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Johnsomervilleite

A valid IMA mineral species
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09803880017271924074828.jpg
Johnsomervilleite, etc.

Sapucaia mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
05530460017271924164090.jpg
Johnsomervilleite

Sapucaia mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
08563430017271924196829.jpg
Johnsomervilleite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland
09803880017271924074828.jpg
Johnsomervilleite, etc.

Sapucaia mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
05530460017271924164090.jpg
Johnsomervilleite

Sapucaia mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
08563430017271924196829.jpg
Johnsomervilleite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland
09803880017271924074828.jpg
Johnsomervilleite, etc.

Sapucaia mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
05530460017271924164090.jpg
Johnsomervilleite

Sapucaia mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
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About JohnsomervilleiteHide

Formula:
Na3CaFe11(PO4)9
Originally given, i.a., as
{Ca}{Na6◻2}{Ca6Na2}{(Fe2+,Mg,Mn2+)43}(PO4)36; the above IMA formula is wrong
Colour:
Dark brown to blackish gray, pitch-black
Lustre:
Sub-Vitreous, Resinous
Hardness:
4½
Specific Gravity:
3.35
Crystal System:
Trigonal
Member of:
Fillowite Group
Name:
Named in 1980 by A. Livingstone in memory of Mr John M. Somerville (1908-1978) who presented to the Royal Scottish Museum a specimen of garnet-quartz rock, which contained the new species.
Fillowite Group. The Ca analogue of chladniite and fillowite. Also the Fe analogue of galileiite.


Unique IdentifiersHide

Mindat ID:
2107
Long-form identifier:
mindat:1:1:2107:0

IMA Classification of JohnsomervilleiteHide

IMA status:
Approved
IMA status notes:
Redefined by the IMA
IMA Formula:
Na3CaFe2+11(PO4)9
Approval year:
1979
First published:
1980
Approval history:
Formula redefinition: https://www.eur-j-mineral.net/32/275/2020/
Type description reference:
Livingstone, A. (1980) Johnsomervilleite, a new transition-metal phosphate mineral from the Loch Quoich area, Scotland. Mineralogical Magazine, 43 (331) 833-836 doi:10.1180/minmag.1980.043.331.01

Classification of JohnsomervilleiteHide

Strunz-mindat (2026):
8.AC.50

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th ed.:
38.2.9.2
Dana 8th ed.:
38.2.5.2

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
2 : (AB)5(XO4)3
Hey's CIM Ref.:
19.12.31

19 : Phosphates
12 : Phosphates of Mn

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference for Standard
JsvIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
JsvThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of JohnsomervilleiteHide

Lustre:
Sub-Vitreous, Resinous
Transparency:
Translucent
Colour:
Dark brown to blackish gray, pitch-black
Streak:
Light brown; gray-brown with an olive tint
Hardness:
4½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Probably {0001}
Fracture:
Splintery, Sub-Conchoidal
Density:
3.35 g/cm3 (Measured)    3.41 g/cm3 (Calculated)

Optical Data of JohnsomervilleiteHide

Type:
Uniaxial (+/-)
RI values:
nα = 1.655 nβ = 1.655
2V:
Measured: 10°
Surface Relief:
Moderate
Comments:
Anomalously biaxial: α = 1.655 β = ∼1.655 γ = n.d. 2V(meas.) = 10◦
n = 1.646(1) (metamict)

Chemistry of JohnsomervilleiteHide

Mindat Formula:
Na3CaFe11(PO4)9

Originally given, i.a., as
{Ca}{Na6◻2}{Ca6Na2}{(Fe2+,Mg,Mn2+)43}(PO4)36; the above IMA formula is wrong
Element Weights:
Element% weight
Fe38.927 %
O36.499 %
P17.665 %
Na4.370 %
Ca2.540 %

Calculated from ideal end-member formula.
Elements listed:
Ca, Fe, Na, O, P - search for minerals with similar chemistry

Crystallography of JohnsomervilleiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 15.00 Å, c = 42.75 Å
Ratio:
a:c = 1 : 2.85
Unit Cell V:
8,330.08 ų (Calculated from Unit Cell)
Z:
18
Morphology:
Anhedral grains
Comment:
may be metamict

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.764 Å(100)
3.70 Å(70)
3.55 Å(70)
2.965 Å(70)
11.20 Å(50)
2.501 Å(40)
1.852 Å(20)
Comments:
Loch Quoich, Scotland, UK. The data are from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 2: Planetesimal differentiation and alteration4.566-4.550
5 : Primary asteroid phases4.566–4.560
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Geological Setting:
Granite pegmatite

