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Dickinsonite-(KMnNa)

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John William Dickinson
Formula:
{KNa}{Mn2+◻}{Ca}{Na3}{Mn2+13}{Al}(PO4)12(OH)2
Colour:
Green shades to dark green, yellowish green, brownish green; green in transmitted light.
Lustre:
Vitreous, Pearly
Hardness:
3½ - 4
Specific Gravity:
3.38 - 3.41
Crystal System:
Monoclinic
Name:
After the Reverend John William Dickinson (1835-1899) of Redding, Connecticut, USA, who collected minerals of the area and drew attention to them.
Arrojadite Group. Arrojadite-(KFe)-Dickinsonite-(KMnNa) Series.

Dickinsonite group.

Note: Mücke & Keck describe "Dickinsonite-(NaMn)" and "Dickinsonite-(KMn)" from Hagendorf-Süd, on the basis of EPMA data.
Ba- and Pb-dominant members are reported from Szklary pegmatite, Poland. See Unnamed (Ba-dominant member of dickinsonite group) and Unnamed (Pb-dominant member of dickinsonite group).


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Classification of Dickinsonite-(KMnNa)Hide

Approved, 'Grandfathered' (first described prior to 1959)
Approval Year:
2005
8.BF.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
F : With medium-sized and large cations, (OH, etc.):RO4< 0.5:1
41.7.2.2

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
7 : (AB)7(XO4)4Zq
19.12.33

19 : Phosphates
12 : Phosphates of Mn

Physical Properties of Dickinsonite-(KMnNa)Hide

Vitreous, Pearly
Transparency:
Transparent, Translucent
Comment:
Lustre somewhat pearly on the cleavage.
Colour:
Green shades to dark green, yellowish green, brownish green; green in transmitted light.
Streak:
Nearly white
Hardness:
3½ - 4 on Mohs scale
Tenacity:
Very brittle
Cleavage:
Perfect
On {001}, perfect (almost micaceous).
Fracture:
Irregular/Uneven
Density:
3.38 - 3.41 g/cm3 (Measured)    3.42 g/cm3 (Calculated)
Comment:
Measured end values on Branchville (3.41) and Poland, Maine (3.38) materials.

Optical Data of Dickinsonite-(KMnNa)Hide

Type:
Biaxial (+)
RI values:
nα = 1.648 - 1.658 nβ = 1.655 - 1.662 nγ = 1.662 - 1.671
2V:
Measured: 80° to 90°, Calculated: 68° to 88°
Max Birefringence:
δ = 0.014
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong
Pleochroism:
Visible
Comments:
X = b = Light olive-green
Y = ^c ~ +15° = Lighter olive-green
Z = Very light yellowish green

Chemical Properties of Dickinsonite-(KMnNa)Hide

Formula:
{KNa}{Mn2+◻}{Ca}{Na3}{Mn2+13}{Al}(PO4)12(OH)2
IMA Formula:
K(NaMn)CaNa3AlMn13(PO4)12(OH)2

Crystallography of Dickinsonite-(KMnNa)Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 24.94 Å, b = 10.13 Å, c = 16.72 Å
β = 105.6°
Ratio:
a:b:c = 2.462 : 1 : 1.651
Unit Cell V:
4,068.57 ų (Calculated from Unit Cell)
Morphology:
Crystals tabular {001}. Commonly pseudo-rhombohedral in habit. Triangular striations on {001}. Frequently foliated to micaceous; curved lamellar; radiated; stellated; and as disseminated scales.

