Eveite
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Formula:
Mn2+2(AsO4)(OH)
Colour:
apple green, pale yellow
Hardness:
3½ - 4
Specific Gravity:
3.67
Crystal System:
Orthorhombic
Member of:
Name:
Named in 1967 by Paul Brian Moore for the Biblical Eve, in comparison to the isostructural adamite.
Type Locality:
Dimorph of:
Isostructural with:
Classification of Eveite
Approved
Approval Year:
1966
7/B.06-40
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
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
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
20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn
Physical Properties of Eveite
Transparency:
Transparent
Colour:
apple green, pale yellow
Streak:
white
Hardness:
3½ - 4 on Mohs scale
Cleavage:
Imperfect/Fair
fair on {101}
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.
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
relatively strong r < v
Pleochroism:
Visible
Comments:
X=Z= green
Y= yellow
Y= yellow
Chemical Properties of Eveite
Formula:
Mn2+2(AsO4)(OH)
IMA Formula:
Mn2+2AsO4(OH)
Elements listed:
Crystallography of Eveite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnnm
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 V:
471.25 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Thick tabular, usually composite, barrel-shaped, sheaflike to 2mm
Type Occurrence of Eveite
Synonyms of Eveite
Other Language Names for Eveite
Relationship of Eveite to other Species
Member of:
Other Members of this group:
Adamite | Zn2(AsO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Auriacusite | Fe3+Cu2+(AsO4)O | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Libethenite | Cu2(PO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Olivenite | Cu2(AsO4)(OH) | Mon. 2/m : P21/m |
Unnamed (Sb-analogue of Auriacusite) | Fe3+Cu2+(Sb,AsO4)O | |
Zincolibethenite | CuZn(PO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Zincolivenite | CuZn(AsO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Common Associates
Associated Minerals Based on Photo Data:
Akrochordite | 6 photos of Eveite associated with Akrochordite on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
8.BB.X | Arsenowagnerite | Mg2(AsO4)F | Mon. 2/m : P21/b |
8.BB.05 | Amblygonite | LiAl(PO4)F | Tric. 1 : P1 |
8.BB.05 | Montebrasite | LiAl(PO4)(OH) | Tric. 1 : P1 |
8.BB.05 | Tavorite | LiFe3+(PO4)(OH) | Tric. 1 : P1 |
8.BB.10 | Triplite | (Mn2+,Fe2+)2(PO4)(F,OH) | Mon. 2/m |
8.BB.10 | Zwieselite | (Fe2+,Mn2+)2(PO4)F | Mon. 2/m : P21/b |
8.BB.15 | Sarkinite | Mn2+2(AsO4)(OH) | Mon. 2/m : P2/m |
8.BB.15 | Triploidite | (Mn2+,Fe2+)2(PO4)(OH) | Mon. 2/m : P2/b |
8.BB.15 | Wagnerite | (Mg,Fe2+)2(PO4)F | Mon. 2/m : P21/b |
8.BB.15 | Wolfeite | (Fe2+,Mn2+)2(PO4)(OH) | Mon. 2/m : P21/b |
8.BB.15 | Stanĕkite | (Mn2+,Fe2+,Mg)Fe3+(PO4)O | Mon. |
8.BB.15 | Joosteite | Mn2+(Mn3+,Fe3+)(PO4)O | Mon. 2/m |
8.BB.15 | Hydroxylwagnerite | Mg2(PO4)(OH) | Mon. 2/m : P21/b |
8.BB.20 | Holtedahlite | Mg2(PO4)(OH) | Trig. 3m : P3 1m |
8.BB.20 | Satterlyite | (Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6 | Trig. 3m (3 2/m) : P3 1m |
8.BB.25 | Althausite | Mg4(PO4)2(OH,O)(F,☐) | Orth. mmm (2/m 2/m 2/m) : Pnma |
8.BB.30 | Adamite | Zn2(AsO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
8.BB.30 | Libethenite | Cu2(PO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
8.BB.30 | Olivenite | Cu2(AsO4)(OH) | Mon. 2/m : P21/m |
8.BB.30 | Zincolibethenite | CuZn(PO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
