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Poitevinite

Big Photo

Farbište, Poniky, Western Slovenské Rudohorie Mts, Banská Bystrica Region, Slovakia
© Laco Turecky

Show Poitevinite Photos (2)
Formula:
(Cu,Fe,Zn)SO
 
4
·H
 
2
O
System:TriclinicColour:Salmon pink
Hardness:3½
Name:Dr. Theophile Eugène Poitevin (1888–1978), Canadian mineralogist, Geological Survey of Canada.


Closely related to the (monoclinic) Kieserite Group.

Classification of Poitevinite

IMA status:Approved
Strunz 8th edition ID:6/C.01-50
Nickel-Strunz 10th (pending) edition ID:7.CB.05

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:29.6.2.4

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
Hey's CIM Ref.:25.2.27

25 : Sulphates
2 : Sulphates of Cu and Ag
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Type Occurrence of Poitevinite

Type Locality:Avoca claim, Hat Creek, Bonaparte River, Lillooet Mining Division, British Columbia, Canada
Year of Discovery:1964

Physical Properties of Poitevinite

Colour:Salmon pink
Hardness (Mohs):3½

Crystallography of Poitevinite

Crystal System:Triclinic
Cell Parameters:a = 7.09Å, b = 7.44Å, c = 7.82Å
α = 89.47°, β = 119.56°, γ = 90.45°
Ratio:a:b:c = 0.953 : 1 : 1.051
Unit Cell Volume:V 358.79 ų (Calculated from Unit Cell)

Optical Data of Poitevinite

Type:Biaxial (+)
RI values: nα = 1.626 nβ = 1.671 nγ = 1.699
2V:Measured: 75° , Calculated: 74°
Maximum Birefringence:δ = 0.073

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:weak

Chemical Properties of Poitevinite

Formula:
(Cu,Fe,Zn)SO
 
4
·H
 
2
O
Essential elements:Cu, H, O, S
All elements listed in formula:Cu, Fe, H, O, S, Zn
Common Impurities:Zn

Relationship of Poitevinite to other Species

Member of Group:
Kieserite Group:
M
2+
 
SO
 
4
·H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
7.CB.05Dwornikite
(Ni,Fe)SO
 
4
·H
 
2
O
7.CB.05Gunningite
(Zn,Mn)SO
 
4
·H
 
2
O
7.CB.05Kieserite
MgSO
 
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.15IMA2002-034
CdSO
 
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.55Coquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
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.85Wupatkiite
(Co,Mg,Ni)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.90Meridianiite
MgSO
 
4
·11H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
25.2.1Chalcocyanite
CuSO
 
4
25.2.2Bonattite
CuSO
 
4
·3H
 
2
O
25.2.3Chalcanthite
CuSO
 
4
·5H
 
2
O
25.2.4Boothite
CuSO
 
4
·7H
 
2
O
25.2.5Dolerophanite
Cu
 
2
[O|SO
 
4
]
25.2.6Antlerite
Cu
 
3
[(OH)
 
4
|SO
 
4
]
25.2.7Brochantite
Cu
 
4
[(OH)
 
6
|SO
 
4
]
25.2.8Posnjakite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · H
 
2
O
25.2.9Langite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · 2H
 
2
O
25.2.10Wroewolfeite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · 2H
 
2
O
25.2.11Kröhnkite
Na
 
2
Cu(SO
 
4
)
 
2
·2H
 
2
O
25.2.12Natrochalcite
NaCu
 
2
[OH|(SO
 
4
)
 
2
] · 2H
 
2
O
25.2.13Piypite
K
 
2
Cu
 
2
[O|(SO
 
4
)
 
2
]
25.2.14Fedotovite
K
 
2
Cu
 
3
[O|(SO
 
4
)
 
3
]
25.2.15Cyanochroite
K
 
2
Cu(SO
 
4
)
 
2
·6H
 
2
O
25.2.16Euchlorine
KNaCu
 
3
[O|(SO
 
4
)
 
3
]
25.2.17Devilline
CaCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
25.2.18Leightonite
K
 
2
Ca
 
2
Cu(SO
 
4
)
 
4
·2H
 
2
O
25.2.19Chalcoalumite
CuAl
 
4
[(OH)
 
12
|SO
 
4
] · 3H
 
2
O
25.2.20Cyanotrichite
Cu
 
4
Al
 
2
[(OH)
 
12
|SO
 
4
] · 2H
 
2
O
25.2.21Woodwardite
Cu
 
4
Al
 
2
[(OH)
 
12
|SO
 
4
] · 2-4H
 
2
O
25.2.22Campigliaite
Mn
2+
 
Cu
 
4
[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
25.2.23Guildite
CuFe
3+
 
[OH|(SO
 
4
)
 
2
] · 4H
 
2
O
25.2.24Ransomite
CuFe
 
2
(SO
 
4
)
 
4
·6H
 
2
O
25.2.26Klyuchevskite
K
 
3
Cu
 
3
(Fe
3+
 
,Al)[O|(SO
 
4
)
 
2
]
 
2
25.2.28Argentojarosite
AgFe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2

Other Names for Poitevinite

Synonyms:
IMA1963-010
Other Languages:
German:Poitevinit
Russian:Пуатвенит
Spanish:Poitevinita

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 Poitevinite

Reference List:Jambor, J.L., G.R. Lachance, and S. Courville (1964): Poitevinite, a new mineral. Canadian Mineralogist 8: 109–110.

American Mineralogist (1965): 50: 263 (abstract).

Giester, G., C.L. Lengauer, and G. Redhammer (1994): Characterization of the FeSO4•H2O−CuSO4•H2O solid-solution series, and the nature of poitevinite, (Cu,Fe)SO4•H2O. Canadian Mineralogist 32: 873-884.

Internet Links for Poitevinite

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    Localities for Poitevinite

    (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.
    Canada
     
    • British Columbia
      • Lillooet Mining Division
        • Bonaparte River
          • Hat Creek
    		Canadian Mineralogist: 8: 109-110.
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
        • Poniky
    		Pauliš, P., Ďuďa, R.: Nejzajímavější mineralogická naleziště Slovenska. Kutná Hora: Kuttna, 2002, s. 50 - 51.
    Ukraine
     
    • Crimea Oblast'
      • Simferopol area
    		A. Tischenko. Minerals of the Crimea - World of stones, 1996, #9, p. 9-18
    Mineral and/or Locality
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