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Metaswitzerite

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About MetaswitzeriteHide

Formula:
Mn2+3(PO4)2 · 4H2O
Colour:
Light golden brown, pale pink, white
Lustre:
Adamantine, Sub-Vitreous, Resinous, Pearly
Hardness:
Specific Gravity:
2.95
Crystal System:
Monoclinic
Name:
Material originally described as switzerite by John S. White, Peter B. Leavens in 1967, was defined as metaswitzerite by John S. White, Peter B. Leavens, and Pier F. Zanazzi in 1986.

The original material was found to be a dehydrated product (meta) of the redefined switzerite.
Isostructural with:
Metaswitzerite forms when switzerite rapidly and irreversibly dehydrates in air (within minutes).

Structurally related to castellaroite.


Classification of MetaswitzeriteHide

Approved
First Published:
1967
8.CE.25

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
40.3.5.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
19.12.1

19 : Phosphates
12 : Phosphates of Mn

Physical Properties of MetaswitzeriteHide

Adamantine, Sub-Vitreous, Resinous, Pearly
Transparency:
Transparent, Translucent
Colour:
Light golden brown, pale pink, white
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
Perfect on {100}
Fair on {010}
Density:
2.95 g/cm3 (Measured)    3.18 g/cm3 (Calculated)
Comment:
Also D = 2.96

Optical Data of MetaswitzeriteHide

Type:
Biaxial (-)
RI values:
nα = 1.602 nβ = 1.628 nγ = 1.632
2V:
Measured: 42° , Calculated: 42°
Birefringence:
0.030
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
very weak r < v
Optical Extinction:
Y = b, Z ^ c = 10.5°
Pleochroism:
Visible
Comments:
Light to dark red-brown

Chemical Properties of MetaswitzeriteHide

Formula:
Mn2+3(PO4)2 · 4H2O

Crystallography of MetaswitzeriteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/b
Setting:
P2/a
Cell Parameters:
a = 17.099 Å, b = 12.694 Å, c = 8.282 Å
β = 95.91°
Ratio:
a:b:c = 1.347 : 1 : 0.652
Unit Cell V:
1,788.09 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Tabular to bladed bent crystals.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.55 (100)
7.128 (40)
6.775 (40)
3.175 (40)
2.934 (40)
2.842 (40)
2.760 (40)
2.585 (60)

Type Occurrence of MetaswitzeriteHide

Place of Conservation of Type Material:
Smithsonian Institute
Geological Setting of Type Material:
Fracture surfaces in granite pegmatite
Associated Minerals at Type Locality:

Other Language Names for MetaswitzeriteHide

Common AssociatesHide

ScholziteCaZn2(PO4)2 · 2H2O
VivianiteFe2+3(PO4)2 · 8H2O
Associated Minerals Based on Photo Data:
Vivianite5 photos of Metaswitzerite associated with Vivianite on mindat.org.
Scholzite3 photos of Metaswitzerite associated with Scholzite on mindat.org.
Albite3 photos of Metaswitzerite associated with Albite on mindat.org.
Bermanite2 photos of Metaswitzerite associated with Bermanite on mindat.org.
Rockbridgeite2 photos of Metaswitzerite associated with Rockbridgeite on mindat.org.
Cryptomelane1 photo of Metaswitzerite associated with Cryptomelane on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.CE.XBabánekiteCu3(AsO4)2 · 8H2O Mon. 2/m : B2/m
8.CE.05Chudobaite(Mg,Zn)5(AsO4)2(HAsO4)2 · 10H2OTric.
8.CE.05GeigeriteMn2+5(AsO4)2(HAsO4)2 · 10H2OTric.
8.CE.10NewberyiteMg(HPO4) · 3H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.CE.15BrassiteMg(HAsO4) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.CE.20PhosphorrössleriteMg(HPO4) · 7H2OMon. 2/m : P2/b
8.CE.20RößleriteMg(HAsO4) · 7H2OMon. 2/m : B2/b
8.CE.25Switzerite(Mn,Fe)3(PO4)2 · 7H2OMon.
8.CE.30LindackeriteCuCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30OndrušiteCaCu4(AsO4)2(HAsO4)2 · 10H2OTric. 1 : P1
8.CE.30VeselovskýiteZnCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30PradetiteCoCu4(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CE.30KlajiteMnCu4(AsO4)2(HAsO4)2 · 9-10H2OTric. 1 : P1
8.CE.35BobierriteMg3(PO4)2 · 8H2OMon. 2/m : B2/b
8.CE.40AnnabergiteNi3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ArupiteNi3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40Barićite(Mg,Fe)3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40ErythriteCo3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40FerrisymplesiteFe3+3(AsO4)2(OH)3 · 5H2O
8.CE.40HörnesiteMg3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40KöttigiteZn3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40Manganohörnesite(Mn,Mg)3(AsO4)2 · 8H2OMon. 2/m : P2/m
8.CE.40ParasymplesiteFe2+3(AsO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40VivianiteFe2+3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.40PakhomovskyiteCo3(PO4)2 · 8H2OMon. 2/m : B2/m
8.CE.45SymplesiteFe2+3(AsO4)2 · 8H2OTric. 1 : P1
8.CE.50CattiiteMg3(PO4)2 · 22H2OTric. 1 : P1
8.CE.55KoninckiteFe3+PO4 · 3H2OTet.
8.CE.60KaňkiteFeAsO4 · 3.5H2OMon.
8.CE.65SteigeriteAl(VO4) · 3H2OMon. 2/m : P21/m
8.CE.70MetaschoderiteAl2(PO4)(VO4) · 6H2OMon. 2/m : P2/m
8.CE.70SchoderiteAl2(PO4)(VO4) · 8H2OMon.
8.CE.75MalhmooditeFeZr(PO4)2 · 4H2OMon.
8.CE.75ZigrasiteMgZr(PO4)2 · 4H2OTric. 1 : P1
8.CE.75Unnamed (Ca-analogue of Zigrasite)CaZr[PO4]2 · 4H2OTric.
8.CE.80SantabarbaraiteFe3+3(PO4)2(OH)3 · 5H2OAmor.
8.CE.85Metaköttigite(Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH)Tric. 1 : P1

