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Pennantite

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Thomas Pennant
Formula:
Mn2+5Al(AlSi3O10)(OH)8
Colour:
Orange-red, red-brown, brown, dark red, dark green, black
Lustre:
Waxy, Greasy
Hardness:
2 - 2½
Specific Gravity:
2.89 - 3.07
Crystal System:
Triclinic
Member of:
Name:
Named in 1946 by Walter Campbell Smith, Frederick Allen Bannister, and Max Hutchinson Hey in honor of Thomas Pennant [14 June {Old Style}, 1726 Whitford, Flintshire, Wales, United Kingdom - 16 December 1798 Whitford, Flintshire, Wales], author, naturalist, and antiquary.
Compare also gonyerite, a chemically similar Mn-member of the chlorite group.


Hide all sections | Show all sections

Classification of PennantiteHide

Approved, 'Grandfathered' (first described prior to 1959)
9.EC.55

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
71.4.1.8

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
4 : Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
16.16.7

16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn

Physical Properties of PennantiteHide

Waxy, Greasy
Transparency:
Translucent
Comment:
Pearly on cleavage
Colour:
Orange-red, red-brown, brown, dark red, dark green, black
Hardness:
2 - 2½ on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
on {001}
Density:
2.89 - 3.07 g/cm3 (Measured)    3.18 g/cm3 (Calculated)

Optical Data of PennantiteHide

Type:
Biaxial (-)
RI values:
nα = 1.646 nβ = 1.661 nγ = 1.661
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
weak
Pleochroism:
Visible
Comments:
X= pinkish orange, orange-buff, reddish brown
Y=Z= orange, yellowish orange, very dark brown

Chemical Properties of PennantiteHide

Formula:
Mn2+5Al(AlSi3O10)(OH)8
IMA Formula:
(Mn2+,Al)6(Si,Al)4O10(OH)8
Common Impurities:
Fe,Zn,Mg,Ba,H2O

Crystallography of PennantiteHide

Crystal System:
Triclinic
Cell Parameters:
a = 5.45 Å, b = 9.50 Å, c = 14.40 Å
α = 90°, β = 97.3°, γ = 90°
Ratio:
a:b:c = 0.574 : 1 : 1.516
Unit Cell V:
739.52 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Lamellar crystals and flakes

Type Occurrence of PennantiteHide

Synonyms of PennantiteHide

Other Language Names for PennantiteHide

German:Pennantit
Spanish:Pennantita

Varieties of PennantiteHide

Fe-pennantitePennantite with Fe>Mn.
Not submitted to the IMA.

Originally reported from Ushkatan I (Ushkatyn I) deposit, Atasu - Karazhal - Zhayrem area, Kazakhstan.

