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Pimelite

A discredited species name
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About PimeliteHide

Formula:
Ni3Si4O10(OH)2 · 4H2O
Colour:
Bright green, apple green, yellow-green
Lustre:
Waxy, Greasy
Hardness:
Specific Gravity:
2.23 - 2.98
Crystal System:
Hexagonal
Member of:
Name:
Named by Dietrich Ludwig Gustav Karsten in 1800 for the Greek word for "fat", in allusion to the mineral's appearance.
Dark grass to forest-green clay mineral.

Pimelite was determined to be a smectite as early as 1938 [also American Mineralogist 51:279 [1966]. Later erroneously ascribed to nickel-rich talc (American Mineralogist 64:615 [1979]). Both nickel-bearing talc, intermediate nickeloan nontronite, and nickel dominant smectite (Pimelite) occur at the type locality. A re-validation research project has begun.

Often thought to be a colouring agent in chrysoprase, but probably rarely present in that material.

Pimelite apparently constitutes part of the mixtures called garnierite or noumeite, and it could form a series with stevensite or saponite.[3]


Unique IdentifiersHide

Mindat ID:
7236
Long-form identifier:
mindat:1:1:7236:2

Similar NamesHide

DimeliteA rock subtype
EimeliteA synonym of 'Cimolite'

IMA Classification of PimeliteHide

Discredited
Approval history:
Discredited by IMA in 2006 (IMA 06–C) = probably willemseite or kerolite (note: pimelite has historical precedence), cf. Burke (2006).

Classification of PimeliteHide

9.EC.22

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
71.3.1b.5

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
3 : Sheets of 6-membered rings with 2:1 clays

Physical Properties of PimeliteHide

Waxy, Greasy
Transparency:
Translucent
Colour:
Bright green, apple green, yellow-green
Streak:
White to pale green
Hardness:
2½ on Mohs scale
Tenacity:
Waxy
Cleavage:
Perfect
[0001]
Fracture:
Irregular/Uneven
Density:
2.23 - 2.98 g/cm3 (Measured)    2.68 g/cm3 (Calculated)

Optical Data of PimeliteHide

Type:
Biaxial (-)
RI values:
nα = 1.592 nγ = 1.615
2V:
Measured: 30° to 80°
Birefringence:
0.014-0.025
Max. Birefringence:
δ = 0.023
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.

Surface Relief:
Moderate
Dispersion:
none
Optical Extinction:
Can appear isotropic
Pleochroism:
Visible
Comments:
Pale green colorless to light yellow green

Chemistry of PimeliteHide

Mindat Formula:
Ni3Si4O10(OH)2 · 4H2O
Element Weights:
Element% weight
O46.167 %
Ni31.755 %
Si20.260 %
H1.818 %

Calculated from ideal end-member formula.

Crystallography of PimeliteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 5.256 Å, c = 14.822 Å
Ratio:
a:c = 1 : 2.82
Unit Cell V:
354.61 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Fine-grained
Comment:
Expands to 17.35 A using glycol

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
15.1 Å(100)
4.56 Å(40)
3.34 Å(20)
2.66 Å(40)
2.27 Å(20)
1.72 Å(10)
1.52 Å(80)
Comments:
ICDD 43-664

Geological EnvironmentHide

Geological Setting:
Laterite, saprolite

First Recorded Occurrence of PimeliteHide

General Appearance of First Recorded Material:
Dark grass to forest-green masses of pimelite are found in colour-zoned pods (to 1 meter) with yellow-green nickeloan nontronite associated with red-brown hematite-stained nontronite and adjacent to bright white montmorillonite pods in a weathering profile.
Geological Setting of First Recorded Material:
Dark grass to forest-green masses of pimelite are found in colour-zoned pods in a weathering profile.
Associated Minerals at First Recorded Locality:

Synonyms of PimeliteHide

Other Language Names for PimeliteHide

German:Pimelit
Spanish:Pimelita

Relationship of Pimelite to other SpeciesHide

Member of:
Other Members of Smectite Group:
Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m : B2/m
FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2OMon.
HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2Mon. 2/m : B2/m
Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2OMon. 2/m : B2/m
NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m : B2/m
Saliotite(Li,Na)Al3(AlSi3O10)(OH)5Mon. 2/m : B2/m
SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2OMon.
SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2OMon.
Stevensite(Ca,Na)xMg3-x(Si4O10)(OH)2Mon.
SwineforditeLi(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2OMon. 2/m : B2/m
VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2OMon.
Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2OMon.
ZincsiliteZn3Si4O10(OH)2 · 4H2O (?)Mon.

