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Eveite

Big Photo

Långban, Filipstad, Värmland, Sweden
© Knut Eldjarn

Show Eveite Photos (4)
Formula:
Mn
2+
2
[OH|AsO
 
4
]
System:OrthorhombicColour:apple green, pale yellow
Hardness:3½ - 4
Name:
Named for the biblical Eve, in comparison to the isostructural adamite.
Dimorph of:Sarkinite
Isostructural with:Adamite


Olivenite Group.

Classification of Eveite

IMA status:Approved 1966
Strunz 8th edition ID:7/B.06-40
Nickel-Strunz 10th (pending) edition ID:8.BB.30

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
Dana 8th edition ID:41.6.6.4

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq
Hey's CIM Ref.:20.8.2

20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn
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Type Occurrence of Eveite

Type Locality:Långban, Filipstad, Värmland, Sweden
Year of Discovery:1967

Occurrences of Eveite

Geological Setting:Metamorphosed Mn orebody, stratiform zinc ores.

Physical Properties of Eveite

Diaphaneity (Transparency):Transparent
Colour:apple green, pale yellow
Streak:white
Hardness (Mohs):3½ - 4
Cleavage:Imperfect/Fair
fair on {101}
Density (measured):3.67 g/cm3
Density (calculated):3.75 g/cm3

Crystallography of Eveite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pnnm {P21/n 21/n 2/m}
Space Group Setting:Pnnm
Cell Parameters:a = 8.57(1) Å, b = 8.77(1) Å, c = 6.27(1) Å
Ratio:a:b:c = 0.977 : 1 : 0.715
Unit Cell Volume:V 471.25 ų (Calculated from Unit Cell)
Z:4
Morphology:Thick tabular, usually composite, barrel-shaped, sheaflike to 2mm

Optical Data of Eveite

Type:Biaxial (+)
RI values: nα = 1.700(5) nβ = 1.715(5) nγ = 1.732(10)
2V:Measured: 65° , Calculated: 88°
Maximum Birefringence:δ = 0.032

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:relatively strong r < v
Pleochroism:Visible
Comments:X=Z= green
Y= yellow

Chemical Properties of Eveite

Formula:
Mn
2+
2
[OH|AsO
 
4
]
Essential elements:As, H, Mn, O
All elements listed in formula:As, H, Mn, O

Relationship of Eveite to other Species

Member of Group:
Olivenite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
8.BB.05Amblygonite
(Li,Na)Al[(F,OH)|PO
 
4
]
8.BB.05Montebrasite
LiAl[(OH,F)|PO
 
4
]
8.BB.05Tavorite
LiFe
3+
 
[OH|PO
 
4
]
8.BB.10Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
[(F,OH)|PO
 
4
]
8.BB.10Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
[F|PO
 
4
]
8.BB.15Sarkinite
Mn
2+
2
[OH|AsO
 
4
]
8.BB.15Triploidite
(Mn
2+
 
,Fe
2+
 
)
 
2
[OH|PO
 
4
]
8.BB.15Wagnerite
(Mg,Fe
2+
 
)
 
2
[F|PO
 
4
]
8.BB.15Wolfeite
(Fe
2+
 
,Mn
2+
 
)
 
2
[OH|PO
 
4
]
8.BB.15Stanĕkite
Fe
3+
 
(Mn
2+
 
,Fe
2+
 
,Mg)[O|PO
 
4
]
8.BB.15Joosteite
Mn
2+
 
(Mn
3+
 
,Fe
3+
 
)[PO
 
4
]O
8.BB.15Hydroxylwagnerite
Mg
 
2
[PO
 
4
](OH)
8.BB.20Holtedahlite
Mg
 
2
[OH|PO
 
4
]
8.BB.20Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
[(OH,O)|PO
 
4
]
8.BB.25Althausite
Mg
 
2
[(OH,F)|PO
 
4
]
8.BB.30Adamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.30Libethenite
Cu
 
2
[OH|PO
 
4
]
8.BB.30Olivenite
Cu
 
2
[OH|AsO
 
4
]
8.BB.30Zincolibethenite
CuZnPO
 
4
OH
8.BB.30Zincolivenite
CuZn(AsO
 
4
)(OH)
8.BB.30IMA2009-037
Fe
3+
 
Cu
2+
 
(As,Sb)O
 
4
O
8.BB.35Paradamite
Zn
 
2
[OH|AsO
 
4
]
8.BB.35Tarbuttite
Zn
 
2
[OH|PO
 
4
]
8.BB.40Barbosalite
Fe
2+
 
Fe
3+
2
[OH|PO
 
4
]
 
2
8.BB.40Hentschelite
CuFe
3+
2
[OH|PO
 
4
]
 
2
8.BB.40Lazulite
(Mg,Fe
2+
 
)Al
 
2
[OH|PO
 
4
]
 
2
8.BB.40Scorzalite
(Fe
2+
 
,Mg)Al
 
2
[OH|PO
 
4
]
 
