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Childrenite

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John George Children
Formula:
(Fe2+,Mn2+)Al(PO4)(OH)2 · H2O
System:
Orthorhombic
Colour:
Yellowish brown, brown, ...
Hardness:
5
Name:
Named in 1823 by Henry J. Brooke in honor of John George Children [May 18, 1777 – January 1, 1852 Halstead, Kent, England, UK), English chemist, mineralogist, and zoologist; Keeper of minerals at the British Museum of Natural History.
Childrenite-Eosphorite Series.
The Fe2+ analogue of eosphorite.

See also the related lefontite.

Visit gemdat.org for gemological information about Childrenite.

Classification of Childrenite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
8.DD.20

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
42.7.1.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)2(XO4)Zq·xH2O
19.12.57

19 : Phosphates
12 : Phosphates of Mn
mindat.org URL:
http://www.mindat.org/min-1003.html
Please feel free to link to this page.

Type Occurrence of Childrenite

Year of Discovery:
1823
Geological Setting of Type Material:
Low temperature hydrothermal veins
Associated Minerals at Type Locality:

Occurrences of Childrenite

Geological Setting:
Complex granitic pegmatites, a low temperature hydrothermal alteration product of primary phosphates.

Physical Properties of Childrenite

Vitreous, Sub-Vitreous, Resinous, Greasy
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Yellowish brown, brown, clove-brown; colourless in transmitted light.
Streak:
White
Hardness (Mohs):
5
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
Poor on {100}
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
3.11 - 3.19 g/cm3 (Measured)    3.13(1) g/cm3 (Calculated)

Crystallography of Childrenite

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Ccc2
Cell Parameters:
a = 10.41Å, b = 13.42Å, c = 6.92Å
α = 90°, β = 90°, γ = 90°
Ratio:
a:b:c = 0.776 : 1 : 0.516
Unit Cell Volume:
V 966.74 ų (Calculated from Unit Cell)
Morphology:
Equant to pyramidal crystals, short prismatic [001], tabular, platy, radiating groups, fibrous crusts, massive.
Twinning:
Common. May show on {100} and {001}. Twins evident when of varying proportions but symmetrical twins consist of four to eight individuals in sectors with four individuals comprising a "termination". Visible twinning is uncommon.
Comment:
Bba2; possibly monoclinic pseudo-orthorhombic.

Crystallographic forms of Childrenite

Crystal Atlas:
Image Loading
Click on an icon to view
Childrenite no.1 - Goldschmidt (1913-1926)
Childrenite no.9 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

Toggle
Edge Lines | Miller Indicies | Axes

Transparency
Opaque | Translucent | Transparent

View
Along a-axis | Along b-axis | Along c-axis | Start rotation | Stop rotation
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.71 (64)
5.197 (36)
4.362 (22)
3.528 (28)
2.816 (100)
2.419 (50)
1.521 (40)

Optical Data of Childrenite

Type:
Biaxial (-)
RI values:
nα = 1.644 - 1.649 nβ = 1.662 - 1.683 nγ = 1.671 - 1.691
2V:
Measured: 40° to 45°, Calculated: 50°
Birefringence:
0.035
Max Birefringence:
δ = 0.027 - 0.042
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v strong
Optical Extinction:
XYz = abc, twins Y^c = 4°-8°
Pleochroism:
Visible
Comments:
X= yellow
Y= pink
Z= pale pink to colourless

Chemical Properties of Childrenite

Formula:
(Fe2+,Mn2+)Al(PO4)(OH)2 · H2O
Essential elements:
All elements listed in formula:
Common Impurities:
Ca,Mn

