Lautenthalite
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About Lautenthalite
Formula:
PbCu4(SO4)2(OH)6 · 3H2O
Colour:
Green, bright blue
Lustre:
Vitreous
Hardness:
2½
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.
The lead analogue of devilline and campigliaite.
Difficult to distinguish from both without analytical methods.
Found at several slag localities.
Classification of Lautenthalite
Approved
First Published:
1993
6/D.19-32
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
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
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
6 : (AB)5(XO4)2Zq·xH2O
Physical Properties of Lautenthalite
Vitreous
Transparency:
Transparent
Colour:
Green, bright blue
Streak:
White
Hardness:
2½ on Mohs scale
Cleavage:
Distinct/Good
Good on {001} and {010}
Good on {001} and {010}
Density:
3.84 g/cm3 (Calculated)
Optical Data of Lautenthalite
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.
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r < v strong
Pleochroism:
Weak
Comments:
X= pale blue
Y=Z= blue
Y=Z= blue
Chemical Properties of Lautenthalite
Formula:
PbCu4(SO4)2(OH)6 · 3H2O
Crystallography of Lautenthalite
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)°
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 Lautenthalite
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 Lautenthalite
Other Language Names for Lautenthalite
German:Lautenthalit
Spanish:Lautenthalita
Relationship of Lautenthalite to other Species
Member of:
Other Members of this group:
| Aldridgeite | (Cd,Ca)(Cu,Zn)4(SO4)2(OH)6 · 3H2O | Mon. 2/m : B2/b |
| Campigliaite | Mn2+Cu4(SO4)2(OH)6 · 4H2O | Mon. |
| Devilline | CaCu4(SO4)2(OH)6 · 3H2O | Mon. 2/m : P21/b |
| Kobyashevite | Cu5(SO4)2(OH)6·4H2O | Tric. 1 : P1 |
| Unnamed (Dimorph of Devilline) | CaCu4(SO4)2(OH)6 · 3H2O | Mon. 2/m : P21/b |
Common Associates
Associated Minerals Based on Photo Data:
| Wroewolfeite | 4 photos of Lautenthalite associated with Wroewolfeite on mindat.org. |
| Anglesite | 2 photos of Lautenthalite associated with Anglesite on mindat.org. |
| Caledonite | 2 photos of Lautenthalite associated with Caledonite on mindat.org. |
| Langite | 2 photos of Lautenthalite associated with Langite on mindat.org. |
| Serpierite | 1 photo of Lautenthalite associated with Serpierite on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
| 7.DE.05 | Mangazeite | Al2(SO4)(OH)4 · 3H2O | Tric. |
| 7.DE.10 | Carbonatecyanotrichite | Cu4Al2(CO3,SO4)(OH)12 · 2H2O | Orth. |
| 7.DE.10 | Cyanotrichite | Cu4Al2(SO4)(OH)12 · 2H2O | Orth. |
| 7.DE.10 | UKI-1975-(SO:AlCu) | (Cu, Al, SO4, H2O) | |
| 7.DE.15 | Schwertmannite | Fe3+16(OH,SO4)12-13O16 · 10-12H2O | Tet. |
| 7.DE.20 | Tlalocite | Cu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2O | Orth. |
| 7.DE.25 | Utahite | Cu5Zn3(TeO4)4(OH)8 · 7H2O | Tric. |
| 7.DE.35 | Coquandite | Sb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3) | Tric. 1 : P1 |
| 7.DE.40 | Osakaite | Zn4(SO4)(OH)6 · 5H2O | Tric. 1 : P1 |
| 7.DE.45 | Wilcoxite | MgAl(SO4)2F · 17H2O | Tric. 1 : P1 |
| 7.DE.50 | Stanleyite | (V4+O)(SO4) · 6H2O | Orth. |
| 7.DE.55 | Mcalpineite | Cu3(Te6+O6) | Iso. m3 (2/m 3) : Ia3 |
| 7.DE.60 | Hydrobasaluminite | Al4(SO4)(OH)10 · 12-36H2O | Mon. |
| 7.DE.62 | Volaschioite | Fe4(SO4)O2(OH)6 · 2H2O | Mon. 2/m : B2/m |
| 7.DE.65 | Zaherite | Al12(SO4)5(OH)26 · 20H2O | Tric. |
| 7.DE.75 | Camérolaite | Cu6Al3(OH)18(H2O)2[Sb(OH)6](SO4) | Tric. 1 : P1 |
Related Minerals - Dana Grouping (8th Ed.)
| 31.6.1.1 | Devilline | CaCu4(SO4)2(OH)6 · 3H2O | Mon. 2/m : P21/b |
Fluorescence of Lautenthalite
Not fluorescent.
Other Information
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 Lautenthalite
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 Lautenthalite
mindat.org URL:
https://www.mindat.org/min-2347.html
Please feel free to link to this page.
Please feel free to link to this page.
External Links:
Mineral Dealers:
Localities for Lautenthalite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Austria | |
| Schebesta, K. (1992): Schlackenminerale aus der Walchen bei Öblarn. Lapis 17 (2), 19-30; 50. |
France | |
| No reference listed |
Germany | |
| Confirmed by mr. Steve Rust. |
| O. Medenbach et al.: N. Jb. Mineral. Mh. 401-407 (1993) |
Greece | |
| No reference listed |
| No reference listed |
Italy | |
| Jansen, H. & van den Berg, W. (1998): Slakkenmineralen in Toscane (Italië). Gea, no. 4, 109-117 (in Dutch). |
Japan | |
| 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 | |
| [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. |
| 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. |
| |
| UKJMM No5 | |
| [UKJMM No.15, p23) |
| S Rust Collection |
| S Rust collection |
| UKJMM 17 |
| BMS Database |
|
Brynarian Mine, Tre-Taliesin, Llangynfelyn, Ceredigion, Wales, UK