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

40.3.5.1LudlamiteFe2+3(PO4)2 · 4H2OMon. 2/m : P21/b
40.3.5.3SterlinghilliteMn3(AsO4)2 · 4H2OTric. 1 : P1
40.3.5.4Switzerite(Mn,Fe)3(PO4)2 · 7H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.12.2BermaniteMn2+Mn3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P2/b
19.12.3NatrophiliteNaMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
19.12.4SidorenkiteNa3Mn2+(CO3)(PO4)Mon.
19.12.5Niahite(NH4)(Mn2+,Mg)(PO4) · H2OOrth. mm2 : Pmn21
19.12.6RobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. m : Bb
19.12.7PararobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. 2/m : P21/b
19.12.8SinkankasiteMn2+Al(PO3OH)2(OH) · 6H2OTric.
19.12.9MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2OTric.
19.12.10Heterosite(Fe3+,Mn3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
19.12.11Purpurite(Mn3+,Fe3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
19.12.12Wolfeite(Fe2+,Mn2+)2(PO4)(OH)Mon. 2/m : P21/b
19.12.13Triploidite(Mn2+,Fe2+)2(PO4)(OH)Mon. 2/m : P2/b
19.12.14LipscombiteFe2+Fe3+2(PO4)2(OH)2Tet.
19.12.15FrondeliteMn2+Fe3+4(PO4)3(OH)5Orth. 2 2 2 : C2 2 21
19.12.16RockbridgeiteFe2+Fe3+4(PO4)3(OH)5Orth. mmm (2/m 2/m 2/m)
19.12.17Kryzhanovskite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3Orth.
19.12.18LandesiteMn2+3-xFe3+x(PO4)2(OH)x · (3-x)H2OOrth.
19.12.19Phosphoferrite(Fe2+,Mn2+)3(PO4)2 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pmna
19.12.20Reddingite(Mn2+,Fe2+)3(PO4)2 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pmna
19.12.21EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2OMon.
19.12.22Hureaulite(Mn,Fe)5(PO4)2(HPO4)2 · 4H2OMon. 2/m : B2/b
19.12.23Switzerite(Mn,Fe)3(PO4)2 · 7H2OMon.
19.12.24LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
19.12.25PseudolaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
19.12.26StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
19.12.27StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
19.12.28Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3Mon.
19.12.29Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3
19.12.30Fillowite{Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36Trig. 3 : R3
19.12.31JohnsomervilleiteNa10Ca6Mg18Fe25(PO4)36Trig.
19.12.32WicksiteNaCa2(Fe2+,Mn2+)4MgFe3+(PO4)6 · 2H2OOrth. mmm (2/m 2/m 2/m)
19.12.33Dickinsonite-(KMnNa){KNa}{Mn2+◻}{Ca}{Na3}{Mn2+13}{Al}(PO4)12(OH)2Mon. 2/m : B2/b
19.12.34Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2Mon. 2/m : P21/b
19.12.35LudlamiteFe2+3(PO4)2 · 4H2OMon. 2/m : P21/b
19.12.36GraftoniteFe2+Fe2+2(PO4)2Mon. 2/m : P21/b
19.12.37WilhelmvierlingiteCaMnFe3+(PO4)2(OH) · 2H2OOrth.
19.12.38FairfielditeCa2Mn2+(PO4)2 · 2H2OTric. 1 : P1
19.12.39BeusiteMn2+Mn2+2 (PO4)2Mon.
19.12.40MesseliteCa2Fe2+(PO4)2 · 2H2OTric. 1 : P1