Type Occurrence of Dickinsonite-(KMnNa)Hide

Synonyms of Dickinsonite-(KMnNa)Hide

Other Language Names for Dickinsonite-(KMnNa)Hide

Relationship of Dickinsonite-(KMnNa) to other SpeciesHide

Other Members of this group:
Arrojadite-(BaFe){Ba◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon.
Arrojadite-(BaNa)BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)Mon. 2/m : B2/b
Arrojadite-(KFe){KNa}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon.
Arrojadite-(KFeNa){KNa}{Fe2+◻}{Ca}{Na3}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2
Arrojadite-(KNa){KNa}{Na2}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon. m : Bb
Arrojadite-(NaFe){Na2}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2
Arrojadite-(PbFe){Pb◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon. m : Bb
Arrojadite-(SrFe){Sr◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon. m : Bb
Ferri-arrojadite-(BaNa){Ba◻}{Na2}{Ca}{Na2◻}{Fe2+13}{Fe3+}(PO4)11(HPO4)(OH)2
Fluorarrojadite-(BaFe){Ba◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)F2Mon. m : Bb
Fluorarrojadite-(BaNa)BaNa4CaFe13Al(PO4)11(PO3OH)F2Mon. m : Bb
Fluorarrojadite-(KNa){KNa}{Na2}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)F2
Fluorarrojadite-(NaFe){Na2}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)F2
Fluorcarmoite-(BaNa)Ba□Na2Na2□CaMg13Al(PO4)11(PO3OH)F2Mon. m : Bb
Forms a series with:

Common AssociatesHide

LithiophiliteLiMn2+PO4
Associated Minerals Based on Photo Data:
Fairfieldite5 photos of Dickinsonite-(KMnNa) associated with Fairfieldite on mindat.org.
Triploidite4 photos of Dickinsonite-(KMnNa) associated with Triploidite on mindat.org.
Lithiophilite4 photos of Dickinsonite-(KMnNa) associated with Lithiophilite on mindat.org.
Reddingite3 photos of Dickinsonite-(KMnNa) associated with Reddingite on mindat.org.
Fillowite1 photo of Dickinsonite-(KMnNa) associated with Fillowite on mindat.org.
Rhodochrosite1 photo of Dickinsonite-(KMnNa) associated with Rhodochrosite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.BF.05Arrojadite-(KFe){KNa}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon.
8.BF.05Arrojadite-(BaFe){Ba◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon.
8.BF.05Arrojadite-(SrFe){Sr◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon. m : Bb
8.BF.05Arrojadite-(KNa){KNa}{Na2}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon. m : Bb
8.BF.05Arrojadite-(PbFe){Pb◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon. m : Bb
8.BF.05Fluorarrojadite-(BaFe){Ba◻}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)F2Mon. m : Bb
8.BF.05Arrojadite-(NaFe){Na2}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2
8.BF.05Arrojadite-(BaNa)BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)Mon. 2/m : B2/b
8.BF.05Fluorarrojadite-(KNa){KNa}{Na2}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)F2
8.BF.05Fluorarrojadite-(NaFe){Na2}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)F2
8.BF.10Samuelsonite(Ca,Ba)Ca8Fe2+2Mn2+2Al2(PO4)10(OH)2Mon. 2/m : B2/m
8.BF.15GriphiteNa4Li2Ca6(Mn2+,Fe2+,Mg)19Al8(PO4)24(F,OH)8Iso. m3 (2/m 3)
8.BF.20NabiasiteBaMn2+9(VO4,AsO4)6(OH)2Iso.

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

41.7.2.1Arrojadite-(KFe){KNa}{Fe2+◻}{Ca}{Na2◻}{Fe2+13}{Al}(PO4)11(HPO4)(OH)2Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.12.1MetaswitzeriteMn3(PO4)2 · 4H2OMon. 2/m : P2/b
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)
19.12.34Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2Mon. 2/m : P21/b
19.12.35Ludlamite(Fe,Mn,Mg)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.
19.12.38FairfielditeCa2(Mn2+,Fe2+)(PO4)2 · 2H2OTric. 1 : P1
19.12.39BeusiteMn2+Mn2+2 (PO4)2Mon.
19.12.40MesseliteCa2(Fe2+,Mn2+)(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+2Fe3+2(PO4)4(OH)3(H2O)7Mon. 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

Other InformationHide

Notes:
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 Dickinsonite-(KMnNa)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brush and Dana (1878) American Journal of Science: 16: 114 (as Dickinsonite).
Brush and Dana (1890) American Journal of Science: 39: 213.
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 68.
Berman and Gonyer (1930) American Mineralogist: 15: 375.
Wolfe (1941) American Mineralogist: 26: 339.
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.: 717-719 (as Dickinsonite).
American Mineralogist (1981): 66: 1034-1049.
Cámara, F., Oberti, R., Chopin, C., Medenbach, O. (2006): The arrojadite enigma: I. A new formula and a new model for the arrojadite structure. American Mineralogist, 91, 1249-1259
Chopin, C., Oberti, R., Cámara, F. (2006): The arrojadite enigma: II. Compositional space, new members and nomenclature of the group. American Mineralogist, 91, 1260-1270.
Mücke, A. & Keck, E. (2011): Karbonate aus dem Pegmatit von Hagendorf-Süd/Opf.: Zusammensetzung, Verbreitung und begleitende Phosphat-Mineralien (Apatit, Hagendorfit und Eosphorit-Gruppe) - darunter einige Neufunde (Triplit, Mineralien der Arrojadit-Dickinsonit Reihe, Goyazit und Variscit). Aufschluss 62, 87-117.

