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Bob Whitmore
Fe2+Fe23+(PO4)2(OH)2 · 4H2O
Yellow-brown, green-brown
Member of:
Named in 1974 by Paul Brian Moore, Anthony Robert Kampf, and A. J. Irving in honor of Robert Whitmore [b. September 20, 1936], mineral collector of Weare, New Hampshire (USA) and owner of the Palermo Pegmatite localities in Groton.
Isostructural with:
Arthurite Group. The phosphate analogue of Bendadaite.

Classification of Whitmoreite

Approved 1974

D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1

11 : (AB)3(XO4)2Zq·xH2O

19 : Phosphates
13 : Phosphates of Fe alone URL:
Please feel free to link to this page.

Type Occurrence of Whitmoreite

Place of Conservation of Type Material:
Smithsonian Washington DC 128069
Year of Discovery:

Occurrences of Whitmoreite

Geological Setting:
Secondary mineral in complex zoned granitic pegmatites.

Physical Properties of Whitmoreite

Sub-Adamantine, Vitreous
Diaphaneity (Transparency):
Yellow-brown, green-brown
Hardness (Mohs):
Fair on {100}
2.87(1) g/cm3 (Measured)    2.85 g/cm3 (Calculated)

Crystallography of Whitmoreite

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 10Å, b = 9.73(2) Å, c = 5.471(8) Å
β = 93.8°
a:b:c = 1.028 : 1 : 0.562
Unit Cell Volume:
V 531.16 ų (Calculated from Unit Cell)
Uncommon as pseudo-orthorhombic crystals, prismatic to acicular with chisel shape terminations. In fans, radiating sprays or balls.
Common by reflection on {100}

Optical Data of Whitmoreite

Biaxial (-)
RI values:
nα = 1.670 - 1.676 nβ = 1.712 - 1.725 nγ = 1.745 - 1.850
Measured: 60° to 65°, Calculated: 62°
Max Birefringence:
δ = 0.075 - 0.174
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
X=Y= light greenish brown to yellow
Z= dark greenish brown to yellowish green

Chemical Properties of Whitmoreite

Fe2+Fe23+(PO4)2(OH)2 · 4H2O
All elements listed in formula:
Common Impurities:

Relationship of Whitmoreite to other Species

Member of:
Other Members of Group:
ArthuriteCuFe23+(AsO4)2(OH)2 · 4H2O
BendadaiteFe2+Fe23+(AsO4)2(OH)2 · 4H2O
Cobaltarthurite(Co,Mg)Fe23+(AsO4)2(OH)2 · 4H2O
EarlshannoniteMn2+Fe23+(PO4)2(OH)2 · 4H2O
KunatiteCuFe23+(PO4)2(OH)2 · 4H2O
OjuelaiteZnFe23+(AsO4)2(OH)2 · 4H2O
UKI-2006-(PO:AlCuFeH)Fe2+Al3(PO4)2(OH)2 · 4H2O
UKI-2006-(PO:FeHZn)ZnFe23+(PO4)2(OH)2 · 4H2O
8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2O
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2O
8.DC.10LegranditeZn2(AsO4)(OH) · H2O
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 5H2O
8.DC.15ArthuriteCuFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15EarlshannoniteMn2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.15OjuelaiteZnFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15Cobaltarthurite(Co,Mg)Fe23+(AsO4)2(OH)2 · 4H2O
8.DC.15BendadaiteFe2+Fe23+(AsO4)2(OH)2 · 4H2O
8.DC.15KunatiteCuFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:FeHZn)ZnFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al3(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2O
8.DC.20BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
8.DC.20CoralloiteMn2+Mn23+(AsO4)2(OH)2 · 4H2O
8.DC.22KovdorskiteMg2(PO4)(OH) · 3H2O
8.DC.25FerristrunziteFe3+Fe23+(PO4)2(OH)3 · 5H2O
8.DC.25FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.25MetavivianiteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25StrunziteMn2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.27BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2O
8.DC.30LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30PseudolaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2O
8.DC.30StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30UshkoviteMgFe23+(PO4)2(OH)2 · 8H2O
8.DC.30FerrolaueiteFe2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2O
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2O
8.DC.32TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2O
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2O
8.DC.40CacoxeniteFe243+Al(PO4)17O6(OH)12 · 17H2O
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2O
8.DC.50WavelliteAl3(PO4)2(OH,F)3 · 5H2O
8.DC.50AllanpringiteFe33+(PO4)2(OH)3 · 5H2O
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2O
8.DC.55MapimiteZn2Fe33+(AsO4)3(OH)4 · 10H2O
8.DC.57OgdensburgiteCa2Fe43+(Zn,Mn2+)(AsO4)4(OH)6 · 6H2O
8.DC.60Nevadaite(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2O
8.DC.60Cloncurryite(Cu,VO)Al2(PO4)2(F,OH)2 · 4.5-5H2O
19.13.2StrengiteFePO4 · 2H2O
19.13.3PhosphosideriteFePO4 · 2H2O
19.13.4DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
19.13.5GiniiteFe2+Fe43+(PO4)3(OH)5 · 2H2O
19.13.7TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2O
19.13.8FerristrunziteFe3+Fe23+(PO4)2(OH)3 · 5H2O
19.13.9FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
19.13.10BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
19.13.11VivianiteFe32+(PO4)2 · 8H2O
19.13.12MetavivianiteFe2+Fe23+(PO4)2(OH)2 · 6H2O

Other Names for Whitmoreite

Name in Other Languages:

Other Information

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 Whitmoreite

Reference List:
Moore, P.B., Kampf, A.R. and Irving, A.J. (1974) Whitmoreite, Fe2+Fe3+2(OH)2(H2O)4[PO4]2, a new species: Its description and atomic arrangement. American Mineralogist: 59: 900-905.