Relationship of Childrenite to other Species

Series:
Forms a series with Eosphorite (see here)
8.DD.05ChenevixiteCu2Fe23+(AsO4)2(OH)4
8.DD.05LuetheiteCu2Al2(AsO4)2(OH)4
8.DD.10Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
8.DD.10GuanacoiteCu2Mg3(AsO4)2(OH)4 · 4H2O
8.DD.15Aheylite(Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2O
8.DD.15ChalcosideriteCu(Fe3+,Al)6(PO4)4(OH)8 · 4H2O
8.DD.15Faustite(Zn,Cu)Al6(PO4)4(OH)8 · 4H2O
8.DD.15PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
8.DD.15TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
8.DD.15AfmiteAl3(OH)4(H2O)3(PO4)(PO3OH) · H2O
8.DD.20Eosphorite(Mn2+,Fe2+)Al(PO4)(OH)2 · H2O
8.DD.20Ernstite(Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2O
19.12.1MetaswitzeriteMn3(PO4)2 · 4H2O
19.12.2BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
19.12.3NatrophiliteNaMn2+PO4
19.12.4SidorenkiteNa3Mn2+(CO3)(PO4)
19.12.5Niahite(NH4)(Mn2+,Mg)(PO4) · H2O
19.12.6RobertsiteCa3Mn43+(PO4)3O2 · 3H2O
19.12.7PararobertsiteCa2Mn33+(PO4)3O2 · 3H2O
19.12.8SinkankasiteMn2+Al(PO3OH)2(OH) · 6H2O
19.12.9MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2O
19.12.10Heterosite(Fe3+,Mn3+)PO4
19.12.11Purpurite(Mn3+,Fe3+)PO4
19.12.12Wolfeite(Fe2+,Mn2+)2(PO4)(OH)
19.12.13Triploidite(Mn2+,Fe2+)2(PO4)(OH)
19.12.14LipscombiteFe2+Fe23+(PO4)2(OH)2
19.12.15FrondeliteMn2+Fe43+(PO4)3(OH)5
19.12.16RockbridgeiteFe2+Fe43+(PO4)3(OH)5
19.12.17Kryzhanovskite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
19.12.18LandesiteMn2+3-xFex3+(PO4)2(OH)x · (3-x)H2O
19.12.19Phosphoferrite(Fe2+,Mn2+)3(PO4)2 · 3H2O
19.12.20Reddingite(Mn2+,Fe2+)3(PO4)2 · 3H2O
19.12.21EarlshannoniteMn2+Fe23+(PO4)2(OH)2 · 4H2O
19.12.22Hureaulite(Mn,Fe)5(PO4)2(HPO4)2 · 4H2O
19.12.23Switzerite(Mn,Fe)3(PO4)2 · 7H2O
19.12.24LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
19.12.25PseudolaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
19.12.26StrunziteMn2+Fe23+(PO4)2(OH)2 · 6H2O
19.12.27StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
19.12.28Alluaudite(Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3
19.12.29Ferroalluaudite(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3
19.12.30Fillowite{Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36
19.12.31JohnsomervilleiteNa10Ca6Mg18Fe25(PO4)36
19.12.32WicksiteNaCa2(Fe2+,Mn2+)4MgFe3+(PO4)6 · 2H2O
19.12.33Dickinsonite-(KMnNa){KNa}{Mn2+◻}{Ca}{Na3}{Mn132+}{Al}(PO4)12(OH)2
19.12.34Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2
19.12.35Ludlamite(Fe,Mn,Mg)3(PO4)2 · 4H2O
19.12.36Graftonite(Fe2+,Mn2+,Ca)3(PO4)2
19.12.37WilhelmvierlingiteCaMnFe3+(PO4)2(OH) · 2H2O
19.12.38FairfielditeCa2(Mn2+,Fe2+)(PO4)2 · 2H2O
19.12.39Beusite(Mn2+,Fe2+,Ca,Mg)3(PO4)2
19.12.40MesseliteCa2(Fe2+,Mn2+)(PO4)2 · 2H2O
19.12.41Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
19.12.42Jahnsite-(CaMnMn){Ca}{Mn2+}{Mn22+}{Fe23+}(PO4)4(OH)2 · 8H2O
19.12.43Jahnsite-(CaMnMg){Ca}{Mn2+}{(Mg,Fe2+)2}{Fe23+}(PO4)4(OH)2 · 8H2O
19.12.44KeckiteCaMn2+Fe23+Fe23+(PO4)4(OH)3(H2O)7
19.12.45StanfielditeCa7Ca2Mg9(PO4)12
19.12.46Laubmannite(Fe2+,Mn2+,Ca)3Fe63+(PO4)4(OH)12
19.12.47ZodaciteCa4Mn2+Fe43+(PO4)6(OH)4 · 12H2O
19.12.48HagendorfiteNaCaMn2+Fe22+(PO4)3
19.12.49Maghagendorfite(□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3
19.12.50VaruliteNaCaMn2+Mn22+(PO4)3
19.12.51GriphiteNa4Li2Ca6(Mn2+,Fe2+,Mg)19Al8(PO4)24(F,OH)8
19.12.52Attakolite(Ca,Sr)Mn(Al,Fe)4(HPO4,PO4)3(SiO4,PO4)(OH)4
19.12.53Arrojadite-(KFe){KNa}{Fe2+◻}{Ca}{Na2◻}{Fe132+}{Al}(PO4)11(HPO4)(OH)2
19.12.54Lun'okite(Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2O
19.12.55Eosphorite(Mn2+,Fe2+)Al(PO4)(OH)2 · H2O
19.12.56Ernstite(Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2O
19.12.58BobfergusoniteNa2Mn5FeAl(PO4)6
19.12.59QingheiiteNaMn3+Mg(Al,Fe3+)(PO4)3
19.12.60Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
19.12.61Whiteite-(CaMnMg){Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
19.12.62Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
19.12.63Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O
19.12.64ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
19.12.65Samuelsonite(Ca,Ba)Ca8Fe22+Mn22+Al2(PO4)10(OH)2

