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Chapmanite

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John E. Chapman
Formula:
Fe3+2Sb3+(Si2O5)O3(OH)
"1:1" layer silicate where the Fe2(Si2O5)O3(OH) part of the formula is analogous in structure to kaolinite, Al2(Si2O5)(OH)4, but additional Sb3+ is in pyramidal coordinate over the "holes" in the Fe layer.
Colour:
Olive green to deep yellow
Hardness:
Specific Gravity:
3.69 - 3.75
Crystal System:
Monoclinic
Name:
Named in honor of John Edward Chapman (22 February 1821, Kent, England - 28 January 1904, London, England), civil engineer and professor of minrealogy and geology, University of Toronto, Canada.
Isostructural with:
The antimony analogue of Bismutoferrite, with which it is easily confused.

Compare UM1978-09-O:CuHPbSbSi.


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Classification of ChapmaniteHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1924
9.ED.25

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
71.1.3.2

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
17.7.20

17 : Silicates Containing other Anions
7 : Silicates with vanadate, arsenate or antimonate

Physical Properties of ChapmaniteHide

Transparency:
Transparent
Comment:
Non metallic
Colour:
Olive green to deep yellow
Streak:
Greenish yellow to deep yellow
Hardness:
2½ on Mohs scale
Comment:
When compact
Fracture:
Irregular/Uneven, Conchoidal
Comment:
When compact
Density:
3.69 - 3.75 g/cm3 (Measured)    4.29 g/cm3 (Calculated)

Optical Data of ChapmaniteHide

Type:
Biaxial (-)
RI values:
nα = 1.850 nβ = 1.950 nγ = 1.960
2V:
Calculated: 32°
Max Birefringence:
δ = 0.110
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
none

Chemical Properties of ChapmaniteHide

Formula:
Fe3+2Sb3+(Si2O5)O3(OH)

"1:1" layer silicate where the Fe2(Si2O5)O3(OH) part of the formula is analogous in structure to kaolinite, Al2(Si2O5)(OH)4, but additional Sb3+ is in pyramidal coordinate over the "holes" in the Fe layer.
IMA Formula:
Fe3+2Sb3+(SiO4)2(OH)
Common Impurities:
Al

Crystallography of ChapmaniteHide

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bm
Setting:
Cm
Cell Parameters:
a = 5.19 Å, b = 8.99 Å, c = 7.70 Å
β = 100.4°
Ratio:
a:b:c = 0.577 : 1 : 0.857
Unit Cell V:
353.37 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals lath shaped, powdery, compact, massive

Type Occurrence of ChapmaniteHide

Place of Conservation of Type Material:
ROM and Harvard
Reference:
Walker, T.L. (1924) Chapmanite, a new hydrous ferrous silica-antimonate from South Lorrain, Ontario. Contributions to Canadian Mineralogy, University of Toronto, Geology Series: 17: 5-8.

Synonyms of ChapmaniteHide

Other Language Names for ChapmaniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz2 photos of Chapmanite associated with Quartz on mindat.org.
Stibnite2 photos of Chapmanite associated with Stibnite on mindat.org.
Marcasite1 photo of Chapmanite associated with Marcasite on mindat.org.
Woodruffite1 photo of Chapmanite associated with Woodruffite on mindat.org.
Silver1 photo of Chapmanite associated with Silver on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.ED.ClinochrysotileMon. 2/m
9.ED.05DickiteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.05KaoliniteAl2(Si2O5)(OH)4Tric. 1 : P1
9.ED.05NacriteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.05Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4Mon. m : Bm
9.ED.10HalloysiteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.10HisingeriteFe3+2(Si2O5)(OH)4 · 2H2OMon.
9.ED.10Halloysite-7ÅAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.15AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
9.ED.15AntigoriteMg3(Si2O5)(OH)4Mon. m : Bm
9.ED.15Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4Mon. m : Bm
9.ED.15Brindleyite(Ni,Al)3(Si,Al)2O5(OH)4Mon.
9.ED.15CaryopiliteMn2+3Si2O5(OH)4Mon.
9.ED.15ChrysotileMg3(Si2O5)(OH)4Mon.
9.ED.15CronstedtiteFe2+2Fe3+((Si,Fe3+)2O5)(OH)4Trig. 3m : P3 1m
9.ED.15Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4Mon.
9.ED.15Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4Mon.
9.ED.15KellyiteMn2+2Al(AlSiO5)(OH)4Hex.
9.ED.15LizarditeMg3(Si2O5)(OH)4
9.ED.15ManandoniteLi2Al4(Si2AlB)O10(OH)8Orth.
9.ED.15Népouite(Ni,Mg)3(Si2O5)(OH)4Orth.
9.ED.15PecoraiteNi3(Si2O5)(OH)4Mon.
9.ED.15GuidottiiteMn2Fe3+(Fe3+SiO5)(OH)4Hex. 6 : P63
9.ED.20Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2OAmor.
9.ED.20ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2OOrth.
9.ED.20ImogoliteAl2SiO3(OH)4
9.ED.20Neotocite(Mn,Fe,Mg)SiO3 · H2OAmor.
9.ED.25BismutoferriteFe3+2Bi(SiO4)2(OH)Mon. m : Bm

