]4 • 22 H2O Mineralklasse Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O Mit ausschließlich mittelgroßen Kationen 7.CB.85 (9. Aufl.) ; VI/C.12 …   Deutsch Wikipedia

  • Federalaun — Halotrichit Chemische Formel Fe2+Al2[SO4]4 • 22 H2O Mineralklasse Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O Mit ausschließlich mittelgroßen Kationen 7.CB.85 (9. Aufl.) ; VI/C.12 …   Deutsch Wikipedia

  • Haarsalz — Halotrichit Chemische Formel Fe2+Al2[SO4]4 • 22 H2O Mineralklasse Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O Mit ausschließlich mittelgroßen Kationen 7.CB.85 (9. Aufl.) ; VI/C.12 …   Deutsch Wikipedia

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