Other Names for Childrenite

Name in Other Languages:
German:Childrenit
Simplified Chinese:磷铝铁石
Spanish:Childrenita
Traditional Chinese:磷鋁鐵石

Other Information

Other Information:
Soluble in 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 Childrenite

Reference List:
Brooke (1823) Quarterly Journal of Science, Literature and the Arts: 16: 274.

Church (1873) Journal of the Chemical Society, London: 26: 103.

Goldschmidt, V. (1913) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 1 (1913); vol. 2: 136.

Slavík (1914) Bull. Ac. Sc. Bohême: 14, no. 4.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 57, 72.

Landes (1925) American Mineralogist: 10: 384.

Palache and Shannon (1928) American Mineralogist: 13: 392.

Hintze, Carl (1931) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [4B]: 930, 933.

Otto (1935) Mineralogische und petrographische Mitteilungen, Vienna: 47: 89.

Mason (1942) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 64: 335.

Gordon (1944) Proceedings of the Academy of Sciences, Philadelphia: 96: 349.

Barnes (1949) American Mineralogist: 34: 12.

Hurlbut, C. (1950) Childrenite-eosphorite series. American Mineralogist,
35, 793–805.

Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 936–939.

Braithwaite, R.S.W. and B.V. Cooper (1982) Childrenite in south-west England. Mineralogical Magazine, 46, 119–126.

Giuseppetti, G., Tadini, C. (1984) The crystal structure of childrenite from Tavistock (SW England), Ch89Eo11 term of childrenite-eosphorite. Neues Jahrbuch für Mineralogie, Monatshefte, 1984, 263-271.

Bermanec, V., S. Šćavničar, and V. Zebec (1995) Childrenite and crandallite from the Stari Trg mine (Trepča), Kosovo: new data. Mineralogy and Petrology, 52, 197–208.

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.: 109.

Internet Links for Childrenite

Specimens:
The following Childrenite specimens are currently listed for sale on minfind.com.

Localities for Childrenite

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.
Afghanistan
 
  • Nuristan Province (Nurestan Province; Nooristan Province; Nuristan)
    • Kamdesh District
Lyckberg, P. (2011): Edelstein-Pegmatite in Afghanistan: Paprok. Mineralien-Welt. 22 (3): 46-57
Australia
 
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Barossa Valley
          • Angaston
        • Kapunda
Pers. comm. from Peter Elliott and Vince Peisley
    • Olary Province
      • Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta)
Austria
 
  • Carinthia
    • Millstatt lake ridge
      • Spittal
        • Millstatt lake
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
        • Wolfsberg
Paar, W. (1974): Childrenit aus dem Pegmatitsteinbruch am Wolfsberg bei Spittal an der Drau/Kärnten. Der Karinthin, 70, 91-94.; G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
Bolivia
 
  • Potosí Department
    • Rafael Bustillo Province (Bustillos Province)
      • Llallagua
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: 938, 973; Hyrsl, J. & A. Petrov (2006): Famous Mineral Localities: Llallagua, Bolivia. Mineralogical Record. 37: 117-162
Brazil
 