Common AssociatesHide

Associations Based on Photo Data:
10 photos of Pimelite associated with 'Chrysoprase'
4 photos of Pimelite associated with 'Chalcedony'SiO2
3 photos of Pimelite associated with 'Kerolite'(Mg,Ni)3Si4O10(OH)2 · nH2O (n ~ 1)
2 photos of Pimelite associated with NimiteNi5Al(AlSi3O10)(OH)8
2 photos of Pimelite associated with HematiteFe2O3
1 photo of Pimelite associated with QuartzSiO2
1 photo of Pimelite associated with 'Garnierite'
1 photo of Pimelite associated with NickelineNiAs
1 photo of Pimelite associated with Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O

Related Minerals - Strunz-mindat GroupingHide

9.EC.MeifuiteKFe6(Si7Al)O19(OH)4Cl2Tric. 1 : P1
9.EC.BalestraiteKLi2V5+Si4O12Mon. 2 : B2
9.EC.05TalcMg3Si4O10(OH)2Tric. 1 : P1
9.EC.05MinnesotaiteFe2+3Si4O10(OH)2Tric. 1 : P1
9.EC.05WillemseiteNi3Si4O10(OH)2Mon.
9.EC.9.EC.VoloshiniteRb(LiAl1.50.5)(Al0.5Si3.5)O10F2Mon. 2/m : B2/b
9.EC.10FluorluanshiweiiteKLiAl1.5(Si3.5Al0.5)O10F2Mon. 2/m : B2/m
9.EC.10GarmiteCsLiMg2(Si4O10)F2Mon.
9.EC.10GorbunoviteCsLi2(Ti,Fe)Si4O10(F,OH,O)2Mon.
9.EC.10FerripyrophylliteFe3+Si2O5(OH)Mon. 2/m
9.EC.10ManganiceladoniteK(MgMn3+◻)(Si4O10)(OH)2Mon.
9.EC.10LuanshiweiiteKLiAl1.5(Si3.5Al0.5)O10(OH)2Mon. 2/m : B2/b
9.EC.10PyrophylliteAl2Si4O10(OH)2Tric. 1
9.EC.15ParagoniteNaAl2(AlSi3O10)(OH)2Mon.
9.EC.15FerroaluminoceladoniteK(Fe2+Al◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15NanpingiteCsAl2(AlSi3O10)(OH,F)2Mon. 2/m : B2/b
9.EC.15FerroceladoniteK(Fe2+Fe3+◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15GanteriteBa0.5(Na,K)0.5Al2(Si2.5Al1.5)O10(OH)2Mon. 2/m : B2/b
9.EC.15KreiteriteCsLi2Fe3+(Si4O10)F2Mon.
9.EC.15RoscoeliteKV3+2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15AluminoceladoniteK(MgAl◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15Tobelite(NH4)Al2(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.15TainioliteKLiMg2(Si4O10)F2Mon. 2/m : B2/m
9.EC.15CeladoniteK(MgFe3+◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15ChromceladoniteK(MgCr◻)(Si4O10)(OH)2Mon. 2 : B2
9.EC.15MontdoriteKFe2+1.5Mn2+0.5Mg0.5Si4O10(F,OH)2Mon. 2/m : B2/m
9.EC.15ChromphylliteKCr2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15BoromuscoviteKAl2(BSi3O10)(OH)2Mon. 2/m
9.EC.15'UM1988-22-SiO:AlCaFFeHKLiMg'KLiMgAl2Si3O10F2Mon.
9.EC.15Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2Mon.
9.EC.15MuscoviteKAl2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.20MasutomiliteK(LiAlMn2+)[AlSi3O10]F2Mon. 2 : B2
9.EC.20OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2Mon. 2/m : B2/m
9.EC.20'Chloroferrokinoshitalite'(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)2
9.EC.20SiderophylliteKFe2+2Al(Al2Si2O10)(OH)2Mon.
9.EC.20SokolovaiteCsLi2Al(Si4O10)F2Mon.
9.EC.20HendricksiteKZn3(Si3Al)O10(OH)2Mon. 2/m : B2/m
9.EC.20TetraferriphlogopiteKMg3(Si3Fe3+)O10(OH)2Mon. 2/m : B2/m
9.EC.20FluoranniteKFe2+3(Si3Al)O10F2Mon. 2/m : B2/m
9.EC.20AspidoliteNaMg3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20Suhailite(NH4)Fe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20EphesiteNaLiAl2(Al2Si2O10)(OH)2Tric. 1 : P1
9.EC.20NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
9.EC.20PhlogopiteKMg3(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.20TetraferrianniteKFe2+3(Si3Fe3+)O10(OH)2Mon. 2/m : B2/m
9.EC.20ShirokshiniteK(NaMg2)(Si4O10)F2Mon. 2/m : B2/m