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

71.1.3.1BismutoferriteFe3+2Bi(SiO4)2(OH)Mon. m : Bm

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.7.1SuzukiiteBaVSi2O7Orth.
17.7.2FranciscaniteMn2+6(V5+,☐)2(SiO4)2(O,OH)6Hex.
17.7.3Kurumsakite(Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?)
17.7.4Ardennite-(As)Mn2+4Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6Orth. mmm (2/m 2/m 2/m)
17.7.5MedaiteMn2+6V5+Si5O18(OH)Mon.
17.7.6JohninnesiteNa2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2Tric.
17.7.7TiragalloiteMn2+4As5+Si3O12(OH)Mon. 2/m
17.7.8DixeniteCuMn2+14Fe2+(SiO4)2(As5+O4)(As3+O3)5(OH)6Trig.
17.7.9AsbecasiteCa3(Ti,Sn4+)Be2(AsO3)6(SiO4)2Trig. 3m : P3c1
17.7.10McgoverniteMn19Zn3(AsO4)3(AsO3)(SiO4)3(OH)21Trig. 3m (3 2/m)
17.7.11KraissliteZn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16Orth. 2 2 2 : C2 2 21
17.7.12SchalleriteMn2+16As3Si12O36(OH)17Trig. 3m : P3m1
17.7.13Nelenite(Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3]Mon.
17.7.14KoliciteMn2+7Zn4(AsO4)2(SiO4)2(OH)8Orth. mmm (2/m 2/m 2/m) : Cmca
17.7.15YeatmaniteZn6Mn2+9Sb5+2(SiO4)4O12Tric.
17.7.16WelshiteCa4Mg9Sb3O4[Si6Be3AlFe2O36]Tric. 1 : P1
17.7.17Katoptrite(Mn2+,Mg)13(Al,Fe3+)4Sb5+2(SiO4)2O20Mon. 2/m : B2/m
17.7.18ParweliteMn10Sb2As2Si2O24Mon. m : Bb
17.7.19LångbaniteMn2+4Mn3+9Sb5+O16(SiO4)2Trig. 3m : P3m1
17.7.21Cervandonite-(Ce)(Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH)Trig. 3m : R3m

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 ChapmaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Walker, T.L. (1924) Chapmanite, a new hydrous ferrous silica-antimonate from South Lorrain, Ontario. Contributions to Canadian Mineralogy, University of Toronto, Geology Series: 17: 5-8.
Foshag, W.F. (1925) New minerals: new species. American Mineralogist: 10: 39-41.
Milton, C., Axelrod, J.M., Ingram, B. (1958) Bismutoferrite, chapmanite, and "hypochlorite". American Mineralogist: 43: 656-670.
Fleischer, M. (1958) New mineral names. American Mineralogist: 43: 623-626.
Fleischer, M. (1959) New mineral names. American Mineralogist: 44: 464-470.
Cech, F., Povondra, P. (1963) Study of chapmanite from Smilkov, near Votice (Bohemia, Czechoslovakia). Acta Universitatis Carolinae - Geologica: 2: 97-114. (in Czech with English abstract)
Cech, F., Mandarino, J.A., Fleischer, M., Hildebrand, F.A. (1964) New mineral names. American Mineralogist: 49: 1497-1502.
Sobotka, J. (1965) Die Identitat des Hoeferits mit dem Chapmanit under der Chapmanit aus Bonenov. Acta Carolinae, Geologica: 2: 129-140.
Fleischer, M. (1965) New mineral names. American Mineralogist: 50: 2096-2111.
International Mineralogical Association (1968) International Mineralogical Association: Commission on new minerals and mineral names. Mineralogical Magazine: 36: 1143-1145.
Zhukhlistov, A.P., Zvyagin, B.B. (1977) Determination of the crystal structures of chapmanite and bismutoferrite by high-voltage electron diffraction. Kristallografiya: 22: 731-738. (in Russian). in English: Soviet Physics and Crystallography: 22: 419-423.
Ballirano, P., Maras, A., Marchetti, F., Merlino, S., Perchiazzi, N. (1998) Rietveld refinement of chapmanite SbFe2Si2O8OH, a TO dioctahedral kaolinite-like mineral. Powder Diffraction: 13: 44-49.

