page_title: List of minerals approved by IMA (W–X)
section_title: X
hierarchical_section_title: List of minerals approved by IMA (W–X) / X
caption_attribution_description: English: Xanthoconite Locality: Imiter Mine, Boumalne-Dadès, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco (Locality at mindat.org) Picture width 2 mm. Collection and photograph Christian Rewitzer This Photo was Mindat.org Photo of the Day - 28th Mar 2009 Deutsch: Xanthokon Fundort: Imiter Mine, Boumalne-Dadès, Provinz Ouarzazate, Souss-Massa-Draâ Region, Marokko (Fundort bei mindat.org)
context_page_description: This list includes those recognised minerals beginning with the letters W and X. The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date. This list contains a mixture of mineral names that have been approved since 1959 and those mineral names believed to still refer to valid mineral species.
  The list is divided into groups:
  Introduction •
  A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P–Q • R • S • T • U–V • W–X • Y–Z
  The data was exported from mindat.org on 29 April 2005; updated up to 'IMA2019'.
  The minerals are sorted by name, followed by the structural group or chemical class, the year of publication, the IMA approval and the Nickel–Strunz code. The first link is to mindat.org, the second link is to webmineral.com, and the third is to the Handbook of Mineralogy.
  Abbreviations:
  ᴰ – discredited.
  Q – questionable/ doubtful.
context_section_description: Xanthiosite (olivine: IMA1965 s.p., 1858 Rd) 8.AB.25    
  (IUPAC: trinickel diarsenate)
  Xanthoconite (Y: 1840) 2.GA.10    
  (IUPAC: trisilver trisulfa arsenide)
  Xanthoxenite (IMA1975-004a, 1920 Rd) 8.DH.40    
  (IUPAC: tetracalcium diiron(III) dihydro tetraphosphate trihydrate)
  Xenophyllite (IMA2006-006) 8.AC.50   [no] 
  (IUPAC: tetrasodium heptairon hexaphosphate)
  Xenotime (zircon) 8.AD.35 
  (IUPAC: REE phosphate)
  Xenotime-(Y) (IMA1987 s.p., 1832) 8.AD.35   
  Xenotime-(Yb) (IMA1998-049) 8.AD.35   [no]
  Xiangjiangite (IMA1982 s.p., 1978) 8.EB.05    
  (IUPAC: iron(III) tetrauranyl hydro diphosphate disulfate docosahydrate)
  Xieite (post-spinel: IMA2007-056) 4.BB.25   [no] 
  (IUPAC: iron(II) dichromium tetraoxide)
  Xifengite (silicide: IMA1983-086) 1.BB.40    
  (IUPAC: pentairon trisilicide)
  Xilingolite (lillianite: IMA1982-024) 2.JB.40a    
  (Pb₃Bi₂S₆)
  Ximengite (rhabdophane: IMA1985-004) 8.AD.45    
  (IUPAC: bismuth phosphate)
  XingzhongiteQ (spinel, linnaeite: 1976) 2.DA.05    
  Note: possibly cuproiridsite.
  Xitieshanite (IMA1982-044) 7.DC.20    
  (IUPAC: iron(III) chloro sulfate hexahydrate)
  Xocolatlite (tellurium oxysalt: IMA2007-020) 7.DF.85   [no] 
  (IUPAC: dicalcium dimanganese(IV) dodecaoxoditellurate(VI) monohydrate)
  Xocomecatlite (IMA1974-048) 7.BB.50    
  (IUPAC: tricopper tetrahydro tetraoxotellurate(VI))
  Xonotlite (y: 1866) 9.DG.35    
  (IUPAC: hexacalcium heptadecaoxohexasilicate dihydroxyl)
caption: Xanthoconite from the Imiter Mine, Boumalne-Dadès, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
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