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Lautenthalite

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Brynarian Mine (Cardigan Bay Consols Mine), Tre-Taliesin, Llangynfelyn, Ceredigion (Dyfed; Cardiganshire), Wales, UK
© Steve Rust

Show Lautenthalite Photos (16)
Formula:
PbCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
System:MonoclinicColour:Green, bright blue
Hardness:2½
Name:From the type occurrence at Lauthenthal.


The lead analogue of devilline, from which it is difficult to distinguish without analytical methods.

Classification of Lautenthalite

IMA status:Approved
Strunz 8th edition ID:6/D.19-32
Nickel-Strunz 10th (pending) edition ID:7.DD.30

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
Dana 8th edition ID:31.6.1.2

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

Type Locality:Lautenthal smelter (slag locality), Lautenthal, Harz Mts, Lower Saxony, Germany
Year of Discovery:1993
Geological Setting of type material:Smelter slag.

Occurrences of Lautenthalite

Geological Setting:Oxidation zone of Pb-Cu deposits.

Physical Properties of Lautenthalite

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

Crystallography of Lautenthalite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b (P1 1 21/b) [P21/c] {P1 21/c 1} {P21/a}
Cell Parameters:a = 21.642(8) Å, b = 6.04(2) Å, c = 22.544(8) Å
β = 108.2(1)°
Ratio:a:b:c = 3.583 : 1 : 3.732
Unit Cell Volume:V 2,799.47 ų (Calculated from Unit Cell)
Z:8
Morphology:Tabular crystals, sheaflike or irregular aggregates.
Twinning:Polysynthetic on {100}

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°
Maximum Birefringence:δ = 0.073

Chart 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 Lautenthalite

Formula:
PbCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
Essential elements:Cu, H, O, Pb, S
All elements listed in formula:Cu, H, O, Pb, S

Relationship of Lautenthalite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DD.05Felsőbányaite
Al
 
4
[(OH)
 
10
|SO
 
4
] · 5H
 
2
O
7.DD.05Hydrobasaluminite
Al
 
4
[(OH)
 
10
|SO
 
4
] · 12-36H
 
2
O
7.DD.05Zaherite
Al
 
12
[(OH)
 
26
|(SO
 
4
)
 
5
] · 20H
 
2
O
7.DD.10Guarinoite
(Zn,Co,Ni)
 
6
[(OH,Cl)
 
10
|SO
 
4
] · 5H
 
2
O
7.DD.10Langite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · 2H
 
2
O
7.DD.10Posnjakite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · H
 
2
O
7.DD.10Schulenbergite
(Cu,Zn)
 
7
[(OH)
 
10
|(SO
 
4
,CO
 
3
)
 
2
] · 3H
 
2
O
7.DD.10Wroewolfeite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · 2H
 
2
O
7.DD.10Thérèsemagnanite
(Co,Zn,Ni)
 
6
(SO
 
4
)(OH,Cl)
 
10
·8H
 
2
O
7.DD.10Montetrisaite
Cu
 
6
(SO
 
4
)(OH)
 
10
·H
 
2
O
7.DD.15Spangolite
Cu
 
6
Al[(OH)
 
12
|Cl|SO
 
4
] · 3H
 
2
O
7.DD.20Ktenasite
(Cu,Zn)
 
5
[(OH)
 
6
|(SO
 
4
)
 
2
] · 6H
 
2
O
7.DD.25Christelite
Cu
 
2
Zn
 
3
[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DD.30Campigliaite
Mn
2+
 
Cu
 
4
[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DD.30Devilline
CaCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
7.DD.30Orthoserpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
7.DD.30Serpierite
Ca(Cu,Zn)
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
7.DD.30Niedermayrite
CdCu
 
4
[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DD.35Carrboydite
(Ni,Cu)
 
14
Al
 
9
[(OH)
 
43
|(SO
 
4
,CO
 
3
)
 
6
] · 7H
 
2
O
7.DD.35Glaucocerinite
(Zn,Cu)
 
10
Al
 
6
[(OH)
 
32
|(SO
 
4
)
 
3
] · 18H
 
2
O
7.DD.35Honessite
Ni
 
6
Fe
3+
2
[(OH)
 
16
|SO
 
4
] · 4H
 
2
O
7.DD.35Hydrohonessite
Ni
 
6
Fe
3+
2
[(OH)
 
16
|SO
 
4
] · 7H
 
2
O
7.DD.35Motukoreaite
NaMg
 
19
Al
 
12
(CO
 
3
)
 
6.5
(SO
 
4
)
 
4
(OH)
 
54
·28H
 
2
O
7.DD.35Mountkeithite
(Mg,Ni)
 
11
(Fe
3+
 
,Cr
3+
 
,Al)
 
3
[(OH)
 
24
|(SO
 
4
,CO
 
3
)
 
3.5
] · 11H
 
2
O
7.DD.35Shigaite
Al
 
4
Mn
 
7
(SO
 
4
)
 
