List of minerals W–X (complete)

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 (these are called "grandfathered" species).

The list is divided into groups:

The data was exported from mindat.org on 29 April 2005; updated up to 'IMA 2013'.

The minerals are sorted by name with the year of publication (if it's before of an IMA approval procedure), followed by 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 (Mineralogical Society of America).

W

Wavellite. Mauldin Mt., Montgomery County, Arkansas, USA.
Weloganite. Francon quarry, Montréal, Québec, Canada.
Wulfenite. Erupción Mine (Ahumada Mine; Erupción-Ahumada Mine), Los Lamentos Mts (Sierra de Los Lamentos), Municipio de Ahumada, Chihuahua, Mexico.
  1. Wadalite (1987-045) 09.AD.25
  2. Wadeite (Y: 1939) 09.CA.10 [no]
  3. Wadsleyite (1982-012) 09.BE.02
  4. Wagnerite (Y: 1821, 2003 s.p. Rd) 08.BB.15
    (IUPAC: Dimagnesium phosphate fluoride)
  5. Waimirite-(Y) (2013-108) 03.?? [no] [no]
    (IUPAC: Yttrium trifluoride)
  6. Wairakite (Y: 1955, 1997 s.p.) 09.GB.05
  7. Wairauite (1964-015) 01.AE.15
    (IUPAC: Cobalt iron alloy)
  8. Wakabayashilite (1969-024) 02.FA.40
  9. Wakefieldite 08.AD.35
    1. Wakefieldite-(Ce) (1969-001) 08.AD.35
      (IUPAC: Cerium vanadate)
    2. Wakefieldite-(La) (1989-035a) 08.AD.35 [no]
      (IUPAC: Lanthanum vanadate)
    3. Wakefieldite-(Nd) (2008-031) 08.?? [no]
      (IUPAC: Niobium vanadate)
    4. Wakefieldite-(Y) (1969-012) 08.AD.35
      (IUPAC: Yttrium vanadate)
  10. Walentaite (1983-047) 08.CH.05
  11. Walfordite (1996-003) 04.JK.05
  12. Walkerite (2001-051) 06.GB.20 [no]
  13. Wallisite (Y: 1965, 1971 s.p.) 02.GC.05
    (IUPAC: Copper lead thallium diarsenide pentasulfide)
  14. Wallkilldellite 08.DL.20
    1. Wallkilldellite (1982-084) 08.DL.20
    2. Wallkilldellite-(Fe) (1997-032) 08.DL.20 [no]
  15. Walpurgite (Y: 1871) 08.EA.05
  16. Walstromite (1964-009) 09.CA.25
  17. Walthierite (1991-008) 07.BC.10
  18. Wardite (Y: 1896) 08.DL.10
  19. Wardsmithite (1967-030) 06.HA.25
  20. Warikahnite (1978-038) 08.CA.35
    (IUPAC: Trizinc diarsenate dihydrate)
  21. Warkite (2013-129) 04.?? [no] [no]
    (IUPAC: Dicalcium hexascandium hexaaluminium icosaoxide)
  22. Warwickite (Y: 1838) 06.AB.20
  23. Wassonite (2010-074) 02.CB.??
    (IUPAC: Titanium(II) sulfide)
  24. Watanabeite (1991-025) 02.GC.15
    (IUPAC: Tetracopper diarsenide pentasulfide)
  25. Watatsumiite (2001-043) 09.EH.05 [no]
  26. Waterhouseite (2004-035) 08.BE.85 [no]
    (IUPAC: Heptamanganese diphosphate octahydroxyl)
  27. Watkinsonite (1985-024) 02.HB.20e
    (IUPAC: Lead dicopper tetrabismuth octaselenide)
  28. Wattersite (1987-030) 07.FB.15
  29. WattevilleiteQ (Y: 1879) 07.CC.85
    Note: it might be hexahydrite.
  30. Wavellite (Y: 1805, 1971 s.p.) 08.DC.50
    (IUPAC: Trialuminium diphosphate trihydroxyl pentahydrate)
  31. Wawayandaite (1988-043) 09.HA.20
  32. Waylandite (1962-003) 08.BL.13
    (IUPAC: Bismuth aluminium diphosphate hexahydroxyl)
  33. Weberite (Y: 1938) 03.CB.25
    (IUPAC: Disodium magnesium aluminium heptafluorid)
  34. Weddellite (Y: 1936) 10.AB.40
    (IUPAC: Calcium oxalate dihydrate)
  35. Weeksite (Y: 1960, 1962 s.p.) 09.AK.30
  36. Wegscheiderite (Y: 1961, 1967 s.p.) 05.AA.30
  37. Weibullite (Y: 1910, 1980 s.p. Rd) 02.JB.25h
  38. Weilerite (Y: 1962, 1987 s.p. Rd) 08.BL.05 [no] [no]
    (IUPAC: Barium trialuminium sulfate arsenate hexahydroxyl)
    Note: it is definively not a synonym of arsenogorceixite as its sulfate content is now known.
  39. Weilite (1963-006) 08.AD.10
  40. Weinebeneite (1990-049) 08.DA.20
    (IUPAC: Calcium triberillium diphosphate dihydroxyl tetrahydrate)
  41. Weishanite (1982-076) 01.AD.20a
    Chemical formula: (Au,Ag)1.2Hg0.8
  42. Weissbergite (1975-040) 02.HD.05
    (IUPAC: Thallium antimonide disulfide)
  43. Weissite (Y: 1927) 02.BA.30
    (IUPAC: Pentacopper tritelluride)
  44. Welinite (1966-002 Rd) 09.AF.75
  45. Weloganite (1967-042) 05.CC.05
