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Eveite

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Eve
Formula:
Mn22+(AsO4)(OH)
System:
Orthorhombic
Colour:
apple green, pale yellow
Hardness:
3½ - 4
Member of:
Name:
Named in 1967 by Paul Brian Moore for the Biblical Eve, in comparison to the isostructural adamite.
Dimorph of:
Isostructural with:

Classification of Eveite

Approved
Approval Year:
1966
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
41.6.6.4

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq
20.8.2

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

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:
3.67 g/cm3 (Measured)    3.75 g/cm3 (Calculated)

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°
Max Birefringence:
δ = 0.032
Image 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:
Mn22+(AsO4)(OH)
IMA Formula:
Mn22+AsO4(OH)
Elements listed in formula:

Crystallography of Eveite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnnm
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

Occurrences of Eveite

Type Occurrence of Eveite

Relationship of Eveite to other Species

Member of:
Other Members of Group:
AdamiteZn2(AsO4)(OH)
AuriacusiteFe3+Cu2+(AsO4)O
LibetheniteCu2(PO4)(OH)
OliveniteCu2(AsO4)(OH)
ZincolibetheniteCuZn(PO4)(OH)
ZincoliveniteCuZn(AsO4)(OH)
8.BB.XArsenowagneriteMg2(AsO4)F
8.BB.05AmblygoniteLiAl(PO4)F
8.BB.05MontebrasiteLiAl(PO4)(OH)
8.BB.05TavoriteLiFe3+(PO4)(OH)
8.BB.10Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
8.BB.10Zwieselite(Fe2+,Mn2+)2(PO4)F
8.BB.15SarkiniteMn22+(AsO4)(OH)
8.BB.15Triploidite(Mn2+,Fe2+)2(PO4)(OH)
8.BB.15Wagnerite(Mg,Fe2+)2(PO4)F
8.BB.15Wolfeite(Fe2+,Mn2+)2(PO4)(OH)
8.BB.15Stanĕkite(Mn2+,Fe2+,Mg)Fe3+(PO4)O
8.BB.15JoosteiteMn2+(Mn3+,Fe3+)(PO4)O
8.BB.15HydroxylwagneriteMg2(PO4)(OH)
8.BB.20HoltedahliteMg2(PO4)(OH)
8.BB.20Satterlyite(Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6
8.BB.25AlthausiteMg4(PO4)2(OH,O)(F,☐)
8.BB.30AdamiteZn2(AsO4)(OH)
8.BB.30LibetheniteCu2(PO4)(OH)
8.BB.30OliveniteCu2(AsO4)(OH)
8.BB.30ZincolibetheniteCuZn(PO4)(OH)
8.BB.30ZincoliveniteCuZn(AsO4)(OH)
8.BB.30AuriacusiteFe3+Cu2+(AsO4)O
8.BB.35ParadamiteZn2(AsO4)(OH)
8.BB.35TarbuttiteZn2(PO4)(OH)
8.BB.40BarbosaliteFe2+Fe23+(PO4)2(OH)2
8.BB.40HentscheliteCuFe23+(PO4)2(OH)2
8.BB.40Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
8.BB.40ScorzaliteFe2+Al2(PO4)2(OH)2
8.BB.40WilhelmkleiniteZnFe23+(AsO4)2(OH)2
8.BB.45TrolleiteAl4(PO4)3(OH)3
8.BB.50NamibiteCu(BiO)2(VO4)(OH)
8.BB.55Phosphoellenbergerite(Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6
8.BB.60UrusoviteCuAl(AsO4)O
8.BB.65TheoparacelsiteCu3(As2O7)(OH)2
8.BB.70TuraniteCu5(VO4)2(OH)4
8.BB.75StoiberiteCu5(VO4)2O2
8.BB.80FingeriteCu11(VO4)6O2
8.BB.85AverieviteCu6(VO4)2O2Cl2
8.BB.90LipscombiteFe2+Fe23+(PO4)2(OH)2
8.BB.90RichelliteCaFe23+(PO4)2(OH,F)2
8.BB.90ZinclipscombiteZnFe23+(PO4)2(OH)2
20.8.1SarkiniteMn22+(AsO4)(OH)
20.8.3ArsenoclasiteMn52+(AsO4)2(OH)4
20.8.4FlinkiteMn22+Mn3+(AsO4)(OH)4
20.8.5JarosewichiteMn32+Mn3+(AsO4)(OH)6
20.8.6AllactiteMn72+(AsO4)2(OH)8
20.8.7KrautiteMn(HAsO4) · H2O
20.8.8SynadelphiteMn92+(As5+O4)2(As3+O3)(OH)9 · 2H2O
20.8.9SterlinghilliteMn3(AsO4)2 · 4H2O
20.8.10GeigeriteMn52+(AsO4)2(HAsO4)2 · 10H2O
20.8.11Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
20.8.12Manganohörnesite(Mn,Mg)3(AsO4)2 · 8H2O
20.8.13FluckiteCaMn2+(HAsO4)2 · 2H2O
20.8.14BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
20.8.15ParabrandtiteCa2Mn2+(AsO4)2 · 2H2O
20.8.16WallkilldelliteCa2Mn32+(AsO4)2(OH)4 · 9H2O
20.8.17Berzeliite(NaCa2)Mg2(AsO4)3
20.8.18ManganberzeliiteNaCa2Mn22+(AsO4)3
20.8.19Magnesiochlorophoenicite(Mg,Mn)3Zn2(AsO4)(OH,O)6
20.8.20VillyaelleniteMnMn2Ca2(AsO4)2(HAsO4)2 · 4H2O
20.8.21Hematolite(Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23
20.8.22GrischuniteNaCa2Mn52+Fe3+(AsO4)6 · 2H2O

Other Names for Eveite

Name in Other Languages:
German:Eveit
Russian:Эвеит
Spanish:Eveita

Other Information

Health Risks:
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.

Y. W. Yang, R. A. Stevenson, A. M. Siegel and G. W. Downs (2011): Redetermination of eveite, Mn2AsO4(OH), based on single-crystal X-ray diffraction data. Acta Crystallogr. E67, i68.

Internet Links for Eveite

mindat.org URL:
https://www.mindat.org/min-1427.html
Please feel free to link to this page.

Localities for Eveite

This 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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • 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
        • Franklin
Cook (1973); Dunn (1995)
        • Ogdensburg
          • Sterling Hill
Dunn(1995):Pt5:667-668.
Mineral and/or Locality  
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