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Mattheddleite

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About MattheddleiteHide

Matthew Forster Heddle
Formula:
Pb5(SiO4)1.5(SO4)1.5(Cl,OH)
Colour:
creamy white to pinkish
Lustre:
Adamantine
Hardness:
3½ - 4½
Specific Gravity:
6.96 (Calculated)
Crystal System:
Hexagonal
Name:
Named after Matthew Forster Heddle (1828-1897), Scottish geologist and mineralogist who did significant work towards investigating and describing Scotland's mineralogy in the 19th century. First described from Leadhills, Stratclyde, Scotland, UK by Livingstone et al. (1987).
A mineral in the Ellestadite Group of the Apatite Supergroup.
An OH-dominant analogue may exist, named as "hydroxylmattheddleite" by Pasero et al. (2010)


Classification of MattheddleiteHide

Approved
Approval Year:
1985
9.AH.25

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.
52.4.9.6

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
17.10.23

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate

Physical Properties of MattheddleiteHide

Adamantine
Transparency:
Transparent
Colour:
creamy white to pinkish
Streak:
white
Hardness:
3½ - 4½ on Mohs scale
Cleavage:
Poor/Indistinct
on {0001}, or a parting
Density:
6.96 g/cm3 (Calculated)

Optical Data of MattheddleiteHide

Type:
Uniaxial (-)
RI values:
nω = 2.017 nε = 1.999
Max Birefringence:
δ = 0.018
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of MattheddleiteHide

Formula:
Pb5(SiO4)1.5(SO4)1.5(Cl,OH)
IMA Formula:
Pb5(SiO4)1.5(SO4)1.5Cl

Crystallography of MattheddleiteHide

Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Space Group:
P63/m
Cell Parameters:
a = 10.0056 Å, c = 7.496 Å
Ratio:
a:c = 1 : 0.749
Unit Cell V:
649.9 ų
Z:
2
Morphology:
Tiny (10-100mum) acicular hexagonal prisms forming radiating rosettes

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.32 (40)
4.13 (40)
3.41 (20)
3.26 (30)
2.988 (100)
2.877 (40)
2.072 (20)
(
(

Type Occurrence of MattheddleiteHide

Place of Conservation of Type Material:
Royal Museum of Scotland, Edinburgh, Scotland and at the British Museum (NH), London, England

Synonyms of MattheddleiteHide

Other Language Names for MattheddleiteHide

Relationship of Mattheddleite to other SpeciesHide

Other Members of this group:
ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm

Common AssociatesHide

AnglesitePbSO4
CaledonitePb5Cu2(SO4)3(CO3)(OH)6
CerussitePbCO3
HydrocerussitePb3(CO3)2(OH)2
LanarkitePb2(SO4)O
LeadhillitePb4(CO3)2(SO4)(OH)2
MacphersonitePb4(CO3)2(SO4)(OH)2
PyromorphitePb5(PO4)3Cl
SusannitePb4(CO3)2(SO4)(OH)2
Associated Minerals Based on Photo Data:
Caledonite14 photos of Mattheddleite associated with Caledonite on mindat.org.
Lanarkite6 photos of Mattheddleite associated with Lanarkite on mindat.org.
Susannite5 photos of Mattheddleite associated with Susannite on mindat.org.
Unnamed (Cu-Pb Silicate ?)3 photos of Mattheddleite associated with Unnamed (Cu-Pb Silicate ?) on mindat.org.
Leadhillite2 photos of Mattheddleite associated with Leadhillite on mindat.org.
Anglesite2 photos of Mattheddleite associated with Anglesite on mindat.org.
Diaboleite1 photo of Mattheddleite associated with Diaboleite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.AH.05Iimoriite-(Y)Y2[SiO4][CO3]Tric.
9.AH.10Tundrite-(Ce)Na2Ce2Ti(SiO4)(CO3)2O2Tric. 1 : P1
9.AH.10Tundrite-(Nd)Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2
9.AH.15SpurriteCa5(SiO4)2(CO3)Mon.
9.AH.20TernesiteCa5(SiO4)2(SO4)Orth. mmm (2/m 2/m 2/m) : Pnma
9.AH.25Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
9.AH.25Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m
9.AH.25FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
9.AH.25HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
9.AH.25Tritomite-(Ce)Ce5(SiO4,BO4)3(OH,O)
9.AH.25Tritomite-(Y)Y5(SiO4,BO4)3(O,OH,F)
9.AH.25Fluorcalciobritholite(Ca,REE)5(SiO4,PO4)3FHex. 6/m : P63/m
9.AH.25Fluorbritholite-(Y)(Y,Ca)5(SiO4)3FHex. 6/m : P63/m

