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Macphersonite

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Formula:
Pb4(CO3)2(SO4)(OH)2
System:
Orthorhombic
Colour:
Colorless, white, very ...
Lustre:
Adamantine, Resinous
Hardness:
2½ - 3
Name:
Named by A. Livingstone and H. Sarp in 1984 in honor of Harry Gordon Macpherson (1925 – ), Keeper of Minerals, Royal Scottish
Museum, Edinburgh, Scotland.
Polymorph of:
A lead sulphate carbonate polymorphous with leadhillite and susannite, but much rarer than both.


Classification of Macphersonite

Approved
5.BF.40

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

17 : COMPOUND CARBONATES
1 : Miscellaneous
12.2.12

12 : Carbonates with other anions
2 : Carbonates with sulphate

Physical Properties of Macphersonite

Adamantine, Resinous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Colorless, white, very pale amber
Hardness (Mohs):
2½ - 3

Optical Data of Macphersonite

Type:
Biaxial (-)
RI values:
nα = 1.870 nβ = 2.000 nγ = 2.010
2V:
Measured: 35° , Calculated: 28°
Max Birefringence:
δ = 0.140
Image 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:
Pb4(CO3)2(SO4)(OH)2
IMA Formula:
Pb4(SO4)(CO3)2(OH)2
Elements listed in formula:

Crystallography of Macphersonite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 10.383 Å, b = 23.05 Å, c = 9.242 Å
Ratio:
a:b:c = 0.45 : 1 : 0.401
Unit Cell Volume:
V 2211.87 ų
Z:
8
Twinning:
Common. Lamellar and contact, composition plane {102}

Type Occurrence of Macphersonite

Relationship of Macphersonite to other Species

5.BF.05FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
5.BF.05ManganotychiteNa6Mn2(CO3)4(SO4)
5.BF.05NorthupiteNa3Mg(CO3)2Cl
5.BF.05TychiteNa6Mg2(CO3)4(SO4)
5.BF.10BonshtedtiteNa3Fe2+(CO3)(PO4)
5.BF.10BradleyiteNa3Mg(CO3)(PO4)
5.BF.10CrawforditeNa3Sr(CO3)(PO4)
5.BF.10SidorenkiteNa3Mn2+(CO3)(PO4)
5.BF.15Daqingshanite-(Ce)(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
5.BF.20Reederite-(Y)(Na,Mn)15Y2(CO3)9(FSO3)Cl
5.BF.25Mineevite-(Y)Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl
5.BF.30BrianyoungiteZn3(CO3,SO4)(OH)4
5.BF.35PhilolithitePb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4
5.BF.40LeadhillitePb4(CO3)2(SO4)(OH)2
5.BF.40SusannitePb4(CO3)2(SO4)(OH)2
12.2.1BurkeiteNa6(CO3)(SO4)2
12.2.2HanksiteNa22K(SO4)9(CO3)2Cl
12.2.3TychiteNa6Mg2(CO3)4(SO4)
12.2.4MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
12.2.5FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
12.2.6NakauriiteCu8(SO4)4(CO3)(OH)6 · 48H2O
12.2.7CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2O
12.2.8RapidcreekiteCa2(SO4)(CO3) · 4H2O
12.2.9TatarskiteCa6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2O
12.2.10Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2O
12.2.11LeadhillitePb4(CO3)2(SO4)(OH)2
12.2.13SusannitePb4(CO3)2(SO4)(OH)2
12.2.14WherryitePb7Cu2(SO4)4(SiO4)2(OH)2
12.2.15CaledonitePb5Cu2(SO4)3(CO3)(OH)6
12.2.16NasledovitePbMn3Al4(CO3)4(SO4)O5 · 5H2O
12.2.17JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2O
12.2.18SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
12.2.19ManganotychiteNa6Mn2(CO3)4(SO4)
12.2.20HauckiteFe33+(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81
12.2.21ParaotwayiteNi(OH)2-x(SO4,CO3)0.5x
12.2.22Carrboydite[(Ni1-xAlx)(OH)2][SO4]x/2 · nH2O
12.2.23Mountkeithite[(Mg1-xFex3+)(OH)2][SO4]x/2 · nH2O
12.2.24CamérolaiteCu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)

Other Names for Macphersonite

Name in Other Languages:
Simplified Chinese:直硫碳铅石
Traditional Chinese:直硫碳鉛石

Other Information

May exhibit a bright yellow fluorescence under SW UV and LW UV.
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 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.

Dunn, P.J., Fleischer, M., Langley, R.H., Shigley, J.E., Zilczer, J.A. (1985) New mineral names. American Mineralogist: 70: 871-881.

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

mindat.org URL:
https://www.mindat.org/min-2513.html
Please feel free to link to this page.

Localities for Macphersonite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
 
  • Bourgogne-Franche-Comté
    • Saône-et-Loire
      • Saint-Léger-sous-Beuvray
        • Saint-Prix
          • L'Argentolle
A. Livingstone & H. Sarp: Mineralogical Magazine 48:227-282 (1984); Sarp, H. (1984): Seconde occurrence du nouveau minéral Scotlandite PbSO3. Schweiz. Mineral. Petrogr. Mitt., 64, 317-321.
  • Occitanie
    • Ariège
      • Saint-Girons
        • Aulus-les-Bains
Gol, D. (2014): L'ancienne mine de Laquorre, Aulus-les-bains, Ariège. Le Règne Minéral, 118, 5-27; Meisser, N., Ansermet, S., Chiappero, P.-J. & Brugger, J. (2014): Découverte de Mattheddleite et de macphersonite à la mine de Laquorre en 1995. Le Règne Minéral, 118, 28-29.
Germany
 
  • North Rhine-Westphalia
    • Sauerland
      • Sundern
        • Bönkhausen
Lapis, 14 (2), 22-27+33+42.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
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
        • Oridda Valley
          • Tiny-Arenas Mine
Stara, P., Rizzo, R., Tanca, G. A. (1996): Iglesiente – Arburese, Miniere e Minerali. Associazioni e Gruppi Mineralogici Italiani Ed., 238 pp.
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Gebhard, G. (1999): Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany
UK
 
  • England
    • Cumbria
      • Caldbeck Fells
        • Roughton Gill
No reference listed
  • Scotland
    • Strathclyde
      • South Lanarkshire
Scottish J. Geol. 23, 1-8(1987)
A. Livingstone & H. Sarp: Mineralogical Magazine 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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