8.BB.30 | Zincolivenite | CuZn(AsO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
8.BB.30 | Auriacusite | Fe3+Cu2+(AsO4)O | Orth. mmm (2/m 2/m 2/m) : Pnnm |
8.BB.35 | Paradamite | Zn2(AsO4)(OH) | Tric. 1 : P1 |
8.BB.35 | Tarbuttite | Zn2(PO4)(OH) | Tric. 1 : P1 |
8.BB.40 | Barbosalite | Fe2+Fe3+2(PO4)2(OH)2 | Mon. 2/m : P21/b |
8.BB.40 | Hentschelite | CuFe3+2(PO4)2(OH)2 | Mon. |
8.BB.40 | Lazulite | (Mg,Fe2+)Al2(PO4)2(OH)2 | Mon. 2/m : P21/b |
8.BB.40 | Scorzalite | Fe2+Al2(PO4)2(OH)2 | Mon. 2/m : P21/b |
8.BB.40 | Wilhelmkleinite | ZnFe3+2(AsO4)2(OH)2 | Mon. |
8.BB.45 | Trolleite | Al4(PO4)3(OH)3 | Mon. 2/m : B2/b |
8.BB.50 | Namibite | Cu(BiO)2(VO4)(OH) | Tric. 1 : P1 |
8.BB.55 | Phosphoellenbergerite | (Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6 | Hex. |
8.BB.60 | Urusovite | CuAl(AsO4)O | Mon. |
8.BB.65 | Theoparacelsite | Cu3(As2O7)(OH)2 | Orth. |
8.BB.70 | Turanite | Cu5(VO4)2(OH)4 | Tric. 1 : P1 |
8.BB.75 | Stoiberite | Cu5(VO4)2O2 | Mon. |
8.BB.80 | Fingerite | Cu11(VO4)6O2 | Tric. 1 : P1 |
8.BB.85 | Averievite | Cu6(VO4)2O2Cl2 | Trig. |
8.BB.90 | Lipscombite | Fe2+Fe3+2(PO4)2(OH)2 | Tet. |
8.BB.90 | Richellite | CaFe3+2(PO4)2(OH,F)2 | Amor. |
8.BB.90 | Zinclipscombite | ZnFe3+2(PO4)2(OH)2 | Tet. 4 2 2 : P43 21 2 |
Related Minerals - Dana Grouping (8th Ed.)
41.6.6.1 | Olivenite | Cu2(AsO4)(OH) | Mon. 2/m : P21/m |
41.6.6.2 | Libethenite | Cu2(PO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
41.6.6.3 | Adamite | Zn2(AsO4)(OH) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Related Minerals - Hey's Chemical Index of Minerals Grouping
20.8.1 | Sarkinite | Mn2+2(AsO4)(OH) | Mon. 2/m : P2/m |
20.8.3 | Arsenoclasite | Mn2+5(AsO4)2(OH)4 | Orth. |
20.8.4 | Flinkite | Mn2+2Mn3+(AsO4)(OH)4 | Orth. |
20.8.5 | Jarosewichite | Mn2+3Mn3+(AsO4)(OH)6 | Orth. 2 2 2 |
20.8.6 | Allactite | Mn2+7(AsO4)2(OH)8 | Mon. 2/m : P21/b |
20.8.7 | Krautite | Mn(HAsO4) · H2O | Mon. 2 : P21 |
20.8.8 | Synadelphite | Mn2+9(As5+O4)2(As3+O3)(OH)9 · 2H2O | Orth. mmm (2/m 2/m 2/m) : Pnma |
20.8.9 | Sterlinghillite | Mn3(AsO4)2 · 4H2O | Tric. 1 : P1 |
20.8.10 | Geigerite | Mn2+5(AsO4)2(HAsO4)2 · 10H2O | Tric. |
20.8.11 | Akrochordite | (Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O | Mon. 2/m : P21/b |
20.8.12 | Manganohörnesite | (Mn,Mg)3(AsO4)2 · 8H2O | Mon. 2/m : P2/m |
20.8.13 | Fluckite | CaMn2+(HAsO4)2 · 2H2O | Tric. 1 : P1 |
20.8.14 | Brandtite | Ca2(Mn2+,Mg)(AsO4)2 · 2H2O | Mon. 2/m : P21/b |
20.8.15 | Parabrandtite | Ca2Mn2+(AsO4)2 · 2H2O | Tric. |
20.8.16 | Wallkilldellite | Ca2Mn2+3(AsO4)2(OH)4 · 9H2O | Hex. |
20.8.17 | Berzeliite | (NaCa2)Mg2(AsO4)3 | Iso. m3m (4/m 3 2/m) : Ia3d |
20.8.18 | Manganberzeliite | NaCa2Mn2+2(AsO4)3 | Iso. m3m (4/m 3 2/m) : Ia3d |
20.8.19 | Magnesiochlorophoenicite | (Mg,Mn)3Zn2(AsO4)(OH,O)6 | Mon. 2/m : B2/m |
20.8.20 | Villyaellenite | MnMn2Ca2(AsO4)2(HAsO4)2 · 4H2O | Mon. 2/m : B2/b |
20.8.21 | Hematolite | (Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23 | Trig. 3 : R3 |
20.8.22 | Grischunite | NaCa2Mn2+5Fe3+(AsO4)6 · 2H2O | Orth. |
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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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
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Localities for Eveite
Locality List




All localities listed without proper references should be considered as questionable.
Sweden (TL) | |
| 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 | |
| Cook (1973); Dunn (1995) |
| Dunn(1995):Pt5:667-668. |
Långban, Filipstad, Värmland, Sweden