    (IUPAC: Disodium strontium zirconium hexacarbonate trihydrate)
  46. Welshite (1973-019) 09.DH.40
  47. Wendwilsonite (1985-047) 08.CG.10
    (IUPAC: Dicalcium magnesium diarsenate dihydrate)
  48. Wenkite (Y: 1962, 1967 s.p.) 09.GD.25
  49. Werdingite (1988-023) 09.BD.35
  50. Wermlandite (1970-007) 07.DD.35
  51. Wernerbaurite (2012-064) 04.?? [no] [no]
  52. Wernerkrauseite (2014-008) 04.?? [no] [no] [no]
  53. Wesselsite (1994-055) 09.EA.05 [no]
  54. Westerveldite (1971-017) 02.CC.15
    (IUPAC: Iron arsenide)
  55. Wheatleyite (1984-040) 10.AB.30
    (IUPAC: Disodium copper oxalate dihydrate)
  56. Whelanite (1977-006) 09.?? [no] [no]
  57. Wherryite (Y: 1950) 07.BC.55 [no]
  58. Whewellite (Y: 1852, 1967 s.p.) 10.AB.45
    (IUPAC: Calcium oxalate monohydrate)
  59. Whitecapsite (2012-030) 07.?? [no] [no]
  60. Whiteite 08.DH.15
    1. Whiteite-(CaFeMg) (1975-001) 08.DH.15
    2. Whiteite-(CaMnMg) (1986-012) 08.DH.15
    3. Whiteite-(CaMnMn) (2011-002) 08.DH.15 [no] [no]
    4. Whiteite-(MnFeMg) (IMA 1978-A) 08.DH.15
  61. Whitlockite (Y: 1941) 08.AC.45
  62. Whitmoreite (1974-009) 08.DC.15
    (IUPAC: Iron(II) diiron(III) diphosphate dihydroxyl tetrahydrate)
  63. Wickenburgite (1968-006) 09.EG.55
  64. Wickmanite (1965-024) 04.FC.10
    (IUPAC: Manganese(II) tin(IV) hexahydroxide)
  65. Wicksite (1979-019) 08.CF.05
  66. Widenmannite (1974-008) 05.ED.40
    (IUPAC: Dilead uranate tricarbonate)
  67. Widgiemoolthalite (1992-006) 05.DA.05
  68. Wightmanite (Y: 1962, 1967 s.p.) 06.AB.55
  69. Wilcoxite (1979-070) 07.DE.45
    (IUPAC: Magnesium aluminium disulfate fluorid octadecahydrate)
  70. Wilhelmkleinite (1997-034) 08.BB.40
    (IUPAC: Zinc diiron(III) diarsenate dihydroxyl)
  71. Wilhelmramsayite (2004-033) 02.FD.40 [no]
    (IUPAC: Tricopper iron trisulfide dihydrate)
  72. Wilhelmvierlingite (1982-025) 08.DH.20
  73. Wilkinsonite (1988-053) 09.DH.40
  74. Wilkmanite (Y: 1964, 1967 s.p.) 02.D0.15
    (IUPAC: Trinickel tetraselenide)
  75. Willemite (Y: 1830) 09.AA.05
  76. Willemseite (Y: 1969, 1971 s.p.) 09.EC.05
  77. Willhendersonite (1981-030) 09.GD.10
  78. Willyamite (1969-001a, 1970 s.p. Rd) 02.EB.25
    (IUPAC: Cobalt antimonide sulfide)
  79. Wiluite (1997-026) 09.BG.35 [no]
  80. Winchite (Y: 1906, 2012 s.p. Rd) 09.DE.20
  81. Windhoekite (2010-083) 09.EE.20 [no] [no]
  82. Winstanleyite (1979-001) 04.JK.05
  83. Wiserite (Y: 1845) 06.BA.20
  84. Witherite (Y: 1784) 05.AB.15
    (IUPAC: Barium carbonate)
  85. Wittichenite (Y: 1853) 02.GA.20
    (IUPAC: Tricopper bismuth sulfide)
  86. WittiteQ (Y: 1924) 02.JB.20
    Note: possibly Se-rich cannizzarite.
  87. Witzkeite (2011-084) 07.?? [no] [no]
  88. Wodginite (Y: 1963, 1967 s.p.) 04.DB.40
  89. Wöhlerite (Y: 1843) 09.BE.17
  90. Wolfeite (Y: 1949) 08.BB.15
    (IUPAC: Diiron(II) phosphate hydroxyl)
  91. Wollastonite (Y: 1818, 1962 s.p.) 09.DG.05
  92. Wölsendorfite (Y: 1957) 04.GB.30
  93. Wonesite (1979-007a) 09.EC.20
  94. Woodallite (2000-042) 04.FL.05
  95. Woodhouseite (Y: 1937, 1987 s.p. Rd) 08.BL.05
  96. Woodruffite (Y: 1953) 04.FL.25
  97. Woodwardite (Y: 1866) 07.DD.35
  98. Wooldridgeite (1997-037) 08.FC.25
  99. Wopmayite (2011-093) 08.?? [no] [no]
    Chemical formula: Ca6Na3☐Mn(PO4)3(PO3OH)4
  100. Wroewolfeite (1973-064) 07.DD.10
    (IUPAC: Tetracopper sulfate hexahydroxyl dihydrate)
  101. Wulfenite (Y: 1845) 07.GA.05
    (IUPAC: Lead molydenum tetraoxide)
  102. Wulffite (2013-035) 07.?? [no]
    (IUPAC: Tripotassium sodium tetracopper dioxy tetrasulfate)
  103. Wülfingite (1983-070) 04.FA.10
    (IUPAC: Zinc dihydroxide)
  104. Wupatkiite (1994-019) 07.CB.85
    (IUPAC: Cobalt dialuminium tetrasulfate docosahydrate)
  105. Wurtzite (Y: 1861) 02.CB.45
    (IUPAC: Zinc sulfide)
  106. Wüstite (Y: 1927) 04.AB.25
    (IUPAC: Iron(II) oxide)
  107. Wyartite (Y: 1959, 1962 s.p.) 05.EA.15
  108. Wycheproofite (1993-024) 08.DJ.30
    (IUPAC: Sodium aluminium zirconium diphosphate dihydroxyl monohydrate)
  109. Wyllieite (1972-015) 08.AC.15