  • Minas Gerais
    • Doce valley
      • Conselheiro Pena
Canadian Mlneralogist Vol. 20, pp. 87-89 (1982)
      • Divino das Laranjeiras
        • Linópolis
Richard Dale collection
Cassedanne, J.P. (1983): Famous mineral localities: The Córrego Frio mine and vicinity, Minas Gerais, Brazil. Mineralogical Record, 14 (4): 227-237
      • Galiléia
        • Laranjeiras
[MinRec 12:69]
        • Sapucaia do Norte
Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365
[www.johnbetts-fineminerals.com]
Cassedanne, J.P. (1983): Famous mineral localities: The Córrego Frio mine and vicinity, Minas Gerais, Brazil. Mineralogical Record, 14 (4): 227-237 [ p.233]
    • Jequitinhonha valley
      • Itinga
        • Taquaral
White, J., 1990, Zoned Eosphorite from Lavra da Ilha, Taquaral District, Minas Gerais, Brazil, Min. Rec. 21, 418-422.; Moore, P. B., & Ito, J. (1978). I, Whiteite, a new species, and a proposed nomenclature for the jahnsite-whiteite complex series; II, New data on xanthoxenite; III, Salmonsite discredited. Mineralogical Magazine, 42(323), 309-323.
          • Piauí Valley
Joan Viñals analysis, Barcelona.
  • Rio Grande do Norte
    • Borborema mineral province
      • Pau dos Ferros
Luigi Chiappino data
Canada
 
  • Nova Scotia
    • Yarmouth Co.
      • Argyle
        • East Kemptville
J.M. Richardson, et. al., "Mcauslanite, a Supergene Hydrated Iron Aluminum Fluorophosphate from the East Kemptville Tin Mine, Yarmouth County, Nova Scotia", Can. Min., vol. 26, pg. 917-921, 1988. and J.A. Mandarino, J.M.G. Richardson, P.J. Dunn, E.T.C. Sp
  • Yukon Territory
    • Dawson Mining District
[Mineralogical Record Vol 23 No.4 pp19]
[Mineralogical Record Vol 23 No.4 pp19]
        • Kulan Camp (Area A; Area 1)
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
    • Alavus
Haapala, I. (1966): On the granitic pegmatites in the Peräseinäjoki-Alavus area, South Pohjanmaa, Finland. Bulletin de la Commission Geologique de Finlande. 224.
France
 
  • Auvergne
    • Allier
      • Ébreuil
        • Échassières
NICOLAS, J. & de ROSEN, A. (1963): Le massif granitique des Colettes (Allier) et ses mineralizations. Bulletin de la Société Française de Minéralogie et de Cristallographie 86, 126-128.
  • Languedoc-Roussillon
    • Aude
      • Carcassonne
        • Mas-Cabardès
          • Salsigne
Le Règne Minéral, Hors série (3), 36-54
    • Pyrénées-Orientales
Berbain,C., Riley, T., Favreau, G., (2012): Phosphates des pegmatites du massif des Albères (Pyrénées-Orientales). Le Cahier des Micromonteurs. 117, 121-172
        • Collioure (Cotlliure)
BERBAIN. C, RILEY. T, FAVREAU. G, (2012) Phosphates des pegmatites du massif des Albères. Ed Association Française de Microminéralogie
Germany
 
  • Bavaria
    • Upper Palatinate
      • Waidhaus
        • Hagendorf
http://www.berthold-weber.de/h_miner.htm
Wittern: "Mineralfundorte in Deutschland", 2001
  • Saxony
    • Erzgebirge
      • Ehrenfriedersdorf
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: 783, 938; Wittern: "Mineralfundorte in Deutschland", 2001.
Japan
 
  • Honshu Island
    • Kanto Region
      • Ibaraki Prefecture
        • Kasumigaura City
          • Chiyoda-machi
Matsubara, S. & Kato, A. (1980) Koubutsugaku Zasshi, 14, 269-286.
Kosovo
 
  • District of Kosovska Mitrovica
    • Kosovska Mitrovica
      • Trepča valley
        • Trepča complex
Féraud J. (1979) - La mine " Stari-Trg " (Trepca, Yougoslavie) et ses richesses minéralogiques. Avec la collaboration de Mari D. et G. (1979) Minéraux et Fossiles, n° 59-60, p. 19-28
Namibia
 