9.EC.20TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20ShirozuliteKMn2+3(Si3Al)O10(OH)2Mon. 2/m : B2/m
9.EC.20PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon. 2/m : B2/b
9.EC.20FluorophlogopiteKMg3(Si3Al)O10F2Mon. 2/m : B2/m
9.EC.20Wonesite(Na,K,◻)(Mg,Fe,Al)6(Si,Al)8O20(OH,F)4Mon. 2/m : B2/m
9.EC.20'UM2004-49-SiO:AlCsFHKLi'(Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2
9.EC.20FluorotetraferriphlogopiteKMg3(Fe3+Si3O10)F2Mon. 2/m : B2/m
9.EC.20AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20EastoniteKMg2Al(Al2Si2O10)(OH)2Mon.
9.EC.30MargariteCaAl2(Al2Si2O10)(OH)2Mon. 2/m : B2/b
9.EC.35Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2Mon. 2/m : B2/m
9.EC.35Ferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2Mon. 2/m : B2/m
9.EC.35ClintoniteCaAlMg2(SiAl3O10)(OH)2Mon. 2/m : B2/m
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.35BityiteCaLiAl2(AlBeSi2O10)(OH)2Mon. 2/m : B2/b
9.EC.35Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2Mon. 2/m : B2/b
9.EC.40Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.40NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40Kurumsakite(Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?)Orth.
9.EC.40Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2OMon.
9.EC.45SwineforditeLi(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2OMon. 2/m : B2/m
9.EC.45HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2Mon. 2/m : B2/m
9.EC.45ZincsiliteZn3Si4O10(OH)2 · 4H2O (?)Mon.
9.EC.45HanjiangiteBa2CaV3+Al(H2AlSi3O12)(CO3)2FMon. 2 : B2
9.EC.45SpadaiteMgSiO2(OH)2 · H2O (?)
9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.45Stevensite(Ca,Na)xMg3-x(Si4O10)(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.50VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m
9.EC.52'Tarasovite'near NaKAl11Si13O40(OH)9 · 3H2O
9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55Borocookeite(LiAl4◻)[BSi3O10](OH)8Mon. m : Bb
9.EC.55FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2
9.EC.55PennantiteMn2+5Al(AlSi3O10)(OH)8Tric.
9.EC.55VakhrushevaiteMg5Cr(AlSi3O10)(OH)8Tric. 1
9.EC.55NimiteNi5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55Cookeite(LiAl4◻)[AlSi3O10](OH)8Mon. 2/m
9.EC.55GonyeriteMn2+5Fe3+(Fe3+Si3O10)(OH)8Orth.
9.EC.55ChamositeFe2+5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55'Orthochamosite'(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
9.EC.55BaileychloreZn5Al(AlSi3O10)(OH)8Tric. 1
9.EC.55SudoiteMg2Al3(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8Tric. 1 : P1
9.EC.55DonbassiteAl4.33(AlSi3O10)(OH)8Mon. 2 : B2
9.EC.60DozyiteMg7Al2(Al2Si4O15)(OH)12Mon.
9.EC.60Rectorite(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2OMon.
9.EC.60Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2OOrth.
9.EC.60AliettiteCa0.2Mg6((Si,Al)8O20)(OH)4 · 4H2OMon.
9.EC.60Karpinskite(Ni,Mg)2Si2O5(OH)2 (?)Mon.
9.EC.60LunijianlaiteLi0.7Al6.2(AlSi7O20)(OH,O)10Mon.
9.EC.60TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2OMon. 2 : B2
9.EC.60HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2OMon. 2/m : B2/m
9.EC.60Saliotite(Li,Na)Al3(AlSi3O10)(OH)5Mon. 2/m : B2/m
9.EC.60KulkeiteMg8Al(AlSi7O20)(OH)10Mon.
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(32/m) : P31m
9.EC.75Niksergievite(Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2OMon.
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. 2 : P21
9.EC.80KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.

