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Whitlockite

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Formula:
Ca9Mg(PO4)6(HPO4)
System:
Trigonal
Colour:
Colourless, grey-white, ...
Hardness:
5
Name:
Named after Herbert Percy Whitlock (1868-1948), Curator of Minerals, American Museum of Natural History, New York (USA).
Whitlockite Group.
Structurally related to Wopmayite.

All non-terrestrial whitlockites are actually Merrillite (Dowty, 1977).

Visit gemdat.org for gemological information about Whitlockite.

Classification of Whitlockite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
8.AC.45

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
38.3.4.1

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2
19.4.8

19 : Phosphates
4 : Phosphates of Ca
mindat.org URL:
http://www.mindat.org/min-4280.html
Please feel free to link to this page.

First Recorded Occurrence of Whitlockite

Place of Conservation of First Recorded Material:
Harvard University 95030
Year of Discovery:
1940
Geological Setting of First Recorded Material:
Pegmatite
Associated Minerals at First Recorded Locality:

Occurrences of Whitlockite

Geological Setting:
Pegmatites; phosphate-rock deposits.

Physical Properties of Whitlockite

Vitreous, Resinous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Colourless, grey-white, light pink, light yellow; colourless in transmitted light.
Hardness (Mohs):
5
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
3.12 g/cm3 (Measured)    3.102 g/cm3 (Calculated)

Crystallography of Whitlockite

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
R3c
Cell Parameters:
a = 10.33Å, c = 37.103(5) Å
Ratio:
a:c = 1 : 3.592
Unit Cell Volume:
V 3,428.79 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Crystals exhibit rhombohedral development; rarely tabular {0001}. Coarse-granular to earthy. Cave pearls.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Whitlockite

Type:
Uniaxial (-)
RI values:
nω = 1.629 nε = 1.626
Max Birefringence:
δ = 0.003
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Whitlockite

Formula:
Ca9Mg(PO4)6(HPO4)
Essential elements:
All elements listed in formula:

