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Macphersonite

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Leadhills, South Lanarkshire, Strathclyde (Lanarkshire), Scotland, UK
© Thomas Witzke

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Formula:
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
System:OrthorhombicHardness:2½ - 3
Polymorph of:Leadhillite, Susannite


A lead sulphate carbonate polymorphous with leadhillite and susannite, but much rarer than both.

Classification of Macphersonite

IMA status:Approved
Strunz 8th edition ID:6/B.13-60
Nickel-Strunz 10th (pending) edition ID:5.BF.40

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
Dana 8th edition ID:17.1.4.1

17 : COMPOUND CARBONATES
1 : Miscellaneous
Hey's CIM Ref.:12.2.12

12 : Carbonates with other anions
2 : Carbonates with sulphate
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Type Occurrence of Macphersonite

Type Locality:Susanna Mine (Glennery Scar Vein; Susanna Vein (Scar Vein); Portobello Vein; Humby Vein; Lead Vein), Leadhills, South Lanarkshire, Strathclyde (Lanarkshire), Scotland, UK
Year of Discovery:1984

Physical Properties of Macphersonite

Hardness (Mohs):2½ - 3

Crystallography of Macphersonite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:a = 10.383Å, b = 23.05Å, c = 9.242Å
Ratio:a:b:c = 0.45 : 1 : 0.401
Unit Cell Volume:V 2211.87 ų
Z:8

Optical Data of Macphersonite

Type:Biaxial (-)
RI values: nα = 1.870 nβ = 2.000 nγ = 2.010
2V:Measured: 35° , Calculated: 28°
Maximum Birefringence:δ = 0.140

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v

Chemical Properties of Macphersonite

Formula:
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
Essential elements:C, H, O, Pb, S
All elements listed in formula:C, H, O, Pb, S

Relationship of Macphersonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.BF.05Ferrotychite
Na
 
6
(Fe,Mn,Mg)
 
2
(CO
 
3
)
 
4
(SO
 
4
)
5.BF.05Manganotychite
Na
 
6
Mn
 
2
(CO
 
3
)
 
4
(SO
 
4
)
5.BF.05Northupite
Na
 
3
Mg(CO
 
3
)
 
2
Cl
5.BF.05Tychite
Na
 
6
Mg
 
2
(CO
 
3
)
 
4
(SO
 
4
)
5.BF.10Bonshtedtite
Na
 
3
Fe
2+
 
(CO
 
3
)(PO
 
4
)
5.BF.10Bradleyite
Na
 
3
Mg(CO
 
3
)(PO
 
4
)
5.BF.10Crawfordite
Na
 
3
Sr(CO
 
3
)(PO
 
4
)
5.BF.10Sidorenkite
Na
 
3
Mn
2+
 
(CO
 
3
)(PO
 
4
)
5.BF.15Daqingshanite-(Ce)
(Sr,Ca,Ba)
 
3
(Ce,La)(CO
 
3
)
 
3-x
(PO
 
4
)(OH,F)
 
2x
5.BF.20Reederite-(Y)
(Na,Mn)
 
15
Y
 
2
(CO
 
3
)
 
9
(FSO
 
3
)Cl
5.BF.25Mineevite-(Y)
Na
 
25
Ba(Y,Gd,Dy)
 
2
(CO
 
3
)
 
11
(HCO
 
3
)
 
4
(SO
 
4
)
 
2
F
 
2
Cl
5.BF.30Brianyoungite
Zn
 
3
(CO
 
3
,SO
 
4
)(OH)
 
4
5.BF.35Philolithite
Pb
 
12
Mn
2+
 
(Mg,Mn
2+
 
)
 
2
(Mn
2+
 
,Mg)
 
4
(CO
 
3
)
 
4
(SO
 
4
)O
 
6
(OH)
 
12
Cl
 
4
5.BF.40Leadhillite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
5.BF.40Susannite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
12.2.1Burkeite
Na
 
6
(CO
 
3
)(SO
 
4
)
 
2
12.2.2Hanksite
Na
 
22
K(SO
 
4
)
 
9
(CO
 
3
)
 
2
Cl
12.2.3Tychite
Na
 
6
Mg
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.4Motukoreaite
Mg
 
6
Al
 
3
(OH)
 
18
[Na(H
 
2
O)
 
6
][SO
 
4
]
 
2
 · 6H
 
2
O
12.2.5Ferrotychite
Na
 
6
(Fe,Mn,Mg)
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.6Nakauriite
Cu
 
8
(SO
 
4
)
 
4
(CO
 
3
)(OH)
 
6
 · 48H
 
2
O
12.2.7Carbonatecyanotrichite
Cu
 
4
Al
 
2
(CO
 
3
,SO
 
4
)(OH)
 
12
 · 2H
 
2
O
12.2.8Rapidcreekite
Ca
 
2
(SO
 
4
)(CO
 
3
) · 4H
 
2
O
12.2.9Tatarskite
Ca
 
6
Mg
 
2
(SO
 
4
)
 
2
(CO
 
3
)
 
2
(OH)
 