Relationship of Pennantite to other SpeciesHide

Member of:
Other Members of this group:
Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8Tric.
BorocookeiteLi1+3xAl4-x(BSi3O10)(OH)8
Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8Mon.
ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
Cookeite(Al2Li)Al2(AlSi3O10)(OH)8Mon. 2/m
DonbassiteAl4.33(AlSi3O10)(OH)8Mon. 2 : B2
FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2
GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8Tric. 1 : P1
Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8Mon.
Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
SudoiteMg2Al3(Si3Al)O10)(OH)8Mon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Rhodochrosite2 photos of Pennantite associated with Rhodochrosite on mindat.org.
Roeblingite2 photos of Pennantite associated with Roeblingite on mindat.org.
Charlesite2 photos of Pennantite associated with Charlesite on mindat.org.
Ganophyllite2 photos of Pennantite associated with Ganophyllite on mindat.org.
Hendricksite2 photos of Pennantite associated with Hendricksite on mindat.org.
Hancockite2 photos of Pennantite associated with Hancockite on mindat.org.
Clinohedrite2 photos of Pennantite associated with Clinohedrite on mindat.org.
Willemite2 photos of Pennantite associated with Willemite on mindat.org.
Friedelite1 photo of Pennantite associated with Friedelite on mindat.org.
Quartz1 photo of Pennantite associated with Quartz on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.EC.05MinnesotaiteFe2+3Si4O10(OH)2Tric. 1 : P1
9.EC.05TalcMg3Si4O10(OH)2Tric. 1 : P1
9.EC.05WillemseiteNi3Si4O10(OH)2Mon.
9.EC.10FerripyrophylliteFe3+Si2O5(OH)Mon.
9.EC.10PyrophylliteAl2Si4O10(OH)2Tric. 1
9.EC.15BoromuscoviteKAl2(BSi3O10)(OH)2Mon.
9.EC.15CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2Mon.
9.EC.15Montdorite(K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4
9.EC.15MuscoviteKAl2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15NanpingiteCsAl2(AlSi3O10)(OH,F)2Mon.
9.EC.15ParagoniteNaAl2(AlSi3O10)(OH)2Mon.
9.EC.15RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15Tobelite(NH4,K)Al2(AlSi3O10)(OH)2Mon.
9.EC.15AluminoceladoniteK(Mg,Fe2+)Al(Si4O10)(OH)2Mon.
9.EC.15ChromphylliteK(Cr,Al)2(AlSi3O10)(OH,F)2Mon. 2/m : B2/b
9.EC.15FerroaluminoceladoniteK(Fe2+,Mg)(Al,Fe3+)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15FerroceladoniteK(Fe2+,Mg)(Fe3+,Al)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15ChromceladoniteK(Mg,Fe2+)(Cr,Al)(Si4O10)(OH)2Mon.
9.EC.15TainioliteKLiMg2(Si4O10)F2Mon.
9.EC.15Ganterite(Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2Mon.
9.EC.20AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20EphesiteLiNaAl2(Al2Si2O10)(OH)2Tric.
9.EC.20HendricksiteK(Zn,Mg,Mn2+)3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2Mon.
9.EC.20NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
9.EC.20PhlogopiteKMg3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon.
9.EC.20SiderophylliteKFe2+2Al(Al2Si2O10)(OH)2Mon.
9.EC.20TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
9.EC.20FluorotetraferriphlogopiteKMg3(Fe3+Si3O10)F2Mon. 2/m : B2/m
9.EC.20Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4Mon. 2/m : B2/m
9.EC.20EastoniteKMg2Al(Al2Si2O10)(OH)2Mon.
9.EC.20TetraferrianniteKFe2+3((Fe3+,Al)Si3O10)(OH)2Mon.
9.EC.20TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20FluoranniteKFe2+3(AlSi3O10)(F,OH)2Mon.
9.EC.20ShirokshiniteKNaMg2(Si4O10)F2Mon. 2/m : B2/m
9.EC.20ShirozuliteK(Mn2+,Mg)3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20SokolovaiteCsLi2Al(Si4O10)F2Mon.
9.EC.20AspidoliteNaMg3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20FluorophlogopiteKMg3(AlSi3O10)(F,OH)2Mon. 2/m : B2/m
9.EC.20UM2004-49-SiO:AlCsFHKLi(Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2
9.EC.20Suhailite(NH4)Fe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20YangzhumingiteKMg2.5(Si4O10)F2Mon. 2/m : B2/m
9.EC.20OrloviteKLi2Ti(Si4O10)OFMon. 2 : B2
9.EC.20OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2Mon. 2/m : B2/m
9.EC.25Brammallite(Na,H3O)(Al,Mg,Fe)2((Si,Al)4O10)(OH)2Mon.
9.EC.30MargariteCaAl2(Al2Si2O10)(OH)2Mon.
9.EC.35Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2Mon. 2/m : B2/b
9.EC.35BityiteLiCaAl2(AlBeSi2O10)(OH)2Mon. 2/m : B2/b
9.EC.35ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2Mon. 2/m : B2/m
9.EC.35Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2Mon.
9.EC.35Ferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2Mon.
9.EC.35Oxykinoshitalite(Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2Mon. 2/m : B2/m
9.EC.35FluorokinoshitaliteBaMg3(Al2Si2O10)F2Mon. 2/m : B2/m
9.EC.40Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2OMon.
9.EC.40Kurumsakite(Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?)
9.EC.40Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2OMon.
9.EC.40VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.40Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2OMon.
9.EC.45HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2Mon.
9.EC.45SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2OMon.
9.EC.45SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.45SpadaiteMgSiO2(OH)2 · H2O (?)
9.EC.45Stevensite(Ca,Na)xMg3-x(Si4O10)(OH)2Mon.
9.EC.45SwineforditeLi(Al,Li,Mg)4((Si,Al)4O10)2(OH,F)4 · nH2OMon.
9.EC.45ZincsiliteZn3(Si4O10)(OH)2 · 4H2OMon.
9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O
9.EC.50VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m
9.EC.55Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8Tric.
9.EC.55Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8Mon.
9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55Cookeite(Al2Li)Al2(AlSi3O10)(OH)8Mon. 2/m
9.EC.55FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2
9.EC.55Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
9.EC.55Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8Mon.
9.EC.55Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
9.EC.55SudoiteMg2Al3(Si3Al)O10)(OH)8Mon.
9.EC.55DonbassiteAl4.33(AlSi3O10)(OH)8Mon. 2 : B2
9.EC.55GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8Tric. 1 : P1
9.EC.55BorocookeiteLi1+3xAl4-x(BSi3O10)(OH)8
9.EC.60AliettiteCa0.2Mg6((Si,Al)8O20)(OH)4 · 4H2OMon.
9.EC.60Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2OOrth.
9.EC.60DozyiteMg7Al2(Al2Si4O15)(OH)12Mon.
9.EC.60HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2OMon.
9.EC.60Karpinskite(Ni,Mg)2Si2O5(OH)2 (?)
9.EC.60KulkeiteMg8Al(AlSi7O20)(OH)10Mon.
9.EC.60LunijianlaiteLi0.7Al6.2(AlSi7O20)(OH,O)10Mon.
9.EC.60Rectorite(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2OMon.
9.EC.60Saliotite(Li,Na)Al3(AlSi3O10)(OH)5Mon.
9.EC.60TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2OMon. 2 : B2
9.EC.60BrinrobertsiteNa0.3Al4(Si4O10)2(OH)4 · 3.5 H2OMon.
9.EC.65Macaulayite(Fe,Al)24Si4O43(OH)2Mon.
9.EC.70BurckhardtitePb2(Fe3+Te6+)[AlSi3O8]O6Trig. 3m (3 2/m) : P3 1m
9.EC.75Ferrisurite(Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2OMon.
9.EC.75Surite(Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2Mon.
9.EC.75Niksergievite(Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2OMon.
9.EC.80KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.