2
8.BB.40Wilhelmkleinite
ZnFe
3+
2
[OH|AsO
 
4
]
 
2
8.BB.45Trolleite
Al
 
4
[OH|PO
 
4
]
 
3
8.BB.50Namibite
Cu(BiO)
 
2
(VO
 
4
)(OH)
8.BB.55Phosphoellenbergerite
Mg
 
14
[(OH)
 
6
|(HPO
 
4
,CO
 
3
)
 
2
|(PO
 
4
)
 
6
]
8.BB.60Urusovite
Cu[AlAsO
 
5
]
8.BB.65Theoparacelsite
Cu
 
3
[(OH)
 
2
|As
 
2
O
 
7
]
8.BB.70Turanite
Cu
 
5
[(OH)
 
2
|VO
 
4
]
 
2
8.BB.75Stoiberite
Cu
 
5
[O
 
2
|(VO
 
4
)
 
2
]
8.BB.80Fingerite
Cu
 
11
[O
 
2
|(VO
 
4
)
 
6
]
8.BB.85Averievite
Cu
 
6
[O
 
2
|Cl
 
2
|(VO
 
4
)
 
2
]
8.BB.90Lipscombite
(Fe
2+
 
,Mn
2+
 
)Fe
3+
2
[OH|PO
 
4
]
 
2
8.BB.90Richellite
Ca
 
3
Fe
3+
10
[(OH,F)
 
3
|(PO
 
4
)
 
2
]
 
4
 · nH
 
2
O (not confirmed)
8.BB.90Zinclipscombite
ZnFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
20.8.1Sarkinite
Mn
2+
2
[OH|AsO
 
4
]
20.8.3Arsenoclasite
Mn
2+
5
[(OH)
 
2
|AsO
 
4
]
 
2
20.8.4Flinkite
Mn
2+
2
Mn
3+
 
AsO
 
4
(OH)
 
4
20.8.5Jarosewichite
Mn
 
3
MnAsO
 
4
(OH)
 
6
20.8.6Allactite
Mn
2+
7
(AsO
 
4
)
 
2
(OH)
 
8
20.8.7Krautite
MnHAsO
 
4
·H
 
2
O
20.8.8Synadelphite
Mn
2+
9
[(OH)
 
9
|As
3+
 
O
 
3
|(As
5+
 
O
 
4
)
 
2
] · 2H
 
2
O
20.8.9Sterlinghillite
Mn
 
3
(AsO
 
4
)
 
2
·4H
 
2
O
20.8.10Geigerite
Mn
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
20.8.11Akrochordite
(Mn
2+
 
,Mg)
 
5
[(OH)
 
2
|AsO
 
4
]
 
2
 · 4H
 
2
O
20.8.12Manganohörnesite
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.8.13Fluckite
CaMnH
 
2
(AsO
 
4
)
 
2
·2H
 
2
O
20.8.14Brandtite
Ca
 
2
(Mn
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.8.15Parabrandtite
Ca
 
2
Mn
2+
 
[AsO
 
4
]
 
2
 · 2H
 
2
O
20.8.16Wallkilldellite-(Mn)
Ca
 
2
Mn
2+
3
[(OH)
 
2
|AsO
 
4
]
 
2
 · 9H
 
2
O
20.8.17Berzeliite
NaCa
 
2
(Mg,Mn
2+
 
)
 
2
[AsO
 
4
]
 
3
20.8.18Manganberzeliite
(Ca,Na)
 
3
(Mn
2+
 
,Mg)
 
2
[AsO
 
4
]
 
3
20.8.19Magnesiochlorophoenicite
(Mg,Mn)
 
3
Zn
 
2
(AsO
 
4
)(OH,O)
 
6
20.8.20Villyaellenite
(Mn,Ca,Zn)
 
5
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
·4H
 
2
O
20.8.21Hematolite
(Mn,Mg,Al)
 
15
(AsO
 
3
)(AsO
 
4
)
 
2
(OH)
 
23
20.8.22Grischunite
NaCa
 
2
Mn
2+
5
Fe
3+
 
[AsO
 
4
]
 
6
 · 2H
 
2
O

Other Names for Eveite

Synonyms:
IMA1966-047
Other Languages:
German:Eveit
Russian:Эвеит
Spanish:Eveita

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 Eveite

Reference List:Moore, P. B. (1968): Eveite, Mn2(OH)(AsO4), a new mineral from Langban. Ark. Mineral. Geol., 4, 473-476.

American Mineralogist: 53: 1841-1845.

American Mineralogist: 55: 319.

Internet Links for Eveite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Eveite in the Natural History Museum (London) online catalogue
  • Eveite details from Handbook of Mineralogy (PDF)
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    Localities for Eveite

    Hide Locality List
    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.
    (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.
    Sweden
     
    • Värmland
      • Filipstad
    		American Mineralogist, 55, 319 (1970); Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
    USA
     
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    		Dunn(1995):Pt5:667-668.
    Mineral and/or Locality
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