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Haapalaite

Formula:
(Fe
2+
 
,Ni)
 
2
(Mg,Fe
2+
 
)
 
1.61
[(OH)
 
3.22
|S
 
2
]
System:HexagonalColour:Bronze-red to light brown
Lustre:MetallicHardness:1
Name:Named for Paavo Haapala (1906-), Finnish geologist
This page provides mineralogical data about Haapalaite.

Classification of Haapalaite

IMA status:Approved
Strunz 8th edition ID:2/C.23-30
Nickel-Strunz 10th (pending) edition ID:2.FD.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
D : With O, OH, H2O
Dana 7th edition ID:2.14.3.1
Dana 8th edition ID:2.14.3.1

2 : SULFIDES
14 : Hydroxysulfides and Hydrated Sulfides
Hey's CIM Ref.:4.9

4 : Oxysulphides
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Type Occurrence of Haapalaite

Type Locality:Kokka Ni deposit, Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field, Itä-Suomen Lääni, Finland
Year of Discovery:1973

Physical Properties of Haapalaite

Lustre:Metallic
Colour:Bronze-red to light brown
Hardness (Mohs):1

Crystallography of Haapalaite

Crystal System:Hexagonal
Cell Parameters:a = 3.64Å, c = 34.02Å
Ratio:a:c = 1 : 9.346
Unit Cell Volume:V 390.36 ų (Calculated from Unit Cell)

Chemical Properties of Haapalaite

Formula:
(Fe
2+
 
,Ni)
 
2
(Mg,Fe
2+
 
)
 
1.61
[(OH)
 
3.22
|S
 
2
]
Essential elements:Fe, H, Mg, O, S
All elements listed in formula:Fe, H, Mg, Ni, O, S
Common Impurities:Cu,Co,Ca,Al

Relationship of Haapalaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.FD.UKI-2004-(OS:BiCuPb)
PbCu
 
4
Bi
 
4
S
 
2
O
 
16
 (?)
2.FD.05Kermesite
Sb
 
2
S
 
2
O
2.FD.10Viaeneite
(Fe,Pb)
 
4
S
 
8
O
2.FD.20Erdite
NaFeS
 
2
·2H
 
2
O
2.FD.25Coyoteite
NaFe
 
3
S
 
5
·2H
 
2
O
2.FD.30Valleriite
(Fe
2+
 
,Cu)
 
4
(Mg,Al)
 
3
[(OH,O)
 
6
|S
 
4
]
2.FD.30Yushkinite
(Mg,Al)[(OH)
 
2
 (VS
 
2
)
2.FD.35Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
[(OH)
 
10
|S
 
6
]
2.FD.40Wilhelmramsayite
Cu
 
3
FeS
 
3
·2H
 
2
O
2.FD.45Vyalsovite
FeCaAl[(OH)
 
5
|S]
2.FD.50Bazhenovite
Ca
 
8
[(OH)
 
12
|S
 
2
O
 
3
|S
 
5
] · 20H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
4.1Bazhenovite
Ca
 
8
[(OH)
 
12
|S
 
2
O
 
3
|S
 
5
] · 20H
 
2
O
4.2Kermesite
Sb
 
2
S
 
2
O
4.3Sarabauite
CaSb
 
10
O
 
10
S
 
6
4.4Schöllhornite
Na
 
0.3
CrS
 
2
·H
 
2
O
4.5Yushkinite
(Mg,Al)[(OH)
 
2
 (VS
 
2
)
4.6Vyalsovite
FeCaAl[(OH)
 
5
|S]
4.7Valleriite
(Fe
2+
 
,Cu)
 
4
(Mg,Al)
 
3
[(OH,O)
 
6
|S
 
4
]
4.8Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
[(OH)
 
10
|S
 
6
]
4.10Apuanite
Fe
2+
 
Fe
3+
4
Sb
3+
4
O
 
12
S
4.11Versiliaite
Fe
 
2
Fe
 
4
Sb
 
6
O
 
16
S

Other Names for Haapalaite

Synonyms:
IMA1972-021
Other Languages:
German:Haapalait
Spanish:Haapalaita

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 Haapalaite

Reference List:American Mineralogist: 58: 1111-1112.

Internet Links for Haapalaite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    Localities for Haapalaite

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