19.12.41Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
19.12.42Jahnsite-(CaMnMn){Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
19.12.43Jahnsite-(CaMnMg){Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
19.12.44KeckiteCaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2OMon. 2/m : P2/b
19.12.45StanfielditeCa4Mg5(PO4)6Mon.
19.12.46Laubmannite(Fe2+,Mn2+,Ca)3Fe3+6(PO4)4(OH)12
19.12.47ZodaciteCa4Mn2+Fe3+4(PO4)6(OH)4 · 12H2OMon.
19.12.48HagendorfiteNaCaMn2+Fe2+2(PO4)3Mon. 2/m : B2/b
19.12.49Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3Mon.
19.12.50VaruliteNaCaMn2+Mn2+2(PO4)3Mon. 2/m : B2/b
19.12.51GriphiteNa4Li2Ca6(Mn2+,Fe2+,Mg)19Al8(PO4)24(F,OH)8Iso. m3 (2/m 3)
19.12.52Attakolite(Ca,Sr)Mn(Al,Fe)4(HPO4,PO4)3(SiO4,PO4)(OH)4Mon. 2/m : B2/m
19.12.53Arrojadite-(KFe){KNa}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon.
19.12.54Lun'okite(Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
19.12.55EosphoriteMn2+Al(PO4)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m) : Cmca
19.12.56Ernstite(Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2OMon.
19.12.57ChildreniteFe2+Al(PO4)(OH)2 · H2OOrth. mm2 : Ccc2
19.12.58BobfergusoniteNa2Mn5FeAl(PO4)6Mon. 2/m : P2/b
19.12.59QingheiiteNaMn3+Mg(Al,Fe3+)(PO4)3Mon. 2/m : P21/b
19.12.60Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
19.12.61Whiteite-(CaMnMg){Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m
19.12.62Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
19.12.63Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2OMon.
19.12.64ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2OMon. 2/m : B2/b
19.12.65Samuelsonite(Ca,Ba)Ca8Fe2+2Mn2+2Al2(PO4)10(OH)2Mon. 2/m : B2/m

Fluorescence of MetaswitzeriteHide

Not fluorescent in UV

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 MetaswitzeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Leavens, P.B., White, J.S. (1967) Switzerite, (Mn, Fe)3(PO4)2·4H2O, a new mineral. American Mineralogist: 52: 1595-1602. (redefined as metaswitzerite)
White, J.S., Leavens, P.B., Zanazzi, P.F. (1986) Switzerite redefined as Mn3(PO4)2·7H2O, and metaswitzerite, Mn3(PO4)2·4H2O. American Mineralogist: 71: 1221-1223.
Zanazzi, P.F., Leavens, P.B., White, J.S. (1986) Crystal structure of switzerite, Mn3(PO4)2·7H2O, and its relationship to metaswitzerite, Mn3(PO4)2·4H2O. American Mineralogist: 71: 1224-1228.
Fanfani, L., Zanazzi, P.F. (1979) Switzerite: its chemical formula and crystal structure. Tschermaks Mineralogische und Petrographische Mitteilungen: 26: 255-269.
Kampf, A.R., Cámara, F., Ciriotti, M.E., Nash, B.P., Balestra, C., Chiappino, L. (2016) Castellaroite, Mn2+3(AsO4)2·4.5H2O, a new mineral from Italy related to metaswitzerite. European Journal of Mineralogy: 28: 687-696.

