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Lammerite

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About LammeriteHide

03280130014946298384895.jpg
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
Lustre:
Adamantine, Vitreous
Hardness:
3½ - 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
First Published:
1981
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

Adamantine, Vitreous
Transparency:
Transparent
Comment:
Luster on cleavage surfaces is vitreous but on crystal faces adamantine
Colour:
Dark green
Streak:
Pale green
Hardness:
3½ - 4 on Mohs scale
Cleavage:
Distinct/Good
good cleavage on {010},and poorer cleavage on {100}
and possibly {001}
Density:
5.18 g/cm3 (Measured)    

Optical Data of LammeriteHide

Type:
Biaxial (+)
RI values:
nα = 1.890 nβ = 1.900 nγ = 1.950
2V:
Measured: 54° (5)
Max Birefringence:
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v extreme
Comments:
X = light blue, Y = sky blue, Z = bluish green

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)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0001009LammeriteHawthorne F C (1986) Lammerite, Cu3(AsO4)2, a modulated close-packed structure American Mineralogist 71 206-20919860293
0012148LammeritePoulsen S J, Calvo C (1968) Crystal structure of Cu3(AsO4)2 Canadian Journal of Chemistry 46 917-9271968synthetic0293
0018801LammeriteStarova G L, Vergasova L P, Filatov S K, Britvin S N, Ananyev V V (2011) Lammerite-beta, Cu3(AsO4)2 - a new mineral from fumaroles of the Great Fissure Tolbachic eruption (Kamchatka, Russia) Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva 140 46-512011Second cinder cone, North Branch, Tolbach volcano, Kamchatka, Russia0293
CIF Raw Data - click here to close

Type Occurrence of LammeriteHide

General Appearance of Type Material:
Dark green spheroidal aggregates approx. 0.5 cm in diameter on corroded quartzose rock
Associated Minerals at Type Locality:
Reference:
Keller, P., Paar, W.H., Dunn, P.J. (1981) Lammerit, Cu3[AsO4]2, ein neues Mineral von Laurani, Bolivien. Tschermaks Mineralogische und Petrographische Mitteilungen: 28: 157-164.

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:
15 photos of Lammerite associated with LavendulanNaCaCu5(AsO4)4Cl · 5H2O
10 photos of Lammerite associated with LemanskiiteNaCaCu5(AsO4)4Cl · 3H2O
3 photos of Lammerite associated with StarovaiteKCu5O(VO4)3
2 photos of Lammerite associated with EuchlorineKNaCu3(SO4)3O
1 photo of Lammerite associated with QuartzSiO2
1 photo of Lammerite associated with KozyrevskiteCu4O(AsO4)2
1 photo of Lammerite associated with AnglesitePbSO4

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.10PurpuriteMn3+(PO4)Orth. 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.10KarenwebberiteNaFe2+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. 1 : P1
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)
20.1.7GeminiteCu2+(AsO3OH) · 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 · 11.5H2OMon.
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)
Keller, P., Paar, W.H., Dunn, P.J. (1981) Lammerit, Cu3[AsO4]2, ein neues Mineral von Laurani, Bolivien. Tschermaks Mineralogische und Petrographische Mitteilungen: 28: 157-164.
Fleischer, M., Burns, R.G., Cabri, L.J., Francis, C.A., Pabst, A. (1982) New mineral names. American Mineralogist: 67: 413-418.
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)
Hawthorne, F.C. (1986) Lammerite, Cu3(AsO4)2, a modulated close-packed structure. American Mineralogist: 71: 206-209.
Hawthorne, F.C., Dunn, P.J., Grice, J.D., Puziewicz, J., Shigley, J.E. (1986) New mineral names. American Mineralogist: 71: 845-847.
Starova, G.L., Vergasova, L.P., Filatov, S.K., Britvin, S.N., Ananyev, V.V. (2011) Lammerite-β, Cu3(AsO4)2- a new mineral from fumaroles of the Great Fissure Tolbachic eruption (Kamchatka, Russia). Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva: 140(5): 46-51.
Pekov, I.V., Koshlykova, N.N., Zubkova, N.V., Lykova, I.S., Britvin, S.N., Yapaskurt, V.O., Agakhanov, A.A., Shchipalkina, N.V., Turchkova, A.G., Sidorov, E.G. (2018) Fumarolic arsenates - a special type of arsenic mineralization. European Journal of Mineralogy: 30: 305-322.

Internet Links for LammeriteHide

Localities for LammeriteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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
    • Kufstein District
      • Brixlegg
        • Geyer - Silberberg District
          • Silberberg
            • West slope ("Am Geyer")
Der Aufschluß (2006)
Bolivia (TL)
 
  • La Paz
    • Aroma Province
      • Laurani District
Keller, P., Paar, W.H., Dunn, P.J. (1981) Lammerit, Cu3[AsO4]2, ein neues Mineral von Laurani, Bolivien. Tschermaks Mineralogische und Petrographische Mitteilungen: 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
    • 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
    • Cologne
      • Aachen
        • Stolberg
Blaß, G. & Graf, H. W. (1995): Neufunde von Schlackenhalden in der nördlichen Eifel (II). Mineralien-Welt, 6 (3), 28-31.
India
 
  • Rajasthan
    • Jhunjhunu District
Ahmed, M., Shaif, M., Siddiquie, F. N., & Khan, R. (2018). Mode of Occurrence and Mineralogy of Northern Khetri Copper Deposits, Jhunjhunu District, Rajasthan. Natural Resources, 2018, 9, 389-403
Namibia
 
  • Oshikoto 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.; Zubkova, N. V., Pekov, I. V., Ksenofontov, D. A., Yapaskurt, V. O., Pushcharovsky, D. Y., & Sidorov, E. G. (2018, March). Arcanite from Fumarole Exhalations of the Tolbachik Volcano (Kamchatka, Russia) and Its Crystal Structure. In Doklady Earth Sciences (Vol. 479, pp. 339-341). Pleiades Publishing.
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.
 
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