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

52.4.9.1Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
52.4.9.2Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
52.4.9.3FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
52.4.9.4HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
52.4.9.5ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
52.4.9.7Karnasurtite-(Ce)(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O
52.4.9.8Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.10.1NoseanNa8(Al6Si6O24)(SO4) · H2OIso. 4 3m : P4 3n
17.10.2PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2OHex.
17.10.3Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2OHex. 6 : P63
17.10.4Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)Iso. 4 3m : P4 3n
17.10.5Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4Hex.
17.10.6Latiumite(Ca,K)4(Si,Al)5O11(SO4,CO3)Mon.
17.10.7Tuscanite(K(Ca,Na)6(Si,Al)10O22[SO4,CO3,(OH)2] · H2OMon.
17.10.8MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2Hex.
17.10.9Delhayelite(Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3 · 18H2OOrth.
17.10.10HydrodelhayeliteKCa2AlSi7O17(OH)2 · 6H2OOrth.
17.10.11Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2Hex. 6/m : P63/m
17.10.12Afghanite(Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6Trig. 3m : P3 1c
17.10.13Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2OHex.
17.10.14Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2Hex.
17.10.15Sacrofanite(Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6•2H2OHex.
17.10.16Chessexite(Na,K)4Ca2(Mg,Zn)3Al8(SO4)10(SiO4)2 · 40H2OOrth.
17.10.17InneliteNa2CaBa4Ti3(Si2O7)2(SO4)2O4Tric. 1 : P1
17.10.18ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2OHex. 6 : P63
17.10.19Ellestadite
17.10.20ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
17.10.21HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
17.10.22FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex.
17.10.24QueititePb4Zn2(SO4)(SiO4)(Si2O7)Mon. 2 : P21
17.10.25RoeblingitePb2Ca6Mn2+(Si3O9)2(SO4)2(OH)2 · 4H2OMon. 2/m : B2/m
17.10.26YoshimuraiteBa2Mn2Ti(Si2O7)(PO4)O(OH)Tric. 1 : P1
17.10.27KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.
17.10.28Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2OHex.
17.10.29MacquartiteCu2Pb7(CrO4)4(SiO4)2(OH)2Mon.
17.10.30WeliniteMn2+6(W6+,Mg)2(SiO4)2(O,OH)6Trig. 3 : P3

Fluorescence of MattheddleiteHide

Dull yellow in SW

Other InformationHide

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 MattheddleiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Livingstone, A., Ryback, G., Fejer, E. E., Stanley, C.J. (1987) Mattheddleite, a new mineral of the apatite group from Leadhills, Strathclyde region. Scottish Journal of Geology: 23: 1-8.
American Mineralogist (1988): 73: 929 (abstract).
Steele, I.M., Pluth, J.J., A. Livingstone (2000): Crystal structure of mattheddleite: a Pb, S, Si phase with the apatite structure. Mineralogical Magazine. 64: 915-921.
Essene, E.J., C.E.Henderson & A. Livingstone (2006): The missing sulphur in mattheddleite, sulphur analysis of sulphates, and paragenetic relations at Leadhills, Scotland. Mineralogical Magazine. 70 : 265-280
Pasero, M., Kampf, A. R., Ferraris, C., Pekov, I. V., Rakovan, J. and White, T. J. (2010): Nomenclature of the apatite supergroup minerals. European Journal of Mineralogy 22, 163-179

Internet Links for MattheddleiteHide

Localities for MattheddleiteHide

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.
France
 
  • 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.
    • Aveyron
      • Asprières
Leconte J., Hatert F., Grégoire L., (2016) - Bréziès, Asprières, Aveyron, France - Micromonteurs, p. 72
Germany
 
  • Lower Saxony
    • Harz
      • Clausthal-Zellerfeld
        • Bockswies veins
          • Oberschulenberg
Markus Gerstmann Collection
Italy
 
  • Veneto
    • Vicenza Province
      • Torrebelvicino
        • Mercanti Valley
Boscardin, M., Rocchetti I., Zorzi, F. (2014): Mattheddleite del Monte Trisa, Torrebelvicino, Vicenza, Veneto, Italia. GMT 2014 Giornate Mineralogiche di Tavagnasco, 6-8 giugno 2014. Plinius, 40, 153.
UK
 