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 654.

Internet Links for Whitmoreite

Localities for Whitmoreite

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.
  • Victoria
    • East Gippsland Shire
      • Omeo
        • Mt Wills Mining District
          • Glen Wills
Ryan Eagle
  • Hainaut Province (Henegouwen; Hennegau)
    • Mons
      • Blaton
Hatert, F., Deliens, M., Fransolet, A.-M. & van der Meersche, E. (2002): Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Ed., 304 p.
  • Minas Gerais
    • Doce valley
      • 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
Czech Republic
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Aš (Asch)
Breiter K., Škoda R., Veselovský F.: Neobvyklý P-, Li- a Sn-bohatý pegmatit z Vernéřova u Aše, Česká republika. Bulletin Mineralogicko-petrografického oddělení Národního muzea v Praze, 2009, roč. 17, č. 1, s. 41-59.
      • Horní Slavkov (Schlaggenwald)
        • Krásno (Schönfeld)
Sejkora, J., Škoda, R., Ondruš, P., Beran, P. & Susser, C. (2006): Mineralogy of phosphate accumulations in the Huber stock, Krásno ore district, Slavkovský les area, Czech Republic. Journal of the Czech Geological Society 51, 103-147.
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Žďár nad Sázavou
Staněk, J.: Parageneze minerálů pegmatitových žil z Hatí u Dolních Borů na západní Moravě. Acta Mus. Moraviae, Sci. nat., vol. 76, pages 19-49.
Staněk, J.: Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 1997, roč. 82, 3-19.
  • Midi-Pyrénées
    • Ariège
      • Le Bosc
Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 523.
Inventaire mineralogique de l'Ariege (Editions BRGM 1984)
  • Bavaria
    • Lower Bavaria
      • Zwiesel
        • Rabenstein
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Upper Palatinate
      • Neustadt an der Waldnaab
        • Reinhardsrieth
Harald G. Dill and Radek Skoda (2015) The new Nb–P aplite at Reinhardsrieth: A keystone in the lateral and depth zonations of the Hagendorf–Pleystein Pegmatite Field, SE Germany. Ore Geology Reviews 70:208–227.
      • Pleystein
Dill, H.G., Weber, B. (2009), Pleystein-City on Pegmatite, 4th International Symposium on Granitic Pegmatites, Recife, Brazil.
DILL, H.G., MELCHER, F., GERDES, A. and WEBER, B. (2008): The origin and zoning of hypogene and supergene Fe-Mn-Mg-Sc-U-REE-Zn phosphate mineralization from the newly discovered Trutzhofmühle aplite (Hagendorf pegmatite province, Germany). Canadian Mineralogist 46, 1131-1157.
      • Waidhaus
        • Hagendorf
Wittern: "Mineralfundorte in Deutschland", 2001
  • Lombardy
    • Lecco Province
      • Dorio
Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
  • Lower Silesia (Dolnośląskie)
    • Sowie Mts
Pieczka A., Łobos K., Sachanbiński M. 2004: The first occurence of elbaite in Poland. Mineralogia Polonica, vol. 35, 3-14
  • Guarda District
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991), Mineral Occurrences.
  • Ticino (Tessin)
    • Lago Maggiore
      • Brissago
Stalder, H. A., Wagner, A., Graeser, S. und Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf Verlag, Basel, 579 pp.
  • England
    • Cornwall
      • St Agnes District
        • Perranzabuloe
          • Perran Iron Lode (Great Perran Iron Lode)
Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
  • Connecticut
    • Middlesex Co.
      • East Hampton (Chatham)
        • Cobalt
Rocks & Min.: 70:403; Januzzi (1976) p.234-5.
  • Maine
    • Cumberland Co.
      • Baldwin
        • West Baldwin
Thompson, W.B., et,al., 2000, Rocks & Minerals, vol. 75, no. 6, pgs 408-418
    • Oxford Co.
      • Greenwood
        • Uncle Tom Mountain
No reference listed
      • 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, with updates by Van King
      • Paris
  • New Hampshire
    • Cheshire Co.
      • Alstead
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
      • Walpole
P. Cristofono, T. Mortimer, J.W. Nizamoff, A. Wilken, and R. Wilken (2011) The 38th Rochester Mineralogical Symposium, April 14-17, 2011, lecture abstracts, page 17-18.
    • Grafton Co.
      • Alexandria
Wilken, Bob (2006). E.E. Smith Mine Trip Report (Micromounters of New England Newsletter Oct. 2006)
Wilken, Bob (2006). E.E. Smith Mine Trip Report (Micromounters of New England Newsletter Oct. 2006)
      • Groton
Am.Min. 59, 900-905 (1974); NIZAMOFF, James W., SIMMONS, William B., and FALSTER, Alexander U. (2004) PHOSPHATE MINERALOGY AND PARAGENESIS OF THE PALERMO #2 PEGMATITE, NORTH GROTON, NEW HAMPSHIRE Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
Rocks & Min., May 1999.; Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
Jason Smith collection
  • South Dakota
    • Custer Co.
      • Custer District
        • Fourmile
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    • Pennington Co.
      • Keystone District
        • Glendale
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
        • Keystone
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