X

Xonotlite on Inesite. Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa.
  1. Xanthiosite (Y: 1858, 1965 s.p. Rd) 08.AB.25
    (IUPAC: Trinickel diarsenate)
  2. Xanthoconite (Y: 1840) 02.GA.10
    (IUPAC: Trisilver arsenite trisulfide)
  3. Xanthoxenite (Y: 1920, 1975-004a Rd) 08.DH.40
    (IUPAC: Dicalcium diiron(III) tetraphosphate dihydroxyl trihydrate)
  4. Xenophyllite (2006-006) 08.AC.50 [no]
    (IUPAC: Tetrasodium heptairon hexaphosphate)
  5. Xenotime 08.AD.35
    1. Xenotime-(Y) (Y: 1832, 1987 s.p.) 08.AD.35
      (IUPAC: Yttrium phosphate)
    2. Xenotime-(Yb) (1998-049) 08.AD.35 [no]
      (IUPAC: Ytterbium phosphate)
  6. Xiangjiangite (Y: 1978, 1982 s.p.) 08.EB.05
  7. Xieite (2007-056) 04.BB.25 [no]
    (IUPAC: Iron(II) chromate)
  8. Xifengite (1983-086) 01.BB.40
    (IUPAC: Pentairon trisilicide)
  9. Xilingolite (1982-024) 02.JB.40a
    (IUPAC: Trilead dibismuth hexasulfide)
  10. Ximengite (1985-004) 08.AD.45
    (IUPAC: Bismuth phosphate)
  11. XingzhongiteQ (Y: 1976) 02.DA.05
    (IUPAC: Iron(III) sulfate chloride hexahydrate)
    Note: possibly cuproiridsite.
  12. Xitieshanite (1982-044) 07.DC.20
  13. Xocolatlite (2007-020) 07.DF.85 [no]
  14. Xocomecatlite (1974-048) 07.BB.50
    (IUPAC: Tricopper tellurate tetrahydroxyl)
  15. Xonotlite, mineral and group (Y: 1866) 09.DG.35

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