Internet Links for MetaswitzeriteHide

Localities for MetaswitzeriteHide

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.
Australia
 
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
Francis, G. A. (2010): Minerals of Iron Monarch. OneSteel, Whyalla, Australia, 165 pp; Pring A, Birch W D (1993) Gatehouseite, a new manganese hydroxy phosphate from Iron Monarch, South Australia. Mineralogical Magazine 57, 309-313
    • Flinders Ranges
      • South Flinders Ranges
        • Martins Well
Deyhdration from switzerite cf. Zanazzi et al. (1986), Amer. Mineral. 71, 1224-8.
        • Wilmington
Australian Journal of Mineralogy. Vol 5. No. 2. 1999. 55-62
Brazil
 
  • Minas Gerais
    • Conselheiro Pena
Sergio Varvello collection
Tony Nickischer
    • Galiléia
      • Sapucaia do Norte
Baijot, M., Hatert, F. & Philippo, S. (2012): Mineralogy and geochemistry of phosphates and silicates in the Sapucaia pegmatite, Minas Gerais, Brazil: Genetic implications. Canadian Mineralogist. 50, 1531-1554
Canada
 
  • Yukon
    • Dawson mining district
[Mineralogical Record Vol 23 No.4 pp18-19]
Robinson, G.W., Van Velthuizen, J., Ansell, H.G. & Sturman, B.D. (1992): Mineralogy of the Rapid Creek and Big Fish River area, Yukon Territory. Mineralogical Record 23, 1-47.
Finland
 
  • Western and Inner Finland Region
    • Orivesi
      • Eräjärvi area
Deyhdration from switzerite cf. Zanazzi et al. (1986), Amer. Mineral. 71, 1224-8.
Germany
 
  • Bavaria
    • Upper Palatinate
      • Waidhaus
        • Hagendorf
Deyhdration from switzerite cf. Zanazzi et al. (1986), Amer. Mineral. 71, 1224-8.
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
Blaß, G. & Graf, H.W. (1994) Neue Funde. Mineralien-Welt, 2/94, 46-47.; Bender, D. and Krimmelbein, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10.; Blaß, G. & Graf, H.W. (1994) Neufunde von bekannten Fundorten (9). Mineralien-Welt, 5 (1), 18-21.
Italy
 
  • Lombardy
    • Lecco Province
      • Colico
VIGNOLA, P., & DIELLA, V. (2007). Phosphates from Piona granitic pegmatites (Central Southern Alps, Italy). Granitic Pegmatites: the State of the Art. Book of Abstr.(T. Martins & R. Vieira, eds.). Universidade do Porto, Departamento de Geologia, Memórias, 8, 102-103.
Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011). Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38
Japan
 
  • Honshu Island
    • Kanto Region
      • Saitama Prefecture
        • Chichibu City
          • Urayama
K. Nishikubo, T. Yamada, A. Harada, M. Takizawa, K. Tange, Y. Kosuge, R. Miyawaki, and S. Matsubara (2005) "Rambergite from the Hirogawara mine, Urayama, Chichibu City, Saitama Prefecture, Japan"
Portugal
 
  • Guarda District
    • Gouveia
      • Folgosinho
Alves, P (2016). Folgosinho: Fosfatos secundarios de la mina Sitio do Castelo. Revista de Minerales 2015/2, 6-27. (in Spanish).
  • Viseu District
    • Mangualde
Deyhdration from switzerite cf. Zanazzi et al. (1986), Amer. Mineral. 71, 1224-8.
sergio varvello collection
USA
 
  • Connecticut
    • Fairfield Co.
      • Brookfield
Former Ronald Januzzi collection
      • Redding (Reading)
        • Branchville
Zanazzi et al. (1986), Deyhdration from switzerite cf. American Mineralogist: 71: 1224-8.; Januzzi, Ronald E. (1976), Mineral Localities of Connecticut and Southeastern New York State. Taylor Associates - Mineralogical Press, Danbury: 235.
  • Maine
    • Oxford Co.
      • Greenwood
        • Uncle Tom Mountain
Ray Sprague
      • Newry
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
      • Norway
Neil Wintringham
      • Paris
Dick Dionne
  • New Hampshire
    • Grafton Co.
      • Groton
Nashua Min. Soc. Display Cat., 1995
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
Jan H.Bernard and Jaroslav Hyrsl,2004,Minerals and their Localities,pg # 395; Rocks and Minerals, (1985) 60:76-82; Carolina Geological Society Field Trip Guidebook 1981, 39-48
  • South Dakota
    • Custer Co.
      • Custer District
        • Fourmile
Deyhdration from switzerite cf. Zanazzi et al. (1986), American Mineralogist: 71: 1224-1228.
Mineral and/or Locality  
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