  • Erongo Region
    • Karibib District
      • Usakos
Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
Portugal
 
  • Guarda District
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991), Mineral Occurrences.
Rwanda
 
  • Western Province
    • Gatumba District
Daltry, V.D.C. and O. von Knorring (1998) Type-Mineralogy of Rwanda with Particular Reference to the Buranga Pegmatite. Geologica Belgica 1:1-9
P. Lefèvre, A.-M. Fransolet, F. Fontan, P. Keller: Petrographic study of the Al-rich phosphate mineral associations of the Rubindi-Kabilizi pegmatite, Gatumba area, Rwanda. (http://www.minsocam.org/msa/special/pig/PIG_articles/Elba%20Abstracts%2012%20Lefevre.pdf)
Spain
 
  • Castile and Leon
    • Salamanca
      • Golpejas-Vega de Tirados
        • Golpejas Mining Group
Calvo, M. (2015): Minerales y Minas de España. Vol. VII, Fosfatos, arseniatos y vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 479 pp.
  • Extremadura
    • Cáceres
      • Cáceres
Weibel, M. (1955): Contributions to Mineralogy and Petrology 4, 379-411.
Sweden
 
  • Skåne
    • Bromölla
      • Näsum
Hansen, S. & Landa-Canovas, A. (1994): Childrenite and millisite from Västanå Mine, Skåne, Sweden. Geologiska Föreningens i Stockholm Förhandlingar 116: 92.
UK
 
  • England
    • Cornwall
      • Callington District
        • Callington
          • Callington Consols
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
        • Calstock
          • Drakewalls
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
          • Harewood
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
          • Harrowbarrow & Prince of Wales Mines (Calstock United Tin and Copper Mines)
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
        • Stoke Climsland
          • Callington United Mines (incl. Emmens United Mines)
Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 105 pp.
      • Camborne - Redruth - St Day District
        • Kea
          • Baldhu
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
      • St Agnes District
        • Perranzabuloe
          • Perranporth
Collection Richard De Nul
      • St Austell District
        • Carlyon
          • Carlyon Bay
BMS Database
Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; 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: 938; Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 556-557; Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
    • Cumbria
      • Braithwaite District
        • Causey Pike
          • Scar Crag
BMS Database
    • Devon
American Mineralogist (1950): 35: 793; 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: 938; Lapis 11 (1986), 7.
        • Buckland Monachorum
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
        • Horrabridge
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
        • Mary Tavy
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
        • Tavistock Hamlets
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
          • Devon and Cornwall United Mines
Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; 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: 938; Rocks & Minerals 17, 127 (1942)
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
          • Devon Great Consols
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
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: 938; Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
Dana 7:II:938; Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
USA
 
  • Maine
    • Cumberland Co.
      • Baldwin
        • West Baldwin
Thompson, W.B., et,al., 2000, Rocks & Minerals, vol. 75, no. 6, pgs 408-418; Rocks and Minerals (1999) 74:188,189
    • Oxford Co.
      • Greenwood
Mineralogical Record (1973) 4:103-130
      • Hebron
King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.; USGS Bull 445
      • Newry
Van King
      • Rumford
Tim Blake, Lookout Mine Owner
Hurlbut, C, 1950, AM, v. 35, p. 793-805; King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1.
  • New Hampshire
    • Cheshire Co.
      • Walpole
T Mortimer collection
    • Grafton Co.
      • Groton
Rocks & Min. 80:251
No reference listed
Am. Min. 50 (1965), 713-717; Mineralogical Record (1973) 4:103-130; 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
    • Sullivan Co.
      • Newport
Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
  • South Dakota
    • Custer Co.
      • Custer District
        • Fourmile
Rocks & Minerals: 75(3): 156-169.; Staatz, M. H.; Page, L. R.; Norton, J. J.; Wilmarth, V. R. (1963) Exploration for beryllium at the Helen Beryl, Elkhorn, and Tin Mountain pegmatites, Custer County, South Dakota. USGS Prof. Paper 297C.
Rocks & Minerals: 60: 117.
    • Pennington Co.
      • Keystone District
        • Glendale
Rocks & Minerals: 60: 116.
        • Keystone
R&M 75:3 pp 156-169
R&M 75:3 pp 156-169
      • Unorganized District
Van King specimen
Mineral and/or Locality  
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