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Lautenthalite

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Formula:
PbCu4(SO4)2(OH)6 · 3H2O
Colour:
Green, bright blue
Lustre:
Vitreous
Hardness:
Specific Gravity:
3.84 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named by O. Medenbach and W. Gebert in 1993 for the type occurrence at Lauthenthal, Germany, site of an ancient smelter.
Devilline Group.

The lead analogue of devilline and campigliaite.
Difficult to distinguish from both without analytical methods.

Found at several slag localities.


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Classification of LautenthaliteHide

Approved
First Published:
1993
7.DE.70

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
E : With only medium-sized cations; unclassified
31.6.1.2

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
6 : (AB)5(XO4)2Zq·xH2O

Physical Properties of LautenthaliteHide

Vitreous
Transparency:
Transparent
Colour:
Green, bright blue
Streak:
White
Hardness:
2½ on Mohs scale
Cleavage:
Distinct/Good
Good on {001} and {010}
Density:
3.84 g/cm3 (Calculated)

Optical Data of LautenthaliteHide

Type:
Biaxial (-)
RI values:
nα = 1.659(2) nβ = 1.703(2) nγ = 1.732(2)
2V:
Measured: 78° to 79°, Calculated: 78°
Max Birefringence:
δ = 0.073
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r < v strong
Pleochroism:
Weak
Comments:
X= pale blue
Y=Z= blue

Chemical Properties of LautenthaliteHide

Formula:
PbCu4(SO4)2(OH)6 · 3H2O

Crystallography of LautenthaliteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 21.642(8) Å, b = 6.040(2) Å, c = 22.544(8) Å
β = 108.2(1)°
Ratio:
a:b:c = 3.583 : 1 : 3.732
Unit Cell V:
2,799.47 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Tabular crystals, sheaflike or irregular aggregates.
Twinning:
Polysynthetic on {100}

Type Occurrence of LautenthaliteHide

Place of Conservation of Type Material:
Institut fur Mineralogie, Ruhr-Universitat, Bochum, Germany.
Geological Setting of Type Material:
Smelter slag.
Associated Minerals at Type Locality:

Synonyms of LautenthaliteHide

Other Language Names for LautenthaliteHide

Relationship of Lautenthalite to other SpeciesHide

Member of:
Other Members of this group:
Aldridgeite(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6 · 3H2O Mon. 2/m : B2/b
CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon.
DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
KobyasheviteCu5(SO4)2(OH)6·4H2OTric. 1 : P1
Unnamed (Dimorph of Devilline)CaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
Wroewolfeite4 photos of Lautenthalite associated with Wroewolfeite on mindat.org.
Anglesite2 photos of Lautenthalite associated with Anglesite on mindat.org.
Caledonite2 photos of Lautenthalite associated with Caledonite on mindat.org.
Langite2 photos of Lautenthalite associated with Langite on mindat.org.
Serpierite1 photo of Lautenthalite associated with Serpierite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DE.05MangazeiteAl2(SO4)(OH)4 · 3H2OTric.
7.DE.10CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2OOrth.
7.DE.10CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2OOrth.
7.DE.10UKI-1975-(SO:AlCu)(Cu, Al, SO4, H2O)
7.DE.15SchwertmanniteFe3+16(OH,SO4)12-13O16 · 10-12H2OTet.
7.DE.20TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2OOrth.
7.DE.25UtahiteCu5Zn3(TeO4)4(OH)8 · 7H2OTric.
7.DE.35CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)Tric. 1 : P1
7.DE.40OsakaiteZn4(SO4)(OH)6 · 5H2OTric. 1 : P1
7.DE.45WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
7.DE.50Stanleyite(V4+O)(SO4) · 6H2OOrth.
7.DE.55McalpineiteCu3(Te6+O6)Iso. m3 (2/m 3) : Ia3
7.DE.60HydrobasaluminiteAl4(SO4)(OH)10 · 12-36H2OMon.
7.DE.62VolaschioiteFe4(SO4)O2(OH)6 · 2H2OMon. 2/m : B2/m
7.DE.65ZaheriteAl12(SO4)5(OH)26 · 20H2OTric.
7.DE.75CamérolaiteCu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)Tric. 1 : P1

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

31.6.1.1DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b

Fluorescence of LautenthaliteHide

Not fluorescent.

Other InformationHide

Notes:
Reacts readily with HCl to form a residue of PbS04.
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 LautenthaliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Medenbach, O., Gebert, W. (1993) Lautenthalite, PbCu4[(OH)6|(SO4)2]•3H2O, the Pb analogue of devillite: A new mineral from the Harz mountains, Germany. Neues Jahrbuch für Mineralogie, Monatshefte: 1993: 401-407.
Jambor, J.L., Roberts, A.C., Puziewicz, J. (1994) New mineral names. American Mineralogist: 79: 570-574.
Sabelli, C., Zanazzi, P.F. (1972) The crystal structure of devillite. Acta Crystallographica: B28: 1182-1189.

Internet Links for LautenthaliteHide

Localities for LautenthaliteHide

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
 
  • Styria
    • Niedere Tauern
      • Öblarn
        • Walchen
Schebesta, K. (1992): Schlackenminerale aus der Walchen bei Öblarn. Lapis 17 (2), 19-30; 50.
France
 
  • Occitanie
    • Lozère
      • Pont-de-Montvert
        • Vialas
No reference listed
Germany
 
  • Lower Saxony
    • Harz
      • Goslar
        • Grane Reservoir
Confirmed by mr. Steve Rust.
      • Lautenthal
O. Medenbach et al.: N. Jb. Mineral. Mh. 401-407 (1993)
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Plaka
          • Plaka Mines
No reference listed
        • Sounion Area
          • Agia Varvara Mines (St Barbara Mines)
No reference listed
Italy
 
  • Tuscany
    • Livorno Province
      • Campigliese (Campiglia Mountains; Campiglia Ridge)
        • Sassetta
          • Canina Valley
Jansen, H. & van den Berg, W. (1998): Slakkenmineralen in Toscane (Italië). Gea, no. 4, 109-117 (in Dutch).
Japan
 
  • Honshu Island
    • Tohoku Region
      • Akita Prefecture
Yamada, T. & Hirama, T. (2000) Suisyou, 13, #1, 21-25.; Ohnishi, M., & Shimobayashi, N. (2011). Tsumebite from the Kisamori mine, Akita Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 106(1), 51-56.
UK
 
  • England
    • Cumbria
      • Braithwaite District
        • Coledale
[UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
  • Scotland
    • Dumfries & Galloway
      • Wanlockhead
BMS Database; American Mineralogist, Volume 79, pages 570-574, 1994; Green, D. I. (1987): The minerals of Meadowfoot smelter. UK Journal of Mines and Minerals 2, 3-9.
  • Wales
    • Ceredigion
      • Ceulanymaesmawr
        • Talybont
          • Nant-y-Moch Reservoir area
UKJMM No5
      • Cwmrheidol
        • Ystumtuen
[UKJMM No.15, p23)
      • Llangynfelyn
        • Tre-Taliesin
S Rust Collection
      • Trefeirig
        • Pen-bont Rhydybeddau
S Rust collection
      • Upper Llanfihangell-y-Creuddyn
        • Pontrhydygroes
UKJMM 17
      • Ysbyty Ystwyth
BMS Database
    • Powys
      • Machynlleth
        • Dylife
Mineral and/or Locality  
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