Relationship of Whitlockite to other Species

Other Members of Group:
BobdownsiteCa9Mg(PO4)6(PO3F)
FerromerrilliteCa9NaFe2+(PO4)7
MerrilliteCa9NaMg(PO4)7
StrontiowhitlockiteSr9Mg(PO4)6(HPO4)
8.AC.05HowardevansiteNaCuFe2(VO4)3
8.AC.10Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3
8.AC.10ArseniopleiteNaCaMn2+(Mn2+,Mg)2(AsO4)3
8.AC.10Caryinite(Na,Pb)(Ca,Na)(Ca,Mn2+)(Mn2+,Mg,Fe3+)2(AsO4)3
8.AC.10Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3
8.AC.10HagendorfiteNaCaMn2+Fe22+(PO4)3
8.AC.10JohilleriteNa(Mg,Zn)3Cu(AsO4)3
8.AC.10Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
8.AC.10NickenichiteNa0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3
8.AC.10VaruliteNaCaMn2+Mn22+(PO4)3
8.AC.10FerrohagendorfiteNaCaFe2+Fe22+(PO4)3
8.AC.10BradaczekiteNaCu4(AsO4)3
8.AC.10YazganiteNaFe23+(Mg,Mn2+)(AsO4)3 · H2O
8.AC.10GroatiteNaCaMn2(PO4)(HPO4)2
8.AC.15BobfergusoniteNa2Mn5FeAl(PO4)6
8.AC.15Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3
8.AC.15QingheiiteNaMn3+Mg(Al,Fe3+)(PO4)3
8.AC.15Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3
8.AC.15Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3
8.AC.15Ferrorosemaryite◻NaFe2+Fe3+Al(PO4)3
8.AC.15Qingheiite-(Fe2+)Na2Fe2+MgAl(PO4)3
8.AC.18ManitobaiteNa16Mn2+ 25Al8(PO4)30
8.AC.20MarićiteNaFe2+(PO4)
8.AC.25BerzeliiteNaCa2(Mg,Mn2+)2(AsO4)3
8.AC.25Manganberzeliite(Ca,Na)3(Mn2+,Mg)2(AsO4)3
8.AC.25Palenzonaite(Ca,Na)3CaMn22+(VO4)3
8.AC.25SchäferiteCa2NaMg2(VO4)3
8.AC.30BrianiteNa2CaMg(PO4)2
8.AC.35Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2
8.AC.40Olgite(Sr,Ba)(Na,Sr,REE)2Na(PO4)2
8.AC.40Bario-olgite(Ba,Sr)(Na,Sr,REE)2Na(PO4)2 ·
8.AC.45StrontiowhitlockiteSr9Mg(PO4)6(HPO4)
8.AC.45MerrilliteCa9NaMg(PO4)7
8.AC.45TuiteCa3(PO4)2
8.AC.45FerromerrilliteCa9NaFe2+(PO4)7
8.AC.45BobdownsiteCa9Mg(PO4)6(PO3F)
8.AC.50Chladniite{Ca}{Na8}{Ca4Na4}{(Mg,Fe2+)43}(PO4)36
8.AC.50Fillowite{Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36
8.AC.50JohnsomervilleiteNa10Ca6Mg18Fe25(PO4)36
8.AC.50Galileiite{Fe2+}{Na8}{Fe42+Na4}{Fe432+}(PO4)36
8.AC.50Stornesite-(Y){(Y, Ca)}{Na62}{(Ca,Na)8}{(Mg,Fe2+)43}(PO4)36
8.AC.50XenophylliteNa4Fe72+(PO4)6
8.AC.55HarrisoniteCa(Fe2+,Mg)6(PO4)2(SiO4)2
8.AC.60KosnariteKZr2(PO4)3
8.AC.65Panethite(Na,Ca)2(Mg,Fe2+)2(PO4)2
8.AC.70StanfielditeCa7Ca2Mg9(PO4)12
8.AC.75RonneburgiteK2MnV4O12
8.AC.80Tillmannsite(Ag3Hg)(VO4,AsO4)
8.AC.85FilatoviteK(Al,Zn)2(As,Si)2O8
19.4.1MonetiteCa(HPO4)
19.4.2HydroxylapatiteCa5(PO4)3(OH)
19.4.3BrushiteCa(HPO4) · 2H2O
19.4.4IsoclasiteCa2(PO4)(OH) · 2H2O
19.4.5BuchwalditeNaCa(PO4)
19.4.6CanaphiteNa2Ca(P2O7) · 4H2O
19.4.7Mundrabillaite(NH4)2Ca(HPO4)2 · H2O
19.4.9BrianiteNa2CaMg(PO4)2
19.4.10Petersite-(Y)(Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2O

Other Names for Whitlockite

Name in Other Languages:

Other Information

Electrical:
Piezoelectric, pyroelectric
Other Information:
Readily soluble in dilute acids.
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 Whitlockite

Reference List:
Julien (1865) American Journal of Science: 40: 371 (as Zeugite).

Shepard (1878) American Journal of Science: 15: 49 (as Pyrophosphorite).

American Mineralogical Society, Program and Abstracts (1940): 7.

Frondel, C. (1941) American Mineralogist: 26: 145.

Frondel, C. (1943) American Mineralogist: 28: 227.

Bannister (1947) Mineralogical Magazine: 28: 29.

Frondel, C. (1949) American Mineralogist: 34: 692.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 684-686.

Calvo, C. & R. Gopal (1975):"The crystal structure of whitlockite from the Palermo Quarry": American Mineralogist: 60: 120-133.

Dowty, E.: (1977): "Phosphate in Angra dos Reis: structure and composition of the Ca3(PO4)2 minerals": Earth and Planetary Science Letters: 36: 347-351.

John M. Hughes, Bradley L. Jolliff, and John Rakovan (2008) The crystal chemistry of whitlockite and merrillite and the dehydrogenation of whitlockite to merrillite. American Mineralogist, 93, 1300–1305.

Adcock, C. T., Hausrath, E. M., Forster, P. M., Tschauner, O., Sefein, K. J. (2014): Synthesis and characterization of the Mars-relevant phosphate minerals Fe- and Mg- whitlockite and merrillite and a possible mechanism that maintains charge balance during whitlockite to merrillite transformation. American Mineralogist 99, 1221-1232.