Type Occurrence of JohnsomervilleiteHide

Type Locality:
ⓘ Loch Quoich, Caol and Mallaig, Highland, Scotland, UK
General Appearance of Type Material:
Gray to pink greasy grains up to 4 mm in size.
Place of Conservation of Type Material:
Scottish Mineral Collection of the Royal Scottish Museum, Edinburgh.
Geological Setting of Type Material:
Granite pegmatite pods in kyanite-sillimanite gneiss.
Associated Minerals at Type Locality:
AlbiteAlmandineFluorapatiteGraftoniteJahnsite Subgroup
MitridatiteMuscovitePhosphosideriteQuartzRockbridgeite
Vivianite
Reference:
Livingstone, A. (1980) Johnsomervilleite, a new transition-metal phosphate mineral from the Loch Quoich area, Scotland. Mineralogical Magazine, 43 (331) 833-836 doi:10.1180/minmag.1980.043.331.01

Synonyms of JohnsomervilleiteHide

Other Language Names for JohnsomervilleiteHide

Relationship of Johnsomervilleite to other SpeciesHide

Member of:
Fillowite Group
Other Members of Fillowite Group:
ChladniiteNa3CaMg11(PO4)9Trig. 3 : R3
FillowiteNa3CaMn2+11(PO4)9Trig. 3 : R3
GalileiiteNa3Fe2+Fe2+11(PO4)9Trig. 3 : R3

Common AssociatesHide

Associations Based on Photo Data:
5 photos of Johnsomervilleite associated with Barićite(Mg,Fe)3(PO4)2 · 8H2O
4 photos of Johnsomervilleite associated with Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O
3 photos of Johnsomervilleite associated with PhosphosideriteFePO4 · 2H2O
3 photos of Johnsomervilleite associated with VivianiteFe2+Fe2+2(PO4)2 · 8H2O
1 photo of Johnsomervilleite associated with FluorapatiteCa5(PO4)3F
1 photo of Johnsomervilleite associated with MuscoviteKAl2(AlSi3O10)(OH)2