2
(OH)
 
22
·8H
 
2
O
7.DD.35Wermlandite
Mg
 
7
(Ca,Mg)(Al,Fe)
 
2
(SO
 
4
)
 
2
(OH)
 
18
(H
 
2
O)
 
12
7.DD.35Woodwardite
Cu
 
4
Al
 
2
[(OH)
 
12
|SO
 
4
] · 2-4H
 
2
O
7.DD.35Zincaluminite
Zn
 
6
Al
 
6
[(OH)
 
13
|SO
 
4
]
 
2
 · 5H
 
2
O
7.DD.35Hydrowoodwardite
Cu
 
1-x
Al
 
x
[(OH)
 
2
|(SO
 
4
)
 
x/2
] · nH
 
2
O
7.DD.35Zincowoodwardite
Zn
 
1-x
Al
 
x
(SO
 
4
)
 
x/2
(OH)
 
2
·nH
 
2
O (?)
7.DD.35Natroglaucocerinite
[(Zn,Cu)
 
5
Al
 
3
(OH)
 
16
][(SO
 
4
)
 
1.5
Na
 
1.5
(SO
 
4
)
 
0.75
(H
 
2
O)
 
9
]
7.DD.35Nikischerite
[AlFe
 
2
(OH)
 
6
]
 
3
(SO
 
4
)
 
2
Na(H
 
2
O)
 
6
·6H
 
2
O
7.DD.40Lawsonbauerite
(Mn
2+
 
,Mg)
 
9
Zn
 
4
[(OH)
 
11
|SO
 
4
]
 
2
 · 8H
 
2
O
7.DD.40Torreyite
(Mg,Mn
2+
 
)
 
9
Zn
 
4
[(OH)
 
11
|SO
 
4
]
 
2
 · 8H
 
2
O
7.DD.45Mooreite
(Mg,Zn,Mn
2+
 
)
 
15
[(OH)
 
13
|SO
 
4
]
 
2
 · 8H
 
2
O
7.DD.50Namuwite
(Zn,Cu)
 
4
[(OH)
 
6
|SO
 
4
] · 4H
 
2
O
7.DD.55Bechererite
(Zn,Cu)
 
6
Zn
 
2
[(OH)
 
12
|(SO
 
4
,HSiO
 
4
)
 
2
]
7.DD.60Ramsbeckite
(Cu,Zn)
 
15
[(OH)
 
22
|(SO
 
4
)
 
4
] · 6H
 
2
O
7.DD.65Vonbezingite
Ca
 
6
Cu
 
3
[(OH)
 
12
|(SO
 
4
)
 
3
] · 2H
 
2
O
7.DD.70Redgillite
Cu
 
6
[(OH)
 
10
|SO
 
4
] · H
 
2
O
7.DD.75Chalcoalumite
CuAl
 
4
[(OH)
 
12
|SO
 
4
] · 3H
 
2
O
7.DD.75Nickelalumite
(Ni,Cu)Al
 
4
[(OH)
 
12
|{SO
 
4
,(NO
 
3
)
 
2
}] · 3H
 
2
O
7.DD.75Kyrgyzstanite
ZnAl
 
4
(SO
 
4
)(OH)
 
12
·3H
 
2
O

Other Names for Lautenthalite

Synonyms:
IMA1983-029
Other Languages:
German:Lautenthalit
Spanish:Lautenthalita

Other Information

Health Warning: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: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. [Abstract in American Mineralogist (1994): 79: 570].

C. Sabelli and P. F. Zanazzi (1972): The crystal structure of devillite. Acta Crystallogr., B28, 1182-1189.

Articles/Blogs about Lautenthalite

Internet Links for Lautenthalite

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    Localities for Lautenthalite

    Hide Locality List
    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Austria
     
    • Styria
      • Niedere Tauern Mts
        • Öblarn
          • Walchen
    		Schebesta, K. (1992): Schlackenminerale aus der Walchen bei Öblarn. Lapis 17 (2), 19-30; 50.
    France
     
    • Languedoc-Roussillon
      • Lozère
    		No reference listed
    Germany
     
    • Lower Saxony
      • Harz Mts
        • Lautenthal
    		O. Medenbach et al.: N. Jb. Mineral. Mh. 401-407 (1993)
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Plaka
            • Plaka Mines
    		No reference listed
          • Sounion Area
            • Agia Varvara Mines (St Barbara Mines)
    		No reference listed
    UK
     
    • England
      • Cumbria
        • North and Western Region (Cumberland)
          • Braithwaite District
            • Coledale
    		[UKJMM 18:9]
    • Scotland
      • Dumfries & Galloway (Dumfries-shire) and Strathclyde (Lanarkshire)
        • Leadhills-Wanlockhead District
          • Wanlockhead
    		BMS Database
    • Wales
      • Ceredigion (Dyfed; Cardiganshire)
        • 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 (Montgomeryshire)
        • Machynlleth
          • Dylife
    Mineral and/or Locality
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