Internet Links for Whitlockite

Localities for Whitlockite

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.
Algeria
 
  • Oran Province
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 686.; F. A. Bannister and Miss Hilda Bennett (1947) Whitlockite from Sebdou, Oran, Algeria. Mineralogical Magazine 28:29-30
Argentina
 
  • Buenos Aires
    • Coronel Suaréz
      • D'Orbigny
http://www.hou.usra.edu/meetings/lpsc2014/pdf/1818.pdf
  • Chaco
    • Doce de Octubre Department
      • Gran Chaco
Bunch, T.E., Keil, K., and Olsen, E. (1970): Contributions to Mineralogy and Petrology 25, 297-340.
Australia
 
  • South Australia
    • Flinders Ranges
      • South Flinders Ranges
        • Wilmington
American Mineralogist (2000): 85: 1324.; Mineral. Mag. 63, 735-741
    • Olary Province
      • Weekeroo Station
Bunch, T.E., Keil, K., and Olsen, E. (1970): Contributions to Mineralogy and Petrology 25, 297-340.
  • Western Australia
    • Dundas Shire
      • Cocklebiddy Roadhouse
Caves: processes, development, and management By David S. Gillieson
      • Madura Roadhouse
Mineralogical Magazine (1977): 41: 33-35.
Austria
 
  • Carinthia
    • Millstatt lake ridge
      • Spittal
        • Millstatt lake
Walter, F. (1998): Exkursion E4 am 27.9.1998 - MinPet 98 (Pörtschach am Wörthersee/Kärnten) - Die Pegmatite des Millstätter See-Rückens. Mitt. Österr. Mineral. Ges. 143, 437-450. [http://www.uibk.ac.at/mineralogie/oemg/bd_143/143minpet98_437-450.pdf]
        • Wolfsberg
Pichler (2009)
Bahamas
 
  • San Salvador District
    • San Salvador Island
Carb.&Evap. v.16 no.1 (2001)
Brazil
 
  • Minas Gerais
    • Martinho Campos
      • Ibitira
Heim, N. A., Wadhwa, M. & Davis, A. M. (March 1999) Rare Earth Element Abundances in Vapor Deposited Minerals in Ibitira Vesicles: Lunar and Planetary Science Conference XXX: abstract no. 1908. (March 1999)
  • Rio de Janeiro
    • Angra dos Reis
      • Ilha Grande
Prinz, M., Keil, K., Hlava, P. F., Berkely, J. L., Gomes, C. B. & Curvello, W. S. (1977) Studies of Brazilian meteorites. III - Origin and history of the Angra DOS Reis achondrite: Earth and Planetary Science Letters 35 (2): 317-330. (June 1977) ; Dowty, E. (1977) Phosphate in Angra Dos Reis - Structure and composition of the Ca3(PO4)2 minerals. Earth and Planetary Science Letters 35 (2): 347-351. (June 1977)
British West Indies
 
  • Anguilla
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 686.
Canada
 
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
Min. Rec.: 32: 416.
  • Newfoundland and Labrador
    • Labrador
      • Seal Lake alkaline complex (Letitia Lake)
GSC locality database; GSC database locality No. 4100
  • Yukon Territory
    • Dawson Mining District
Horvath, L. (2003). Whitlockit vom Big Fish River, Yukon, Kanada. Lapis 28 (9), 39-40 + 58.
[MinRec 23:Yukon 34]
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Taltal
Kimura, M., Ikeda, Y., Ebihara, M., & Prinz, M. (1991). New enclaves in the Vaca Muerta mesosiderite: Petrogenesis and comparison with HED meteorites. Antarctic Meteorite Research, 4, 263.
China
 