Internet Links for Dickinsonite-(KMnNa)Hide

Localities for Dickinsonite-(KMnNa)Hide

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.
Argentina
 
  • Salta
    • La Poma department
      • Nevados de Palermo
        • El Quemado district
Galliski, M. A., & Hawthorne, F. C. (2002). Refinement of the crystal structure of ushkovite from Nevados de Palermo, Republica Argentina. The Canadian Mineralogist, 40(3), 929-937.
Australia
 
  • South Australia
    • Olary Province
      • Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta)
Record of Sth.Aust. mines summary Olary SI5402 card 235
Canada
 
  • Manitoba
    • Cross Lake
      • North Group
ERCIT, S.T., TAIT, K.T., COOPER, M.A. ABDU, Y., BALL, N.A., ANDERSON, A.J., ČERNÝ, P. & HAWTHORNE, F.C. (2010) Manitobaite, Na16Mn2+25Al8(PO4)30, a new phosphate mineral species from Cross Lake, Manitoba, Canada. Canadian Mineralogist 48, 1455-1463.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Plzeň Region
      • Poběžovice (Ronsperg; Ronsberg; Ronsperk)
        • Otov
Masau, M., Staněk, J., Černý, P., Chapman, R. (2000). Metasomatic wolfeite and associated phosphates from the Otov I granitic pegmatite, western Bohemia. J. Czech Geol. Soc. 45, 159-173.
Namibia
 
  • Erongo Region
    • Karibib District
      • Okongava Ost Farm 72
P. Keller et al., NJMA 183, 197-201 (2007)
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Świdnica District
Pieczka, A., Włodek, A., Gołębiowska, B., Szełęg, E., Szuszkiewicz, A., Ilnicki, S., Nejbert, K., Turniak, K. (2015): Phosphate-bearing pegmatites in the Góry Sowie Block and adjacent areas, Sudetes, SW Poland. 7th International Symposium on Granitic Pegmatites, PEG 2015 Książ, Poland. Abstracts: 77-78
USA
 
  • Arizona
    • Yavapai Co.
AmMin 67: 97-113 (1982)
  • Connecticut
    • Fairfield Co.
Januzzi (1976) Mineral Localities of Connecticut & Southeastern New York State, p.278
Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.
      • Redding (Reading)
        • Branchville
Brush and Dana (1878); American Mineralogist (1946): 31: 329-345; 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: 671, 718, 855.; Rocks & Minerals (1995) 70:396-409
    • Middlesex Co.
      • Portland
        • Collins Hill
          • Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries)
Schairer, J. F. (1926): Lithiophilite and Other Rare Phosphates from Portland, Connecticut. American Mineralogist: 11(4): 101-104.; Schooner, Richard. (1955): 90 Minerals from 1 Connecticut Hill. Rocks & Minerals: 30(7-8): 351-8.
  • Maine
    • Androscoggin Co.
      • Auburn
        • East Mount Apatite District
No reference listed
"Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
        • West Mount Apatite District
No reference listed
No reference listed
No reference listed
      • Poland
King, 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.
      • Greenwood
"Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
        • Uncle Tom Mountain
No reference listed
      • Hebron
Van King
      • Newry
King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.
      • Rumford
Guidebook 1 to Mineral Collecting in the Maine Pegmatite Belt
  • New Hampshire
    • Cheshire Co.
      • Alstead
Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
    • Grafton Co.
      • Alexandria
Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
      • Groton
Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
The following references are in error. Dickinsonite has not been properly identified in these references. Morrill, 1960. NH Mines and Minerals Localities, 2nd ed.; Am. Min. 50 (1965), 713-717
    • Sullivan Co.
      • Newport
Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
  • North Carolina
    • Gaston Co.
      • Bessemer City
No reference listed
  • South Dakota
    • Pennington Co.
      • Keystone District
        • Keystone
Seaman, 1976. Pegmatite Minerals of the World
Mineral and/or Locality  
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