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Lammerite

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About LammeriteHide

Franz Lammer
Formula:
Cu3(AsO4)2
a solid solution is suggested basing on the data of Filatov et al. (1984), resulting in Cu3[(AsxP1-x)O4]2 (x=0.23-0.62)
Colour:
Dark green
Hardness:
3 - 4
Specific Gravity:
5.18
Crystal System:
Monoclinic
Name:
For Franz Lammer (1914-1997), mineral collector of Leoben, Austria, who provided the first specimen.
Dimorph of:
May form a solid solution with its possible P (phosphate) analogue, 'UM1984-21-PO:AsCu'.


Classification of LammeriteHide

Approved
8.AB.30

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
B : With medium-sized cations
Dana 7th ed.:
38.3.8.1
38.3.8.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2
20.1.1

20 : Arsenates (also arsenates with phosphate, but without other anions)
1 : Arsenates of Cu

Physical Properties of LammeriteHide

Transparency:
Transparent
Colour:
Dark green
Streak:
Pale green
Hardness:
3 - 4 on Mohs scale
Density:
5.18 g/cm3 (Measured)    

Optical Data of LammeriteHide

Type:
Biaxial (+)
Dispersion:
r > v extreme

Chemical Properties of LammeriteHide

Formula:
Cu3(AsO4)2

a solid solution is suggested basing on the data of Filatov et al. (1984), resulting in Cu3[(AsxP1-x)O4]2 (x=0.23-0.62)

Crystallography of LammeriteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 5.39 Å, b = 11.64 Å, c = 5.07 Å
β = 111.73°
Ratio:
a:b:c = 0.463 : 1 : 0.436
Unit Cell V:
295.49 ų (Calculated from Unit Cell)

Type Occurrence of LammeriteHide

Synonyms of LammeriteHide

Other Language Names for LammeriteHide

German:Lammerit
Simplified Chinese:拉砷铜石
拉砷铜矿
Spanish:Lammerita
Traditional Chinese:拉砷銅石
拉砷銅礦

Common AssociatesHide

Associated Minerals Based on Photo Data:
Lavendulan15 photos of Lammerite associated with Lavendulan on mindat.org.
Lemanskiite10 photos of Lammerite associated with Lemanskiite on mindat.org.
Starovaite3 photos of Lammerite associated with Starovaite on mindat.org.
Euchlorine2 photos of Lammerite associated with Euchlorine on mindat.org.
Quartz1 photo of Lammerite associated with Quartz on mindat.org.
Kozyrevskite1 photo of Lammerite associated with Kozyrevskite on mindat.org.
Anglesite1 photo of Lammerite associated with Anglesite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.AB.BorisenkoiteCu3[(V,As)O4]2Mon. 2/m : P21/b
8.AB.05FarringtoniteMg3(PO4)2Mon. 2/m
8.AB.10FerrisickleriteLi1-x(Fe3+xFe2+1-x)PO4Orth.
8.AB.10Heterosite(Fe3+,Mn3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10LithiophiliteLiMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10NatrophiliteNaMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10Purpurite(Mn3+,Fe3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10SickleriteLi1-x(Mn3+xMn2+1-x)PO4Orth.
8.AB.10SimferiteLi(Mg,Fe3+,Mn3+)2(PO4)2Orth.
8.AB.10TriphyliteLiFe2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10KarenwebberiteNa(Fe2+,Mn2+)PO4Orth. mmm (2/m 2/m 2/m) : Pnma
8.AB.15Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2Mon. 2/m : P21/b
8.AB.15Chopinite(Mg,Fe2+)3(PO4)2Mon. 2/m : P21/b
8.AB.20BeusiteMn2+Mn2+2 (PO4)2Mon.
8.AB.20GraftoniteFe2+Fe2+2(PO4)2Mon. 2/m : P21/b
8.AB.25XanthiositeNi3(AsO4)2Mon. 2/m : P21/b
8.AB.30Lammerite-βCu3(AsO4)2Mon. 2/m : P21/b
8.AB.35McbirneyiteCu3(VO4)2Tric.
8.AB.35StranskiiteZn2Cu(AsO4)2Tric. 1 : P1
8.AB.35PseudolyonsiteCu3(VO4)2Mon. 2/m : P21/b
8.AB.40LyonsiteCu3Fe4(VO4)6Orth.

Related Minerals - Dana Grouping (8th Ed.)Hide

38.3.8.2Lammerite-βCu3(AsO4)2Mon. 2/m : P21/b
38.3.8.4PseudolyonsiteCu3(VO4)2Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.1.2OliveniteCu2(AsO4)(OH)Mon. 2/m : P21/m
20.1.3ClinoclaseCu3(AsO4)(OH)3Mon. 2/m : P21/b
20.1.4CornwalliteCu5(AsO4)2(OH)4Mon. 2/m : P21/b
20.1.5CornubiteCu5(AsO4)2(OH)4Tric. 1 : P1
20.1.6Chlorotile (of Frenzel)
20.1.7GeminiteCu(HAsO4) · H2OTric.
20.1.8EuchroiteCu2(AsO4)(OH) · 3H2OOrth. 2 2 2 : P21 21 21
20.1.9StrashimiriteCu8(AsO4)4(OH)4 · 5H2OMon.
20.1.10ArhbariteCu2Mg(AsO4)(OH)3Tric. 1 : P1
20.1.11LindackeriteCuCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
20.1.12ConichalciteCaCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
20.1.13LiroconiteCu2Al(AsO4)(OH)4 · 4H2OMon. 2/m
20.1.14CeruleiteCu2Al7(AsO4)4(OH)13 · 11.5H2OTric.
20.1.15ChenevixiteCu2Fe3+2(AsO4)2(OH)4Mon. 2/m : P21/m
20.1.16ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2OMon.

