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Creedite is a calcium aluminium sulfate fluoro hydroxide mineral with formula: Ca3Al2SO4(F,OH)10·2(H2O). Creedite forms colorless to white to purple monoclinic prismatic crystals. It often occurs as acicular radiating sprays of fine prisms. It is translucent to transparent with indices of refraction of nα = 1.461 nβ = 1.478 nγ = 1.485. It has a Mohs hardness of 3.5 to 4 and a specific gravity of 2.7. Creedite was first described in 1916 from the Creede Quadrangle in Mineral County, Colorado. It is a product of intense oxidation of ore deposits.

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rdf:type
rdfs:label
  • Creedite (en)
  • Creedita (ca)
  • Creedit (cs)
  • Creedit (de)
  • Creedita (es)
  • Creedita (eu)
  • Creedite (it)
  • Creedite (fr)
  • クリード石 (ja)
  • Creediet (nl)
  • Кридит (ru)
  • Кридит (uk)
  • 氟铝石膏 (zh)
rdfs:comment
  • La creedita és un mineral de la classe dels halurs. Rep el seu nom de l'indret on va ser descoberta, la ciutat de Creede a Colorado. (ca)
  • Creedit je minerál složený z vápníku, hliníku, síry, fluoru, vodíku a kyslíku se vzorcem Ca3Al2SO4(F,OH)10·2(H2O). Na Mohsově stupnici tvrdosti je hodnocen 3,5 až 4. Poprvé byl popsán v roce 1916 v Coloradu. Vzniká oxidací uložených rud. (cs)
  • Creedite is a calcium aluminium sulfate fluoro hydroxide mineral with formula: Ca3Al2SO4(F,OH)10·2(H2O). Creedite forms colorless to white to purple monoclinic prismatic crystals. It often occurs as acicular radiating sprays of fine prisms. It is translucent to transparent with indices of refraction of nα = 1.461 nβ = 1.478 nγ = 1.485. It has a Mohs hardness of 3.5 to 4 and a specific gravity of 2.7. Creedite was first described in 1916 from the Creede Quadrangle in Mineral County, Colorado. It is a product of intense oxidation of ore deposits. (en)
  • La creedita o belyankita es un mineral de la clase de los minerales haluros. Fue descubierto en 1916, nombrándolo por la localidad donde se encontró, Creede, en el Condado de Mineral (Colorado) (EE. UU.). (es)
  • Creedita mineral bat da. (eu)
  • La creedite est une espèce minérale formée de sulfate de calcium et d'aluminium, d'ions hydroxyde et fluorure de formule : Ca3Al2SO4(F,OH)10.2H2O. Certains cristaux pouvant atteindre 8 cm. (fr)
  • La creedite è un minerale incolore, violetto o bianco, anche se spesso assume colore marrone-arancio a causa di impurezze presenti all'interno o esterno dei suoi cristalli. Prende il suo nome dalla località di Creede in Colorado, dove è stata rinvenuta. (it)
  • Het mineraal creediet is een gehydrateerd calcium-aluminium-sulfaat-fluoride met de chemische formule Ca3Al2(SO4)F7,5(OH)2,5·2(H2O). Het behoort tot de groep van de halogenides. (nl)
  • クリード石(クリードせき、Creedite)はハロゲン化鉱物の1つである。蛍石や重晶石の産するような熱水鉱床の上部に産する。短柱状の先の尖った結晶になるが、白色、茶色のものが多く、紫色のものはまれである。 (ja)
  • Кридит — минерал, сложный фторид кальция и алюминия. (ru)
  • Кридит (рос. кридит; англ. creedite; нім. Creedit m) — мінерал, водний флуоросульфат кальцію і алюмінію координаційної будови. Вперше знайдений поблизу містечка Крид у штаті Колорадо (США). (uk)
  • 氟铝石膏(英語:Creedite)是一种钙铝氟硫酸盐矿物,化学式为Ca3Al2SO4(F,OH)10·2H2O。氟铝石膏为无色至白色或紫色单斜柱状晶体。通常为发射状棱镜,呈透明至半透明,折射率为nα = 1.461 nβ = 1.478 nγ = 1.485。莫氏硬度为3.5至4,密度为2.7。 (zh)
  • Creedit ist ein selten vorkommendes Mineral aus der Mineralklasse der „Halogenide“ mit der chemischen Zusammensetzung Ca3[Al2(F,OH)10|SO4]·2H2O und damit chemisch gesehen ein wasserhaltiges Calcium- mit zusätzlichen Sulfationen. Die in den runden Klammern angegebenen Fluor- bzw. Hydroxidionen können sich in der Formel jeweils gegenseitig vertreten (Substitution, Diadochie), stehen jedoch immer im selben Mengenverhältnis zu den anderen Bestandteilen des Minerals. (de)
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  • Creedite (en)
name
  • Creedite (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Creedite-280276.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Creedite_3.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Creedite_3_photo_fond.jpg
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