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Haapalaite

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Formula:
(Fe
2+
 
,Ni)
 
2
(Mg,Fe
2+
 
)
 
1.61
S
 
2
(OH)
 
3.22
System:HexagonalColour:Bronze-red to light brown
Lustre:MetallicHardness:1
Member of:Valleriite Group
Name:Named for Paavo Haapala (1906-), Finnish geologist


Valleriite Group.

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
Geological Setting of type material:Serpentines
Associated Minerals at type locality:
PentlanditeMaucheriteMagnetiteLizarditeChromite
ChalcopyriteCalcite

Physical Properties of Haapalaite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Bronze-red to light brown
Hardness (Mohs):1
Hardness (Vickers):VHN3=9 - 11 kg/mm2
Density (calculated):3.57 g/cm3

Crystallography of Haapalaite

Crystal System:Hexagonal
Cell Parameters:a = 3.64(2) Å, c = 34.02(2) Å
Ratio:a:c = 1 : 9.346
Unit Cell Volume:V 390.36 ų (Calculated from Unit Cell)
Morphology:Thin scales

Optical Data of Haapalaite

Type:Anisotropic
Anisotropism:Very strong - bronze-gray to grayish white
Colour in reflected light:Brown
Pleochroism:Visible
Comments:Light brown to grayish brown

Chemical Properties of Haapalaite

Formula:
(Fe
2+
 
,Ni)
 
2
(Mg,Fe
2+
 
)
 
1.61
S
 
2
(OH)
 
3.22
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

Member of:Valleriite Group
Other Members of Group:

- +
Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
S
 
6
(OH)
 
10
Valleriite
(Fe
2+
 
,Cu)
 
4
(Mg,Al)
 
3
S
 
4
(OH,O)
 
6
Yushkinite
(Mg,Al)V
4+
 
S
 
2
(OH)
 
2
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
S
 
4
(OH,O)
 
6
2.FD.30Yushkinite
(Mg,Al)V
4+
 
S
 
2
(OH)
 
2
2.FD.35Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
S
 
6
(OH)
 
10
2.FD.40Wilhelmramsayite
Cu
 
3
FeS
 
3
·2H
 
2
O
2.FD.45Vyalsovite
FeCaAlS(OH)
 
5
2.FD.50Bazhenovite
Ca
 
8
S
 
2
(S
 
3
)(S
 
2
O
 
3
)(OH)
 
12
 · 20H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
4.1Bazhenovite
Ca
 
8
S
 
2
(S
 
3
)(S
 
2
O
 
3
)(OH)
 
12
 · 20H
 
2
O
4.2Kermesite
Sb
 
2
S
 
2
O
4.3Sarabauite
CaSb
3+
10
S
 
6
O
 
10
4.4Schöllhornite
Na
 
0.3
CrS
 
2
 · H
 
2
O
4.5Yushkinite
(Mg,Al)V
4+
 
S
 
2
(OH)
 
2
4.6Vyalsovite
FeCaAlS(OH)
 
5
4.7Valleriite
(Fe
2+
 
,Cu)
 
4
(Mg,Al)
 
3
S
 
4
(OH,O)
 
6
4.8Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
S
 
6
(OH)
 
10
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

Search Engines:
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    • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Haapalaite details from Handbook of Mineralogy (PDF)
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    • Localities for Haapalaite

    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
     
    • Tasmania
      • Zeehan district
    		Bottrill & Sorrell 2007
    Finland
     
    • Itä-Suomen Lääni
      • Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field
    		Bul. Geol. Soc. Fin. 45 (1973)
    Japan
     
    • Honshu Island
      • Chubu Region
        • Gifu Prefecture
    		Matsubara et al (1991) Chigaku Kenkyu, 40, 127-133.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 18th Jun 2011 13:50:33
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