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

71.4.1.1DonbassiteAl4.33(AlSi3O10)(OH)8Mon. 2 : B2
71.4.1.2Cookeite(Al2Li)Al2(AlSi3O10)(OH)8Mon. 2/m
71.4.1.3SudoiteMg2Al3(Si3Al)O10)(OH)8Mon.
71.4.1.4ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
71.4.1.5Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8Mon.
71.4.1.6Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8Tric.
71.4.1.7Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.16.1KanonaiteMn3+Al(SiO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
16.16.2SpessartineMn2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
16.16.3DavreuxiteMnAl6Si4O17(OH)2Mon.
16.16.4SursassiteMn2+2Al3(SiO4)(Si2O7)(OH)3Mon. 2/m : P21/m
16.16.5CarpholiteMn2+Al2(Si2O6)(OH)4Orth.
16.16.6KellyiteMn2+2Al(AlSiO5)(OH)4Hex.
16.16.8AkatoreiteMn2+9Al2Si8O24(OH)8Tric.
16.16.9Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2OMon.
16.16.10Mangano-ferri-eckermannite[Na][Na2][Mn2+4(Fe3+)]Si8O22(OH)2Mon.
16.16.11Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2Mon.
16.16.13HowieiteNa(Fe,Mn)10(Fe,Al)2Si12O31(OH)13Tric.
16.16.14Eggletonite(Na,K,Ca)2(Mn,Fe)8(Si,Al)12O29(OH)7 · 11H2OMon.
16.16.15Bannisterite(Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2OMon. 2/m : B2/b
16.16.16Taneyamalite(Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44Tric.
16.16.17ZussmaniteK(Fe,Mg,Mn)13(Si,Al)18O42(OH)14Trig. 3 : R3
16.16.18CoombsiteK(Mn,Fe,Mg)13(Si,Al)18O42(OH)14Trig.
16.16.19HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
16.16.20MacfalliteCa2Mn3+3(SiO4)(Si2O7)(OH)3Mon.
16.16.21Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2Mon.
16.16.22Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
16.16.23OkhotskiteCa2(Mn,Mg)(Mn3+,Al,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2OMon.
16.16.24Pumpellyite-(Mn2+)Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 · H2OMon.
16.16.25Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon.

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 PennantiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1947): 32: 254.
Canadian Mineralogist (1983): 21: 545.