  • Anhui Province
    • Bozhou Prefecture
      • Qiaocheng District
        • Xiaoyanzhuang
Kuiren Wang and Junxin Wang (1987): Acta Mineralogica Sinica 7(3), 238-244
  • Jilin Province (Manchuria; Dongbei Region)
    • Jilin Prefecture
      • Chuanying District
Wankang Huang, Yingwen Xie, and Jingming Pan (1978): Geochimica 7(1), 25-34
  • Shaanxi Province
    • Hanzhong Prefecture
      • Ningqiang Co.
Wang, Y. & Hsu, W. (2009). Petrology and Mineralogy of the Ningqiang carbonaceous chondrite. Meteoritics & Planetary Science Vol. 44, #5, 763-780. (May 2009).
  • Xinjiang Autonomous Region
    • Changji Autonomous Prefecture (Sanji Autonomous Prefecture)
      • Fukang Co.
Connolly, Jr., H.C., Zipfel, J., Grossman, J.N., Folco, L., Smith, C., Jones, R.H., Righter, K., Zolensky, M., Russell, S.S., Benedix, G.K., Yamaguchi, A., and Cohen, B.A. (2006): Meteoritics & Planetary Science 41(9), 1383–1418
Cuba
 
  • Santiago de Cuba Province
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Curaçao
 
  • Curaçao
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 686.
Germany
 
  • Hesse
    • Wetzlar
      • Waldgirmes
Weiss: "Mineralfundstellen, Deutschland West", 1990
  • North Rhine-Westphalia
    • Aachen
      • Stolberg
Blaß, G. & Graf, H. W. (1995): Neufunde von Schlackenhalden in der nördlichen Eifel (II). Mineralien-Welt, 6 (3), 28-31.
  • Saxony-Anhalt
    • Magdeburg
      • Salzwedel
        • Hohenlangenbeck
Matthes, J. (1995): The Salzwedel meteorite. Petrology and shock metamorphism. Chemie der Erde 55, 257-261.
  • Schleswig-Holstein
    • Bredstedt
      • Joldelund
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
India
 
  • Bihar
    • Gaya District
Lundberg, L. L., Crozaz, G., McKay, G., & Zinner, E. (1988). Rare earth element carriers in the Shergotty meteorite and implications for its chronology. Geochimica et Cosmochimica Acta, 52(8), 2147-2163.
Iran
 
  • Markazi Province
    • Delijan County
      • Naragh (Naraq; Narāq; Narāk)
Adib D., Liou J. G. (1979): The Naragh meteorite - A new olivine-bronzite chondrite fall. Meteoritics, 14, 257-272.
Israel
 
  • Negev
Vapnik, Y., Sokol, E., Murashko M., Sharygin V. (2006): The enigma of Hatrurim. Mineralogical Almanac, 10, 69-77.
Kenya
 
  • Rift Valley Province
Schulze, H. & Otto, J. (1993) Rumuruti: A New Carlisle Lakes-type Chondrite, Meteoritics 28 (3): 433. (July 1993) ; Schulze, H., Bischoff, A., Palme, H., Spettel, B., Dreibus, G. & Otto, J. (1994). Mineralogy and chemistry of Rumuruti: The first meteorite fall of the new R chondrite group, Meteoritics 29 (2), 275-286. (March 1994)
Malaysia
 
  • Borneo Island
    • Sarawak
Mineralogical Magazine (1983): 47: 79-80.
Mexico
 
  • Coahuila
    • Mun. de Cuatrociénegas
      • Cuatro Ciénegas (Cuatrociénegas de Carranza; Venustiano Carranza)
        • Limestone caves
Forti, P. et al. (2006): ACTA CARSOLOGICA 35/1, 79–98.
  • Durango
    • Mun. de Mapimí
      • Mapimí
Panczner (1987): 392.
  • Guerrero
    • Acapulco
Michel-Lévy, M. C. & Lorin, J. C. (1978) El Quemado, A New Type of Stone Meteorite Fallen Near Acapulco: Meteoritics 13: 411-412. (Dec 1978)
Morocco
 
  • Marrakech-Tensift-El Haouz Region
    • El Kelaâ des Sraghna Province
      • Sidi Bou Othmane
Favreau, G. (2012): Deux pegmatites à phosphates de Sidi Bou Othmane (Maroc). Le Cahier des Micromonteurs, 3-2012, 71-109
Greshake, A. (2014) A strongly hydrated microclast in the Rumuruti chondrite NWA 6828: Implications for the distribution of hydrous material in the solar system. Meteoritics & Planetary Science 49 (5): 824-841. (May 2014)
  • Souss-Massa-Draâ Region
    • Ouarzazate Province
      • Tazenakht
Favreau, G. (2012): Les minéralisations à phosphates de la pegmatite d'Angarf-Sud (Maroc).Le Cahier des Micromonteurs, 3-2012, 3-70.
Namibia
 