  • England
    • Co. Durham
      • North Pennines
        • Weardale
          • Bollihope District
Norman Wilson collection
    • Cornwall
      • Crantock
BMS Newsletter 79, March 2010 (http://britishmicromountsociety.homestead.com/Gannell-Smelter.html)
      • St Hilary
[UKJMM 16:15]
    • Cumbria
      • Caldbeck Fells
        • Deer Hills
Cooper, M.P. and Stanley, C.J. (1991) Famous mineral localities: Pyromorphite group minerals from the Caldbeck Fells, Cumbria, England. Mineralogical Record, 22(2), 105-121.
        • Roughton Gill
UK Journal of Mines and Minerals: 16: 15.; Cooper, M.P. and Stanley, C.J. (1991) Famous mineral localities: Pyromorphite group minerals from the Caldbeck Fells, Cumbria, England. Mineralogical Record, 22(2), 105-121.; Mineralogical Record (2010) 41: 21-45 (Supplement - Classic Minerals of Northern England).
Journal of The Russell Society, Volume 9, 2006
Cooper, M.P., Green, D.I., and Braithwaite, R.S.W (1988) The occurrence of mattheddleite in the Caldbeck Fells, Cumbria: a preliminary note. UK Journal of Mines & Minerals, 5, 21.; Green, D.I. (1989) Scotlandite from Higher Roughton Gill, Caldbeck Fells, Cumbria. Mineralogical Magazine, vol. 53, n° 373, 653.; Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. British Museum (Natural History), London. Green, D.I., Bridges, T.F., Rumsey, M.S., Leppington, C.M., and Tindle, A.G. (2008) A review of the mineralogy of the Roughton Gill Mines, Caldbeck Fells, Cumbria: Part 2 The Roughton Gill South Vein on Balliway Rigg. Journal of The Russell Society, vol. 11, 3-28.
Cooper, M.P., Green, D.I., and Braithwaite, R.S.W. (1988) The occurrence of mattheddleite in the Caldbeck Fells, Cumbria: a preliminary note. UK Journal of Mines and Minerals 5, 21.; Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. British Museum (Natural History), London.; Cooper, M.P. and Stanley, C.J. (1991) Famous mineral localities: Pyromorphite group minerals from the Caldbeck Fells, Cumbria, England. Mineralogical Record, 22(2), 105-121.; UK Journal of Mines & Minerals (1996) 16: 15.; Bridges, T.F., Green, D.I., Rumsey, M.S., and Leppington, C.M. (2008) A review of the mineralisation at Red Gill Mine, Caldbeck Fells, Cumbria, England. Journal of the Russell Society, vol. 11, 29-47.
UK Journal of Mines and Minerals 16: 15.; Cooper, M.P. and Stanley, C.J. (1991) Famous mineral localities: Pyromorphite group minerals from the Caldbeck Fells, Cumbria, England. Mineralogical Record, 22(2), 105-121.; Bridges, T.F., Green, D., Rumsey, M.S., and Leppington, C.M. (2011) A review of the mineralisation of the Roughton Gill mines, Caldbeck Fells, Cumbria: Part 3 Roughton Gill Mine. Journal of the Russell Society, vol. 14, 3-23.
    • Derbyshire
      • Whitwell
vanadinite and descloizite, probably the best yet to be found in England and the secondary lead mineral suite including leadhillite, lanarkite, cerussite, anglesite, pyromorphite, scotlandite, mattheddleite and possibly susannite. Other minerals found were barite, calcite, hemimorphite, and sphalerite.
    • Somerset
      • Cranmore
Turner, R.W. and Rumsey, M.S. (2010): Mineral Relationships in the Mendip Hills. Journal of the Russell Society, vol 13, pp 3-46.
  • Scotland
    • Dumfries and Galloway
      • Wanlockhead
        • Wanlock Dod-Whytes Cleuch
S Rust Collection
M.Wirth collection
S Rust collection
S.Rust Collection
    • South Lanarkshire
Livingstone, A., Ryback, G., Fejer, E. E., Stanley, C.J. (1987) Mattheddleite, a new mineral of the apatite group from Leadhills, Strathclyde region. Scottish Journal of Geology: 23: 1-8.
S Rust collection; Jackson, B. (1990). Queitite, a first Scottish occurrence. Scottish Journal of Geology, 26(1), 57-58.
S.Rust Collection
        • Wanlock Dod
S.Rust collection
S.Rust Collection
  • Wales
    • Caerphilly
      • Machen
Minerals of Machen Quarry, Plant & Jones, Journal of the Russell Society, Vol 6, Pt 1, 1995
    • Ceredigion
      • Ceulanymaesmawr
        • Talybont
S.Rust collection
          • Nant-y-Moch Reservoir area
S.Rust collection
[UKJMM 16:15]
      • Trefeirig
        • Pen-bont Rhydybeddau
[UKJMM 16:15]
S Rust Collection
      • Upper Llanfihangell-y-Creuddyn
        • Pontrhydygroes
BMS Database, UKJMM 17
      • Ysbyty Ystwyth
S Rust collection
S.Rust collection
USA
 
  • Arizona
    • Maricopa Co.
      • Big Horn Mts
        • Osborn District
          • Tonopah
            • Belmont Mountain
              • Tiger Wash
Raman analyzed at the University of Arizona.; Yang, H., Andrade, M.B., Downs, R.T., Gibbs, R.B., Jenkins, R.A. (2016): Raygrantite, Pb10Zn(SO4)6(SiO4)2(OH)2, a new mineral isostructural with iranite, from Big Horn Mountains, Maricopa County, Arizona, USA. Canadian Mineralogist: 54: 625-634.
  • California
    • San Bernardino Co.
      • Silver Lake District
        • Soda Mts
          • Baker
            • Otto Mountain
Collected by and in the collection of Brent Thorne. SEM-EDS and PXRD verified.
Collected by and in the collection of Brent Thorne. PXRD and EDS confirmed.
Mineral and/or Locality  
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