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Wupatkiite

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Cameron, Cameron District, Coconino Co., Arizona, USA
© DV Minerals

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Formula:
(Co,Mg,Ni)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
System:MonoclinicColour:Light pink, pink-red
Lustre:SilkyHardness:1½ - 2
Member of:Halotrichite Group
Name:
For the prehistoric Wupatki pueblo dwelling near the locality.


Halotrichite Group

Classification of Wupatkiite

IMA status:Approved 1994
Strunz 8th edition ID:6/C.12-12
Nickel-Strunz 10th (pending) edition ID:7.CB.85

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
Dana 8th edition ID:29.7.3.7

29 : HYDRATED ACID AND NORMAL SULFATES
7 : AB2(XO4)4·H2O
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Type Occurrence of Wupatkiite

Type Locality:Cameron, Cameron District, Coconino Co., Arizona, USA
Year of Discovery:1995

Physical Properties of Wupatkiite

Lustre:Silky
Colour:Light pink, pink-red
Streak:White
Hardness (Mohs):1½ - 2

Crystallography of Wupatkiite

Crystal System:Monoclinic
Cell Parameters:a = 6.18Å, b = 24.23Å, c = 21.2Å
β = 100.33°
Ratio:a:b:c = 0.255 : 1 : 0.875
Unit Cell Volume:V 3,123.06 ų (Calculated from Unit Cell)

Optical Data of Wupatkiite

Type:Biaxial
RI values: nα = 1.477 nγ = 1.484
Maximum Birefringence:δ = 0.007

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Wupatkiite

Formula:
(Co,Mg,Ni)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
Essential elements:Al, Co, H, O, S
All elements listed in formula:Al, Co, H, Mg, Ni, O, S

Relationship of Wupatkiite to other Species

Member of:Halotrichite Group
Other Members of Group:

- +
Apjohnite
Mn
2+
 
Al
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
Bílinite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
 · 22H
 
2
O
Dietrichite
(Zn,Fe
2+
 
,Mn
2+
 
)Al
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
Pickeringite
MgAl
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
Redingtonite
(Fe
2+
 
,Mg,Ni)(Cr,Al)
 
2
(SO
 
4
)
 
4
·22H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
7.CB.05Dwornikite
(Ni,Fe)SO
 