Related Minerals - Strunz-mindat GroupingHide

8.AC.'Crocobelonite-1M'CaFe3+2O(PO4)2Mon. 2/m : P21/m
8.AC.MagnesioqingheiiteNa2Mg(MgAl)(PO4)3Mon. 2/m
8.AC.ManganobadaloviteNaNaMn(MgFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.Changesite-(Y)(Ca8Y)◻Fe2+(PO4)7Trig. 3m : R3c
8.AC.Babunaite-(Nd)NdAsO4Tet. 4/m : I41/a
8.AC.CrocobeloniteCaFe3+2O(PO4)2Orth. mmm(2/m2/m2/m) : Pnma
8.AC.WopmayiteCa6Na3◻Mn(PO4)3(PO3OH)4 Trig. 3m : R3c
8.AC.BeershevaiteCaFe3+3(PO4)3OMon. 2/m : P21/m
8.AC.Epiebnerite(NH4)Zn(PO4)Mon. 2 : P21
8.AC.Ebnerite(NH4)Zn(PO4)Hex. 6 : P63
8.AC.XDyrnaesite-(La)Na8Ce4+(La,REE)2(PO4)6Orth. mmm(2/m2/m2/m) : Pnma
8.AC.EdtolliteK2NaCu5Fe3+O2(AsO4)4Tric. 1 : P1
8.AC.AngarfiteNaFe3+5(PO4)4(OH)4 · 4H2O Orth. 222 : C2221
8.AC.KabaloviteFe2+3Fe3+4(PO4)6Tric. 1 : P1
8.AC.Nazarchukite Ca2NiFe3+2(PO4)4Orth. mmm(2/m2/m2/m) : Pbca
8.AC.CalciohatertiteNaNaCa(CaFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.AlumoedtolliteK2NaCu5AlO2(AsO4)4Tric. 1 : P1
8.AC.02GrigorieviteCu3Fe3+2Al2(VO4)6Tric. 1 : P1
8.AC.02KoksharoviteCaMg2Fe3+4(VO4)6Tric. 1 : P1
8.AC.02ZiminaiteFe3+ 6 (VO4)6Tric. 1 : P1
8.AC.05HatertiteNa2(Ca,Na)(Fe3+,Cu)2(AsO4)3Mon. 2/m : B2/b
8.AC.05ErikapohliteCu3(Zn,Cu,Mg)4Ca2(AsO4)6 · 2H2OMon. 2/m : B2/m
8.AC.05'Unnamed (Na-Mg Arsenate Hydroxyarsenate)'NaMg3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05'Unnamed (Na-Zn-H Arsenate Hydroxyarsenate)'Na(Na0.6Zn0.4)Zn2(H0.6AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05CalciojohilleriteNaCaMg3(AsO4)3Mon. 2/m : B2/b
8.AC.05Magnesiohatertite(Na,Ca)2Ca(Mg,Fe3+)2(AsO4)3Mon. 2/m : B2/b
8.AC.05 va'Alluaudite-Na[]'◻4Na4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
8.AC.05 va'Alluaudite-Ca[]'◻4Ca4Mn2+4Fe3+8(PO4)12Mon. 2/m : B2/b
8.AC.05 va'Ferroalluaudite-NaNa'Na4Na4Fe2+4Fe3+8(PO4)12Mon. 2/m : B2/m
8.AC.05'Hagendorfite-NaNa'NaNaFe2+(Mn2+,Mn3+)(PO4)3 (?)Mon. 2/m : B2/b
8.AC.05O'DanieliteNa(Zn,Mg)3(AsO4)(AsO3OH)2Mon. 2/m : B2/b
8.AC.05HowardevansiteNaCuFe2(VO4)3Tric. 1 : P1
8.AC.05KhrenoviteNa3Fe3+2(AsO4)3Mon. 2/m : B2/b
8.AC.05ZincobradaczekiteNaZn2Cu2(AsO4)3Mon. 2/m : B2/b
8.AC.05ParaberzeliiteNaCa2Mg2(AsO4)3Mon. 2/m : B2/b
8.AC.05BadaloviteNa2Mg2Fe(AsO4)3Mon. 2/m : B2/b
8.AC.05MagnesiocanutiteNaMnMg2[AsO4]2[AsO2(OH)2]Mon. 2/m : B2/b
8.AC.05ManganohatertiteNaNaCa(MnFe3+)(AsO4)3Mon. 2/m : B2/b
8.AC.05CamanchacaiteNaCaMg2[AsO4][AsO3(OH)]2Mon. 2/m : B2/b
8.AC.07ZhanghuifeniteNa3Mn4Mg2Al(PO4)6Mon. 2/m
8.AC.07FerrobobfergusoniteNa2Fe2+5Fe3+Al(PO4)6Mon.
8.AC.10HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
8.AC.10'Ferrohagendorfite'NaCaFe2+Fe2+2(PO4)3Mon.
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3Mon. 2/m : B2/b
8.AC.10VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3Mon. 2/m : B2/b
8.AC.10ArseniopleiteNaCaMnMn2(AsO4)3Mon. 2/m
8.AC.10GroatiteNaCaMn2(PO4)[PO3(OH)]2Mon. 2/m : B2/b
8.AC.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon. 2/m : B2/b
8.AC.10BradaczekiteNaCu4(AsO4)3Mon. 2/m : B2/b
8.AC.10Caryinite(Na,Pb)(Ca,Na)CaMn2+2(AsO4)3Mon. 2/m
8.AC.10Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3Mon. 2/m : B2/b
8.AC.10Maghagendorfite(Na,◻)MgMn2+(Fe2+,Fe3+)2(PO4)3Mon. 2/m
8.AC.15Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15QingheiiteNaNaMn2+(MgAl)(PO4)3Mon. 2/m : P21/b
8.AC.15Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
8.AC.15FerroqingheiiteNaNaFe2+(MgAl)(PO4)3Mon. 2/m : P21/m
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3Mon. 2/m
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
8.AC.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
8.AC.17CzochralskiiteNa4Ca3Mg(PO4)4Orth. mmm(2/m2/m2/m) : Pnma
8.AC.18ManitobaiteNa16Mn2+ 25Al8(PO4)30Mon. m : Pb
8.AC.20MarićiteNaFe2+(PO4)Orth. mmm(2/m2/m2/m) : Pmna
8.AC.25Schäferite(NaCa2)Mg2(VO4)3Iso. m3m(4/m32/m) : Ia3d
8.AC.25Berzeliite(NaCa2)Mg2(AsO4)3Iso. m3m(4/m32/m) : Ia3d
8.AC.25MatyhiteCa18(Ca,◻)2Fe2+2(PO4)14Trig. 3m : R3c
8.AC.25Hedegaardite(Ca,Na)9(Ca,Na)Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.25Manganberzeliite(NaCa2)Mn2+2(AsO4)3Iso. m3m(4/m32/m) : Ia3d
8.AC.25Palenzonaite(NaCa2)Mn2+2(VO4)3Iso. m3m(4/m32/m) : Ia3d
8.AC.30BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · Trig. 3 : P3
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2Trig. 3m(32/m) : P3m1
8.AC.45Magnesiochangesite-(Ce)(Ca8Ce)◻Mg(PO4)7Trig. 3m : R3c
8.AC.45TuiteCa3(PO4)2Trig. 3m(32/m) : R3m
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7Trig. 3m : R3c
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.45Magnesiochangesite-(Y)(Ca8Y)◻ Mg(PO4)7Trig. 3m : R3m
8.AC.45Changesite-(Ce)(Ca8Ce)◻Fe2+(PO4)7Trig. 3m : R3c
8.AC.45MerrilliteCa9NaMg(PO4)7Trig. 3m : R3m
8.AC.45WhitlockiteCa9Mg(PO4)6(PO3OH)Trig. 3m : R3c
8.AC.47IwateiteNa2BaMn(PO4)2Trig. 3 : P3
8.AC.47OzerovaiteNa2KAl3(AsO4)4Orth. mmm(2/m2/m2/m) : Cmca
8.AC.47YurmariniteNa7(Fe3+,Mg,Cu)4(AsO4)6Trig. 3m(32/m) : R3c
8.AC.47PansneriteK3Na3(Fe3+,Al)6(AsO4)8Orth. mmm(2/m2/m2/m)
8.AC.47AnatolyiteNa6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6Trig. 3m(32/m) : R3c
8.AC.50FillowiteNa3CaMn2+11(PO4)9Trig. 3 : R3
8.AC.50GalileiiteNa3Fe2+Fe2+11(PO4)9Trig. 3 : R3
8.AC.50XenophylliteNa4Fe2+7(PO4)6Tric. 1 : P1
8.AC.50UdinaiteNaMg4(VO4)3Tet. 42m : I42d
8.AC.50ArsenudinaiteNaMg4(AsO4)3Tet. 42m : I42d
8.AC.50ChladniiteNa3CaMg11(PO4)9Trig. 3 : R3
8.AC.52Lasnierite(Ca,Sr)(Mg,Fe2+)2Al(P[O,F]4)3Orth. mmm(2/m2/m2/m) : Pbcn
8.AC.55PharmazinciteKZnAsO4Hex. 6 : P63
8.AC.57ZubkovaiteCa3Cu3(AsO4)4Mon. 2 : B2
8.AC.60KosnariteKZr2(PO4)3Trig. 3m(32/m) : R3c
8.AC.65Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2Mon. 2/m : P21/b
8.AC.70StanfielditeCa4Mg5(PO4)6Mon.
8.AC.75RonneburgiteK2MnV4O12Mon. 2/m
8.AC.80TillmannsiteAg3Hg[(V,As)O4]Tet. 4 : I4
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m