Fluorescence of PimeliteHide

Not fluorescent

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.

Internet Links for PimeliteHide

References for PimeliteHide

Reference List:
Colin, F., Nahon, Daniel, Trescases, Jean-Jacques, Melfi, A. J. (1990) Lateritic weathering of pyroxenites at Niquelandia, Goias, Brazil; the supergene behavior of nickel. Economic Geology, 85 (5) 1010-1023 doi:10.2113/gsecongeo.85.5.1010[Studies not actually performed on "pimelite." This study used the false assumption that their specimens were "true" pimelite, simply because the mineral was waxy and green.]

Localities for PimeliteHide

Showing 44 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Piauí
    • Capitão Gervásio de Oliveira
Dybowska et al. (2022)
Colombia
 
  • Córdoba Department
    • Montelíbano
Econ Geol (2004) +1 other reference
Czech Republic
 
  • South Bohemian Region
    • Český Krumlov District
Čech
  • Vysočina Region
    • Žďár nad Sázavou District
Pelíšek
Dominican Republic
 
  • Monseñor Nouel Province
    • Bonao
Villanova-de-Benavent et al. (2014)
France
 
  • New Caledonia
    • Northern Province
      • Houaïlou
Berger et al. (2011) +1 other reference
      • Koné
Cathelineau et al. (2023)
Cathelineau et al. (2023)
      • Kouaoua
Manceau et al. (1985)
      • Pouembout
Berger et al. (2011) +1 other reference
      • Poum
Berger et al. (2011) +1 other reference
      • Poya North
Gaines et al. (1997)
      • Voh
Cathelineau et al. (2024)
    • Southern Province
      • Yaté
Vale SA
Indonesia
 
  • South Sulawesi Province
    • East Luwu Regency
      • Sorowako
Sufriadin et al. (2012)
Vale SA
Kazakhstan
 
  • Karaganda Region
    • Karkaraly
Gaines et al. (1997)
Morocco
 
  • Drâa-Tafilalet Region
    • Zagora Province
      • Agdz Cercle
        • Tansifte Caïdat
Eur. J. Mineral.
Poland
 
  • Lower Silesian Voivodeship
    • Dzierżoniów County
      • Gmina Niemcza
        • Gilów
Gil et al. (2022)
    • Kłodzko County
      • Nowa Ruda
Lis et al. (1986)
    • Świdnica County
      • Gmina Marcinowice
        • Wirki
Harańczyk C. (1974)
Czeslaw Haranczyk and Karol Prchazka (1974)
    • Ząbkowice Śląskie County
      • Gmina Bardo
Lis et al. (1986)
      • Gmina Ciepłowody
www.webmineral.com/data/Pimelite.shtml
      • Gmina Ząbkowice Śląskie
Lis et al. (1986)
Spangenberg et al. (1949)
Spangenberg et al. (1949)
Kaczan et al. (2021)
South Korea
 
  • Gyeonggi Province
    • Gwacheon City
Song et al. (1995)
Song et al. (1995)
Spain
 
  • Andalusia
    • Málaga
      • Álora
Romero Silva (2003)
      • Carratraca
        • Los Jarales
Romero Silva (2003)
Romero Silva (2003)
      • Mijas
Romero Silva (2003)
      • Ojén
        • Ojén lherzolite massif
Romero Silva (2003)
USA
 
  • New Jersey
    • Sussex County
      • Franklin
        • Franklin Mine
Dunn (1995)
    • Jackson County
      • Webster-Balsam
Wilson et al. (1978)
    • Yancey County
      • Day Book
Wilson et al. (1978)
  • Oregon
    • Douglas County
Gaines et al. (1997)
  • Pennsylvania
    • Lancaster County
      • Little Britain Township
        • Texas
Gaines et al. (1997)
  • Vermont
    • Windham County
Morrill & Chaffee
Rocks & Min. Vol. 71 (1996)
Venezuela
 
  • Aragua
    • Santos Michelena
Domènech et al. (2020) +1 other reference
 
and/or  
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