Internet Links for PennantiteHide

Localities for PennantiteHide

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.
Australia
 
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
www.crocoite.com (Steve Sorrell) and refs therein
Austria
 
  • Styria
    • Mitterdorf
      • Veitsch
        • Kleinveitsch
          • Kaiblinggraben
Francis, C.A. (2004)
Italy
 
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Matteo Chinellato specimen
          • Reppia
Palenzona, A. (1990): I nostri minerali. Geologia e mineralogia in Liguria. Aggiornamento 1990. Amici Mineralogisti Fiorentini - Associazione Piemontese Mineralogia Paleontologia & Mostra Torinese Minerali - Centro Mineralogico Varesino - Gruppo Mineralogico "A. Negro" Coop Liguria (GE) - Gruppo Mineralogico Lombardo - Gruppo Mineralogico Paleontologico "3M" Ferrania (SV), Ed., Milano, 48 pp.
Japan
 
  • Honshu Island
    • Kanto Region
      • Tochigi Prefecture
        • Kanuma City
Akira Kato (undated manuscript): Country rock and Minerals of the Kaso mine, Kanuma City, Tochigi Prefecture. (in japanese)
Kazakhstan
 
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    • Zhayrem (Zhairem)
Frank Dzubeck; Kayupova, M.M. (1965) Doklady of the Academy of Sciences U.S.S.R., Earth Science sections, 163, 97-100.
Hey, M. H., & Embrey, P. G. (1974). Twenty-eighth list of new mineral names. Mineralogical Magazine, 39(308), 903-932.
Frank Dzubeck
Romania
 
  • Maramureș Co.
http://minerals-of-the-carpathians.eu; Udubasa, G., Hartopanu, P., Ilinca, G. (1996). The Regionally metamorphosed Fe-Mn Ore Deposit at Razoare, Preluca Mts., Romania. Romanian Journal of Mineralogy, 77, 3-20.
South Africa
 
  • Limpopo Province
    • Vhembe District
Minerals of South Africa - Bruce Cairncross & Roger Dixon pg 52
Sweden
 
  • Värmland
    • Filipstad
      • Persberg district
        • Pajsberg
Nysten, P. (1984): Kleinod des Nordens - Harstigen in Schweden. Magma 2/1984, 12-30.
Switzerland
 
  • Wallis (Valais)
    • Turtmann Valley
      • Pipjitälli
The Canadian Mineralogist Vol. 44, pp. 000 (2006) page 205; Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
UK (TL)
 
  • Wales
    • Gwynedd
      • Lleyn Peninsula
        • Llanfaelrhys
          • Rhiw
Campbell, et al (1946); Canadian Mineralogist:21(1983):545.; UK Journal of mines & Minerals, number 29 pp47-48; Am Min (1955) 40:32-40; W. Campbell Smith and F. A. Bannister (1948) Ganophyllite from the Benallt Mine, Rhiw, Carnarvonshire Mineralogical Magazine 28:343-352
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
Dunn, P.J., et al: Am.Min.:68:1033-1037 (1983); Dunn(1995):Pt4:471.; Bayliss, P. (1983). Polytypes of pennantite. Canadian Mineralogist, 21(3), 545-547.
  • North Carolina
    • Alleghany Co.
      • Sparta
        • Bald Knob
Rocks & Min.: 60:130-135.; Bayliss, P. (1983). Polytypes of pennantite. Canadian Mineralogist, 21(3), 545-547.
  • South Dakota
    • Pennington Co.
      • Keystone District
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
  • Washington
    • Chelan Co.
      • Chiwawa District
        • Trinity
Minerals of Washington, Bart Cannon, 1975; Minerals of Washington, Bart Cannon, 1975
      • Leavenworth District
        • Leavenworth
Minerals of Washington, Bart Cannon, 1975
    • King Co.
      • Snoqualmie District
        • Snoqualmie Pass
          • Source Lake
Minerals of Washington, Bart Cannon, 1975
      • Taylor River & Snoqualmie Districts
        • Quartz Creek
Minerals of Washington, Bart Cannon, 1975
    • Snohomish Co.
      • Index District
        • Index
Minerals of Washington, Bart Cannon, 1975
      • Monte Cristo District
        • Monte Cristo
Minerals of Washington, Bart Cannon, 1975
    • Stevens Co.
      • Huckleberry Range
        • Deer Trail & Cedar Canyon Districts
          • Deer Trail District
            • Adams Mountain
Minerals of Washington, B. Cannon, 1975
Mineral and/or Locality  
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