Internet Links for ChapmaniteHide

Localities for ChapmaniteHide

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.
Canada
 
  • Ontario
    • Timiskaming District
      • Cobalt-Gowganda region
        • Cobalt area
          • Coleman Township
Cataloque of Canadian Minerals, 1980, R.J.Trail, GSC Paper 80-18, pg102.
        • South Lorrain Township
WALKER, T.L. (1924): Chapmanite, a new hydrous ferrous silica-antimonate from South Lorrain, Ontario. Contributions to Canadian Mineralogy, University of Toronto, Geology Series 17, 5-8. ZHUKHLISTOV, A.P. & ZVYAGIN, B.B. (1977): Determination of the crystal structures of chapmanite and bismutoferrite by high-voltage electron diffraction. Kristallografiya 22, 731-738. (in Russian). in English: Soviet Physics and Crystallography 22, 419-423.
Ann P. Sabina (1974) Rocks and Minerals for the Collector: Cobalt-Belleferre-Timmins; Ontario and Quebec. Canadian Geological Survey Paper 73-13
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Benešov (Beneschau)
        • Votice (Wotitz)
Duda, Rejl, Slivka: "Mineralien", 1991
      • Příbram
        • Vrančice
[Lapis 1995, 12, p.13-24]
      • Zruč nad Sázavou (Srutsch an der Sasau)
Žáček, V.: Chapmanit z Vlastějovic. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 227.
    • Plzeň Region
      • Chodová Planá (Kuttenplan)
Roman Gramblicka collection
France
 
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Lubilhac
Michel Blondieau collection
      • Mercoeur
        • Chazelles-Haut (Chazelle)
J.-J. Périchaud: Les Minéraux d'Auvergne, Vol. 2, Clermont-Ferrand (1986)
  • Grand Est
    • Haut-Rhin
      • Fecht valley (Munster valley)
        • Stosswihr
FLUCK, P. & STEIN, S. (1992): Espèces minérales des principaux districts miniers du massif vosgien. - Pierres et Terre 35, December 1992, 120 pp.
    • Vosges
      • Upper Moselle Valley
Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
Germany
 
  • Saxony
    • Erzgebirge
      • Freiberg District
        • Bräunsdorf
C.M. Kersten (1844) Jahrbuch für den Berg- und Hüttenmann, 59-61; A. Frenzel (1874): Mineralogisches Lexicon für das Königreich Sachsen (as Antimon-Hypochlorit)
Italy
 
  • Tuscany
    • Grosseto Province
      • Manciano
    • Lucca Province
      • Apuan Alps
        • Stazzema
          • Ponte Stazzemese
Orlandi P., Dini A., 2004. Die Mineralien der Buca della Vena-Mine, Apuaner Berge, Toskana (Italien). Lapis, 1: 11-24.
    • Siena Province
      • Chiusdino
Menchetti, S., Batoni, M., Batacchi, C., Borselli, G., Brogi, A., Ceccantini, L., Fassina, B., Marchesini, M., Rossellini, A. & Ruggieri, G. (2015): Le Cetine di Cotorniano. Miniera e minerali. Associazione Micro-Mineralogica Italiana, Cremona, 354 p.
Japan
 
  • Kyushu Region
    • Kagoshima Prefecture
      • Hioki City
        • Fukiage
Ohe Rikosha specimens; Alfredo Petrov collection.
      • Suzuyama District
Handbook of Mineralogy
Kyrgyzstan
 
  • Osh Oblast
    • Alai Range (Alay Range)
[Lapis 1993:11 p11-24]
Mexico
 
  • Durango
    • Mun. de Cuencamé
Bideaux, Handbook of Mineralogy
    • Mun. de Durango
Peter Megaw collector, Marcus Origlieri analysis, December 2014
Portugal
 
  • Beja District
    • Beja
      • Nossa Senhora das Neves
MUHNAC, Lisbon (António Bello mineral collection) former Harvard
Slovakia
 
  • Bratislava Region
    • Pezinok Co.
      • Pezinok
        • Kolársky hill
Polák S., 1983: Chapmanit z Pezinka. Miner. Slov., 15, 565-566.
Polák S., 1983: Chapmanit z Pezinka. Mineralia Slovaca, 15, 565-566. (in Slovak) Polák S., 1988: Ešte raz o chapmanite z Pezinka. Mineralia Slovaca, 20, 475-476. (in Slovak)
South Africa
 
  • Mpumalanga Province
    • Nkangala District
      • Delmas
        • Argent
Sabine MC. Verryn & Paul MPB Meulenbe(e)ld (2000) A new locality for Chapmanite (Sb(OH)Fe2(SiO4)2) at a lead-silver-zinc deposit near Argent Station, Mpumalanga, South Africa. N. Jb. Miner. Mh. 2000(2):85-90. Stuttgart.
Spain
 
  • Asturias
    • Belmonte de Miranda
Mesa, M., Calvo, M. & Viñals,(2002). El Valle - Boinás, un proyecto moderno con m inerales de excepción. Bocamina, 9, 40-85.
    • Salas
      • Carlés
Calvo, M. & Viñals, J. (2014). Mineralogy of the gold deposit in Carlés, Salas, Asturias, Spain. Mineral Up, 3 (6), 6-32
USA
 
  • Nevada
    • Humboldt Co.
      • Opalite District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Mineral Co.
      • Candelaria District
NBMG Spec. Pub. 31 Minerals of Nevada
Mineral and/or Locality  
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