Fluorescence of JohnsomervilleiteHide

In UV light:
Not fluorescent with LW or SW UV.

Other InformationHide

Notes:
Soluble in 20% HCl, H2SO4, and HNO3.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for JohnsomervilleiteHide

References for JohnsomervilleiteHide

Localities for JohnsomervilleiteHide

Showing 13 localities.

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.
Hide all sections | Show all sections

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Chubut Province
    • Tehuelches department
      • Nueva Lubecka
Abstracts of the Lunar and Planetary Science Conference et al. (1990)
Brazil
 
  • Minas Gerais
    • Galiléia
      • Sapucaia do Norte
Cassedanne et al. (1999)
Canada
 
  • Ontario
    • Kenora District
      • Campfire Lake
Černý et al. (1998) +1 other reference
Finland
 
  • South Ostrobothnia
    • Seinäjoki
Ilkka Mikkola collection
Italy
 
  • Lombardy
    • Lecco Province
      • Colico
        • Piona Peninsula
Vignola et al. (2010)
Mexico
 
  • Chihuahua
    • López Municipality
Olsen +1 other reference
Rwanda
 
  • Western Province
Fransolet et al. (1998)
Spain
 
  • Castile and Leon
    • Salamanca
      • Aldehuela de la Bóveda
Roda et al. (2001)
      • Garcirrey
Roda et al. (2004) +1 other reference
UK (TL)
 
  • Scotland
    • Highland
      • Caol and Mallaig
Livingstone (1980) +1 other reference
Ukraine
 
  • Kirovohrad Oblast
Lyzhachenko et al. (2019)
USA
 
  • Arkansas
    • Independence County
Olsen +1 other reference
  • New Mexico
    • Cibola County
      • Grants
Olsen et al. (1993)
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