4
 · H
 
2
O
7.CB.05Gunningite
ZnSO
 
4
 · H
 
2
O
7.CB.05Kieserite
MgSO
 
4
 · H
 
2
O
7.CB.05Poitevinite
(Cu,Fe,Zn)SO
 
4
 · H
 
2
O
7.CB.05Szmikite
MnSO
 
4
 · H
 
2
O
7.CB.05Szomolnokite
FeSO
 
4
 · H
 
2
O
7.CB.05Cobaltkieserite
CoSO
 
4
 · H
 
2
O
7.CB.07Sanderite
MgSO
 
4
 · 2H
 
2
O
7.CB.10Bonattite
CuSO
 
4
 · 3H
 
2
O
7.CB.15Aplowite
(Co,Mn,Ni)SO
 
4
 · 4H
 
2
O
7.CB.15Boyleite
(Zn,Mg)SO
 
4
 · 4H
 
2
O
7.CB.15Ilesite
(Mn,Zn,Fe)SO
 
4
 · 4H
 
2
O
7.CB.15Rozenite
FeSO
 
4
 · 4H
 
2
O
7.CB.15Starkeyite
MgSO
 
4
 · 4H
 
2
O
7.CB.15Drobecite
CdSO
 
4
 · 4H
 
2
O
7.CB.15Cranswickite
MgSO
 
4
 · 4H
 
2
O
7.CB.20Chalcanthite
CuSO
 
4
 · 5H
 
2
O
7.CB.20Jôkokuite
MnSO
 
4
 · 5H
 
2
O
7.CB.20Pentahydrite
MgSO
 
4
 · 5H
 
2
O
7.CB.20Siderotil
FeSO
 
4
 · 5H
 
2
O
7.CB.25Bianchite
(Zn,Fe)SO
 
4
 · 6H
 
2
O
7.CB.25Chvaleticeite
(Mn,Mg)SO
 
4
 · 6H
 
2
O
7.CB.25Ferrohexahydrite
FeSO
 
4
 · 6H
 
2
O
7.CB.25Hexahydrite
MgSO
 
4
 · 6H
 
2
O
7.CB.25Moorhouseite
(Co,Ni,Mn)SO
 
4
 · 6H
 
2
O
7.CB.25Nickelhexahydrite
(Ni,Mg,Fe)SO
 
4
 · 6H
 
2
O
7.CB.30Retgersite
NiSO
 
4
 · 6H
 
2
O
7.CB.35Bieberite
CoSO
 
4
 · 7H
 
2
O
7.CB.35Boothite
CuSO
 
4
 · 7H
 
2
O
7.CB.35Mallardite
MnSO
 
4
 · 7H
 
2
O
7.CB.35Melanterite
FeSO
 
4
 · 7H
 
2
O
7.CB.35Zincmelanterite
(Zn,Cu,Fe)SO
 
4
 · 7H
 
2
O
7.CB.35Alpersite
(Mg,Cu)[SO
 
4
] · 7H
 
2
O
7.CB.40Epsomite
MgSO
 
4
 · 7H
 
2
O
7.CB.40Goslarite
ZnSO
 
4
 · 7H
 
2
O
7.CB.40Morenosite
NiSO
 
4
 · 7H
 
2
O
7.CB.45Alunogen
Al
 
2
(SO
 
4
)
 
3
 · 17H
 
2
O
7.CB.45Meta-alunogen
Al
 
2
(SO
 
4
)
 
3
 · 12H
 
2
O
7.CB.50Aluminocoquimbite
FeAl(SO
 
4
)
 
3
 · 9H
 
2
O
7.CB.55Coquimbite
Fe
 
2-x
Al
 
x
(SO
 
4
)
 
3
 · 9H
 
2
O, x ~0.5
7.CB.55Paracoquimbite
Fe
 
2
(SO
 
4
)
 
3
 · 9H
 
2
O
7.CB.55Rhomboclase
(H
 
5
O
 
2
)Fe
3+
 
(SO
 
4
)
 
2
 · 2H
 
2
O
7.CB.60Kornelite
Fe
 
2
(SO
 
4
)
 
3
 · 7H
 
2
O
7.CB.65Quenstedtite
Fe
 
2
(SO
 
4
)
 
3
 · 10H
 
2
O
7.CB.70Lausenite
Fe
 
2
(SO
 
4
)
 
3
·6H
 
2
O
7.CB.75Lishizhenite
ZnFe
 
2
(SO
 
4
)
 
4
 · 14H
 
2
O
7.CB.75Römerite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
 · 14H
 
2
O
7.CB.80Ransomite
CuFe
 
2
(SO
 
4
)
 
4
 · 6H
 
2
O
7.CB.85Apjohnite
Mn
2+
 
Al
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
7.CB.85Bílinite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
 · 22H
 
2
O
7.CB.85Dietrichite
(Zn,Fe
2+
 
,Mn
2+
 
)Al
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
7.CB.85Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
7.CB.85Pickeringite
MgAl
 
2
(SO
 
4
)
 
4
 · 22H
 
2
O
7.CB.85Redingtonite
(Fe
2+
 
,Mg,Ni)(Cr,Al)
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.90Meridianiite
MgSO
 
4
 · 11H
 
2
O

Other Names for Wupatkiite

Synonyms:
IMA1994-019
Other Languages:
German:Wupatkiit
Spanish:Wupatkiita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Wupatkiite

Reference List:

- +
Mineralogical Magazine (1995): 59: 553-556.

Mineralogical Record: 27: 394-395.

Internet Links for Wupatkiite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Wupatkiite details from Handbook of Mineralogy (PDF)
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    • Localities for Wupatkiite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Queensland
      • Mt Isa - Cloncurry area
        • Cloncurry District
    		Vic Cloete collection; Frost, Raymond L. and Locke, Ashley J. and Martens, Wayde N. (2007) Thermal analysis of halotrichites. Thermochimica Acta 459(1-2):pp. 64-72.
    Russia
     
    • Urals Region
      • Southern Urals
    		E. Shcherbakova et al. : "The rarest Cobalt-Containing Sulfates from the South Ural, Russia", 5th International Conference "Mineralogy & Museums", Paris, Sept. 5-8th 2004, Bull. de Liaison de la Soc. Franç. de Minéralogie et Cristallographie, 2004, Vol 16, N°2.
    Slovakia
     
    • Prešov Region
      • Slanské Mts
        • Červenica (Czerwenitza)
    USA
     
    • Arizona
      • Coconino Co.
        • Cameron District
    		MinMag 59:553
        • Grand Canyon National Park
          • South Rim
            • Orphan District
              • Grand Canyon Village
    		Richard Dale Collection
        • Gray Mountain area
    		Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 9.
    Mineral and/or Locality
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