4
Cl
 
4
 · 7H
 
2
O
12.2.10Schulenbergite
(Cu,Zn)
 
7
(SO
 
4
,CO
 
3
)
 
2
(OH)
 
10
 · 3H
 
2
O
12.2.11Leadhillite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.13Susannite
Pb
 
4
(CO
 
3
)
 
2
(SO
 
4
)(OH)
 
2
12.2.14Wherryite
Pb
 
7
Cu
 
2
(SO
 
4
)
 
4
(SiO
 
4
)
 
2
(OH)
 
2
12.2.15Caledonite
Pb
 
5
Cu
 
2
(SO
 
4
)
 
3
(CO
 
3
)(OH)
 
6
12.2.16Nasledovite
PbMn
 
3
Al
 
4
(CO
 
3
)
 
4
(SO
 
4
)O
 
5
 · 5H
 
2
O
12.2.17Jouravskite
Ca
 
6
Mn
3+
2
(SO
 
4
,CO
 
3
)
 
3
(OH)
 
12
 · 26H
 
2
O
12.2.18Schröckingerite
NaCa
 
3
(UO
 
2
)(CO
 
3
)
 
3
(SO
 
4
)F · 10H
 
2
O
12.2.19Manganotychite
Na
 
6
Mn
 
2
(CO
 
3
)
 
4
(SO
 
4
)
12.2.20Hauckite
Fe
3+
3
(Mg,Mn
2+
 
)
 
24
Zn
 
18
(SO
 
4
)
 
4
(CO
 
3
)
 
2
(OH)
 
81
12.2.21Paraotwayite
Ni(OH)
 
2-x
(SO
 
4
,CO
 
3
)
 
0.5x
12.2.22Carrboydite
[(Ni
 
1-x
Al
 
x
)(OH)
 
2
][SO
 
4
]
 
x/2
 · nH
 
2
O
12.2.23Mountkeithite
[(Mg
 
1-x
Fe
3+
x
)(OH)
 
2
][SO
 
4
]
 
x/2
 · nH
 
2
O
12.2.24Camerolaite
Cu
 
4
Al
 
2
(HSbO
 
4
,SO
 
4
)(CO
 
3
)(OH)
 
10
 · 2H
 
2
O

Other Names for Macphersonite

Synonyms:
IMA1982-105
Other Languages:
German:Macphersonit
Simplified Chinese:直硫碳铅石
Spanish:Macphersonita
Traditional Chinese:直硫碳鉛石

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 Macphersonite

Reference List:

- +
Livingstone, A. & Sarp, H. (1984): Macphersonite, a new mineral from Leadhills, Scotland, and Saint Prix, France; a polymorph of leadhillite and susannite. Mineralogical Magazine: 48: 227-282.

American Mineralogist (1985): 70: 874.

Steele, I. M., Pluth, J. J. & Livingstone, A. (1998): Crystal structure of macphersonite (Pb4SO4(CO3)2(OH)2): comparison with leadhillite. Mineralogical Magazine: 62: 451-459.

Internet Links for Macphersonite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Macphersonite details from Handbook of Mineralogy (PDF)
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    • Localities for Macphersonite

    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.
    Hide Locality List
    (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.
    France
     
    • Burgundy
      • Saône-et-Loire
        • Saint-Léger-sous-Beuvray
          • Saint-Prix
            • L'Argentolle
    		A. Livingstone & H. Sarp: Mineral. Mag. 48:227-282 (1984); Sarp, H. (1984): Seconde occurrence du nouveau minéral Scotlandite PbSO3. Schweiz. Mineral. Petrogr. Mitt., 64, 317-321.
    Germany
     
    • North Rhine-Westphalia
      • Sauerland
        • Sundern
          • Bönkhausen
    		Lapis, 14 (2), 22-27+33+42.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
    		Schnorrer-Köhler, G., Standfuss, K. & Standfuss, L. (1985): Neue Schlackenmineralien von Lavrion. Lapis, 10 (5), 13-16; 50.
    Italy
     
    • Lombardy
      • Bergamo Province
        • Valtorta
    		Maida, F. (2002): Descrizione delle specie e varietà di minerali e loro ritrovamento nella bergamasca. G.O.M. Gruppo Orobico Minerali - Novecento Grafico, Ed., Bergamo 82 pp.
    • Sardinia
      • Carbonia-Iglesias Province
        • Fluminimaggiore
    		Stara, P., Rizzo, R., Tanca, G. A. (1996): Iglesiente – Arburese, Miniere e Minerali. Associazioni e Gruppi Mineralogici Italiani Ed., 238 pp.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Gebhard, G. (1999): Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany
    UK
     
    • England
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Roughton Gill
    		No reference listed
    • Scotland
      • Strathclyde (Lanarkshire)
        • South Lanarkshire
    		Scottish J. Geol. 23, 1-8(1987)
    A. Livingstone & H. Sarp: Mineral. Mag. 48:227-282 (1984)
    USA
     
    • Arizona
      • Maricopa Co.
        • Big Horn Mts
          • Osborn District
            • Hummingbird Spring
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 272.
    Mineral and/or Locality
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