  • Erongo Region
    • Karibib District
      • Okatjimukuju Farm 55 (Friedrichsfelde Farm)
P. Keller and O. von Knorring, Eur. J. Mineral. , 1989, 1, pp. 567-593.
      • Usakos
Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
Keller, P. (1974): Phosphatmineralien aus Pegmatiten Südwestafrikas. Der Aufschluss 25,577-591.
  • Otjikoto Region (Oshikoto)
    • Tsumeb
New Mineral Names. Mineral News, 28, #1 (January 2012), 13.
Nigeria
 
  • Katsina State
T.J. McCoy, M. Wadhwa, K. Keil, New lithologies in the Zagami meteorite: evidence for fractional crystallization of a single magma unit on Mars, Geochimica et Cosmochimica Acta, Volume 63, Issues 7–8, April 1999, Pages 1249-1262,
Norway
 
  • Telemark
    • Bamble (Bamle)
Morton, R. D. (1961): Contributions to the mineralogy of Norway. No.9). On the occurrence of two rare phospates in the Ødegården Apatite mines, Bamble, South Norway. Norsk Geologisk Tidsskrift 41: 233-246; Griffin et al. (1972); Neumann (1985, p. 115).
Oman
 
  • Dhofar Province (Al Janubiyah Province)
Taylor, L. A., Nazarov, M. A., Ivanova, M. A., Patchen, A., Clayton, R. N., & Mayeda, T. K. (2000). Petrology of the Dhofar 019 shergottite. Meteoritics and Planetary Science Supplement, 35, 155.
Yukio, I., Makoto, K., Hiroshi, T., Gen, S., Kita, N., Yuichi, M., ... & Gerlind, D. (2006). Petrology of a new basaltic shergottite: Dhofar 378. Antarctic Meteorite Research, 19, 20-44.
Philippines
 
  • Luzon
    • Calabarzon Region
      • Quezon province
H. J. Axon and M. J. Nasir (1977) A Metallographic and Microprobe Examination of a Metallic Nodule from the Bondoc Peninsula Meteorite. Mineralogical Magazine 41:121-122.
Poland
 
  • 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
Puerto Rico
 
  • Mayaguez
[var: Martinite (of Kloos)] Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Wise, W. (1997), J. Cave and Karst Studies, 53,170.
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Buriatia Republic (Buryatia)
        • Dzhida Basin
          • Zakamensk
            • Dzhida W-Mo District
Pavel M. Kartashov data
  • Far-Eastern Region
    • Magadanskaya Oblast'
      • Magadan
Sharygin, V. V., Kovyazin, S. V. & Podgornykh, N. M. (2006) Mineralogy of Olivine-hosted Inclusions from the Omolon Pallasite (abstract). Lunar and Planetary Science Conference, XXXVII, abstract no.1235. (Mar 2006)
Saint Helena
 
[var: Martinite (of Kloos)] Richard, G. (1928): Newberyite and other phosphates from Ascension Island. Am. Mineral. 13, 397-401.; American Mineralogist 28:215-232
Saudi Arabia
 
  • Mintaqah Makkah
Saudi Geological Survey Open-File Report SGS-OF-2004-12, 68 p.
South Africa
Cairncross, B. and Dixon, R., (1995), Minerals of South Africa.
  • Mpumalanga Province
    • Ehlanzeni District
      • Nelspruit
Martini, J.E.J. et al (1997), "Mbobo Mkulu Cave, South Africa", in "Cave Minerals of the World" (1997)
Spain
 
  • Andalusia
    • Granada
Takeda, H., Hsu, W., & Huss, G. R. (2003). Mineralogy of silicate inclusions of the Colomera IIE iron and crystallization of Cr-diopside and alkali feldspar from a partial melt. Geochimica et Cosmochimica Acta, 67(12), 2269-2287.
  • Aragón
    • Huesca
Domanik, K. J., Sideras, L. C. & Drake, M. J. (2005) Olivine and Ca-Phosphate in the Diogenites Manegaon and Roda: Lunar and Planetary Science Conference XXXVI, abstract no.2128.
  • Catalonia
    • Barcelona
      • Vallès Occidental
        • Montcada i Reixac
Analized by Joan Rosell and Dr Joan Viñals
The Moon
 