Other InformationHide

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 LammeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1982): 67: 415.
Filatov, S.K., Gaidamako, L.M., Glavatskikh, S.F., Starova, G.L., Sorokin, N.D. (1984): Exhalation lammerite Cu3[(As,P)O4]2,(Kamchatka). Doklady Akad. Nauk SSSR: 279: 197-200 (in Russian); in: Hawthorne, F.C., Dunn, P.J., Grice, J.D., Puziewicz, J., Shigley, J.E. (1989): New mineral names. American Mineralogist: 71: 847
American Mineralogist (1986): 71: 206-209.

Internet Links for LammeriteHide

Localities for LammeriteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Tyrol
    • North Tyrol
      • Inn valley
        • Brixlegg - Schwaz area
          • Brixlegg - Rattenberg
            • Geyer - Silberberg District
              • Silberberg
                • West slope ("Am Geyer")
Der Aufschluß (2006)
Bolivia (TL)
 
  • La Paz
    • Aroma Province
      • Laurani District
Tschermaks Min.Petr.Mitt. (1981) 28, 157-164; Paar, W. H., Cooper, M. A., Hawthorne, F. C., Moffatt, E., Gunter, M. E., Roberts, A. C., & Dunn, P. J. (2009). Braithwaiteite, NaCu5 (TiSb) O2 (AsO4) 4 [AsO3 (OH)] 2 (H2O) 8, a new mineral species from Laurani, Bolivia. The Canadian Mineralogist, 47(4), 947-952.
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Santa Catalina
        • Guanaco (Huanaco)
Ondruš, P., Veselovský, F, Sejkora, J., Skála, R., Pažout, R., Frýda, J., Gabašová, A., Vajdak, J. (2005): Lemanskiite, NaCaCu5(AsO4)4Cl•5H2O, a new mineral species from the Abundancia mine, Chile. Can. Mineral. 44, 523-531.
U. Kolitsch collection (SXRD analysed); IMA submission #037-99, Dr. F. Veselovsky, Czech Geol. Survey; Clissold, M. E. (2007) Aspects of the Supergene Geochemistry of Copper, Nickel and Bismuth. PhD Thesis University of Sydney, Australia 162pp.
Germany
 
  • North Rhine-Westphalia
    • Aachen
      • Stolberg
Blaß, G. & Graf, H. W. (1995): Neufunde von Schlackenhalden in der nördlichen Eifel (II). Mineralien-Welt, 6 (3), 28-31.
Namibia
 
  • Oshikoto Region (Otjikoto Region)
    • Tsumeb
Gebhard, G. (1999): Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany
Ettler, V., Johan, Z., Kříbek, B., Šebek, O. & Mihaljevič, M. (2009): Mineralogy and environmental stability of slags from the Tsumeb smelter, Namibia. Applied Geochemistry 24, 1-15.
Russia
 
  • Kamchatka Krai
    • Tolbachik volcano
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
        • Northern Breakthrough (North Breach)
Pavel M. Kartashov data.; Vergasova, L.P., Filatov, S.K., Semenova, T.F., and Anan'yev, V.V. (1990) Lenningradite, PbCU3(V04)2CI2, a new mineral from volcanic exhalations. Doklady Akademii Nauk SSSR: 310(6): 1434-1437.; Jambor, J.L. and Roberts, A.C. (2002) New mineral names. American Mineralogist: 87: 765-768.; Vergasova, L.P., Krivovichev, S.V., Britvin, S.N., Burns, P.C., and Ananiev, V.V. (2004) Filatovite, K[(Al,Zn)2(As,Si)2O8], a new mineral species from the Tolbachik volcano, Kamchatka peninsula, Russia. European Journal of Mineralogy: 16(3): 533-536.
Pekov, I.V., Zubkova, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Vigasina, M.F., Sidorov, E.G., Pushcharovsky, D.Yu. (2014): New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. II. Ericlaxmanite and kozyrevskite, two natural modifications of Cu4O(AsO4)2. Mineralogical Magazine, 78, 1553–1569.
Zelenski, M.E., Zubkova, N.V., Pekov, I.V., Polekhovsky, Yu.S. & Pushcharovsky, D.Yu. (2012): Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24, 749-757.; Pekov, I. V., Zelenski, M. E., Zubkova, N. V., Yapaskurt, V. O., Chukanov, N. V., Belakovskiy, D. I., & Pushcharovsky, D. Y. (2012). Calciolangbeinite, K2Ca2 (SO4) 3, a new mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 76(3), 673-682.
Mineral and/or Locality  
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