mimetite

mimetite
/mim"i tuyt', muy"mi-/, n.
a mineral, lead chloroarsenate, Pb5As3O12Cl, occurring in yellow to brown prismatic crystals or globular masses: a minor ore of lead.
[1850-55; < Gk mimet(és) imitator (equiv. to mime- (see MIMESIS) + -tes agent suffix) + -ITE1]

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      arsenate mineral, lead chloride arsenate [Pb5(AsO4)3Cl], in the pyromorphite series of the apatite group of phosphates. Its colour ranges from brown to olive green, yellow, or orange. It greatly resembles pyromorphite (q.v.), in which phosphorus replaces arsenic in the crystal structure; mimetite is similar in physical characteristics and mode of occurrence (barrel-shaped crystals or rounded masses) but is less common. Mimetite also forms a continuous solid-solution series with vanadinite in which vanadium replaces mimetite's arsenic in the crystal structure. Campylite is any member of the pyromorphite-mimetite series distinguished by distorted crystals with curved faces. For detailed physical properties, see arsenate mineral (table).

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  • mimétite — ● mimétite nom féminin (grec mimêtês, imitateur) Arséniate chloré de plomb naturel, monoclinique …   Encyclopédie Universelle

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  • mimetite — ˈmiməˌtīt, ˈmīm noun ( s) Etymology: German mimetit, from French mimétèse mimetite (from Greek mimētēs imitator, from mimeisthai to imitate) + German it ite; from its resemblance to pyromorphite : a lead arsenate and chloride Pb5 …   Useful english dictionary

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  • mimetite — pl.f. mimetiti …   Dizionario dei sinonimi e contrari

  • mimetite — mim·e·tite …   English syllables

  • mimetite — /ˈmɪmətaɪt/ (say mimuhtuyt), /ˈmaɪmə / (say muymuh ) noun a mineral, lead chloroarsenate, Pb5As3O12Cl, occurring in yellow to brown prismatic crystals or globular masses; a minor ore of lead. {German Mimetit, from Greek mīmētēs imitator + it… …  

  • Arsenikbleispath — Mimetesit (Mimetit) Chemische Formel Pb5[Cl|(AsO4)3] Mineralklasse Phosphate, Arsenate, Vanadate 8.BN.05 (8. Aufl.: VII/B.39 160) (nach Strunz) 41.8.4.2 (nach Dan …   Deutsch Wikipedia

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