  • Descartes Highlands
Dowty, E., Keil, K., & Prinz, M. (1974) Igneous rocks from Apollo 16 rake samples. In: Lunar Science Conference, 5th, Houston, Tex., March 18-22, 1974, Proceedings. Volume 2. (A75-39540 19-91) New York, Pergamon Press, Inc., 1974, p. 431-445.
USA
 
  • California
    • Trinity Co.
      • Klamath Mts
Lydon, Philip Andrew (1964), Unusual phosphatic rock: California Division of Mines & Geology, Mineral Information Service: 17: 66-74; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 80, 384; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 317, 318.
  • Illinois
    • Jo Daviess Co.
      • Woodbine
Bunch, T.E., Keil, K., and Olsen, E. (1970): Contributions to Mineralogy and Petrology 25, 297-340.
  • Iowa
    • Emmet Co.
Fuchs L H (1967) Abstract of paper presented at the twelfth annual meeting: Stanfieldite, a new phosphate mineral in stony-iron meteorites. The Canadian Mineralogist 9, 289-290
  • Maine
    • Androscoggin Co.
      • Poland
KKing, V. T. and Foord, E. E., 1994, Mineralogy of Maine, Descriptive Mineralogy, volume 1, Maine Geological Survey, Augusta, Maine, USA, pp. 418 + 88 plates.
    • Oxford Co.
      • Newry
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.
      • Rumford
King & Foord, 1994. Mineralogy of Maine, V. 1.; King and Foord, 2000, Addenda to Volume 1, Mineralogy of Maine, v. 2.
  • Nevada
    • Eureka Co.
      • Lynn District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Humboldt Co.
      • Potosi District
        • Twin Creeks Mine
Min News (1999) 15:6 pp 1,5-8
  • New Hampshire
    • Grafton Co.
      • Groton
American Mineralogical Society, Program and Abstracts (1940) p. 7; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 686, 842, 953, 977; Rocks & Minerals: 16: 208-211.; Mineralogical Record (1973) 4:103-130; USGS Prof Paper 255; USGS Prof Paper 353; American Mineralogist (1953): 38: 728-729.
    • Strafford Co.
      • Strafford
        • Parker Mountain
Rocks & Min.:64:504.; Rocks & Minerals 80:4 pp234-241
  • South Dakota
    • Custer Co.
      • Custer District
        • Custer
Januzzi, R.E. and Seaman, David M. (1976) Mineral Localities Of Connecticut and Southern New York State and Pegmatite Minerals of the World.
        • Fourmile
Mineralogical Record: 14: 195; Rocks & Minerals: 60: 117.
        • Pringle
          • Cicero Peak
Rocks & Minerals: 75(3): 156-169.
  • Texas
    • Castro Co.
      • Dimmitt
Rubin, A. E., Scott, E. R., Taylor, G. J., Keil, K., Allen, J. S., Mayeda, T. K., ... & Bogard, D. D. (1983). Nature of the H chondrite parent body regolith: Evidence from the Dimmitt breccia. Journal of Geophysical Research: Solid Earth (1978–2012), 88(S02), A741-A754.
  • Utah
    • Rich Co.
      • Crawford Mts
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Laketown District
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Woodruff Creek
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
  • West Virginia
    • Grant Co.
      • Landes
Meteoritics, volume 7, number 1, pages 31-38
  • Wisconsin
    • Waushara Co.
      • Saxeville
Bunch, T.E., Keil, K., and Olsen, E. (1970): Contributions to Mineralogy and Petrology 25, 297-340.
Venezuela
 
  • Dependencias Federales
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 661, 686.; American Mineralogist 28:215-232
  • Miranda
Urbani, 1997. Bol. Soc. Venezolana de Espeleología, no.30.
Franco Urbani (2009) Venezuelan Cave Minerals: Second Review. Mineralogy 1 2009 ICS Proceedings. In 15th International Congress of Speleology. p 345
Mineral and/or Locality  
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