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Epidote Supergroup

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Formula:
A2 M3(Si2O7)(SiO4)O(OH)
Name:
After the principal member of the group.
A group of monoclinic sorosilicates with the general formula given above.
Earlier named "Epidote Group", but according to the standardisation of mineral group hierarchies (Mills et al. 2009), it was renamed Epidote Supergroup.

A sites (A1, A2): large, high-coordination cations such as Ca, Mn2+, Sr or large REE3+.
M sites (M1, M2, M3): octahedrally-coordinated, trivalent (occasionally divalent) cations such as Al3+, Fe3+, Mn3+, Fe2+ and Mg2+.
The detailed structural formula is {A1A2}{M1M2M3}(Si2O7)(SiO4)O(OH).

NOTE: Significant CNMMN-approved changes to the nomenclature and content of this group, with the establishment of three new subgroups were published in 2006 (European Journal of Mineralogy, 18, 551-567). The nomenclature is based on the occupancy of the five A and M sites.


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Classification of Epidote SupergroupHide

Approved
Notes:
Group Name

Chemical Properties of Epidote SupergroupHide

Formula:
A2 M3(Si2O7)(SiO4)O(OH)

Synonyms of Epidote SupergroupHide

Other Language Names for Epidote SupergroupHide

Relationship of Epidote Supergroup to other SpeciesHide

Group Members:
Allanite Group {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
  Allanite-(Ce) {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Allanite-(La) {CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Allanite-(Nd) {CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Allanite-(Y) {CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon.
  Androsite-(Ce) {Mn2+REE}{AlAlMn2+}(SiO4)(Si2O7)O(OH)
  Dissakisite-(Ce) {CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Dissakisite-(La) {CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Ferriakasakaite-(La) {CaLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Ferriallanite-(Ce) {CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Ferriallanite-(La) {CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Ferriandrosite-(Ce) {Mn2+REE}{Fe3+AlMn2+}(SiO4)(Si2O7)O(OH)
  Ferriandrosite-(La) {MnLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Manganiakasakaite-(La) CaLaMn3+AlMn2+(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Manganiandrosite-(Ce) {Mn2+Ce}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Manganiandrosite-(La) {Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon.
  Uedaite-(Ce) {Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  UM1989-32-SiO:AlCaFeHREE (Ca0.50.5)(Ce,La,Nd)Fe3+Al2(Si2O7)(SiO4)O(OH)
  Unnamed (Ce- and Mn-analogue of Ferriakasakaite-(La)) {Ca,(Ce,La,Nd),Mn2+}2(Mn3+,Fe3+,Al)Al(Mn2+,Mg)(Si2O7)(SiO4)O(OH)
  Unnamed (Mg-analogue of Ferriallanite-(Ce)) {CaCe}{(Fe3+,Al)Al(Mg,Fe2+)}(Si2O7)(SiO4)O(OH)
  Unnamed (Mn-analogue of Ferriallanite-(Ce)) {CaCe}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
  Vanadoallanite-(La) {CaLa}{V3+AlFe2+}(Si2O7)(SiO4)O(OH) Mon. 2/m : P21/m
  Vanadoandrosite-(Ce) {Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Åskagenite Group 
  Åskagenite-(Nd) {Mn2+Nd}{Al2Fe3+}(Si2O7)(SiO4)O2Mon. 2/m : P21/m
Clinozoisite Group 
  Clinozoisite {Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Epidote {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
    Unnamed (Ga-dominant member of the epidote group) {Ca2}{Al2(Ga,Fe)}(Si2O7)(SiO4)O(OH)
  Epidote-(Sr) {CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Hancockite {CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon.
  Mukhinite {Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH)Mon.
  Niigataite {CaSr}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m
  Piemontite {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
  Piemontite-(Pb) {CaPb}{Al2Mn3+}(Si2O7)(SiO4)O(OH) Mon. 2/m : P21/m
  Piemontite-(Sr) {CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon.
  Tweddillite {CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Dollaseite Group 
  Dollaseite-(Ce) {CaCe}{MgAlMg}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m
  Khristovite-(Ce) {CaCe}{MgAlMn2+}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m

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.

Epidote Supergroup in petrologyHide

References for Epidote SupergroupHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Peacor, D.R., Dunn, P.J. (1988) Dollaseite-(Ce)(magnesium orthite redefined): structure refinement and implications for F + M 2+ substitution in epidote-group minerals. American Mineralogist: 73: 838-842.
Gieré, R., Sorensen, S.S. (2004) Allanite and other REE-rich epidote-group minerals. In: Epidotes (A. Liebscher & G. Franz, editors). Reviews in Mineralogy and Geochemistry: 56: 431-493.
Grapes, R.H., Hoskin, W.O. (2004) Epidote Group Minerals in Low-Medium Pressure Metamorphic Terranes. Reviews in Mineralogy and Geochemistry: 56(1): 301-345.
Anthony, Edna B., Let's Talk Gemstones, Uncommon Sorosilicate Gemstones, part 3: The Epidote Group. The New Mexico Facetor.
Armbruster, T., Bonazzi, P., Akasaka, M., Bermanec, V., Chopin, C., Gieré R., Heuss-Assbichler, S., Liebscher, A., Menchetti, S., Pan, Y., Pasero, M. (2006) Recommended nomenclature of epidote-group minerals. European Journal of Mineralogy: 18: 551-567.
Mills, S.J., Hatert, F., Nickel, E.H., Ferraris, G. (2009) The standardisation of mineral group hierarchies: application to recent nomenclature proposals. European Journal of Mineralogy: 21: 1073–1080

Internet Links for Epidote SupergroupHide

Significant localities for Epidote SupergroupHide

Showing 63 significant localities out of 11,665 recorded on mindat.org.

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.
Antarctica
 
  • Eastern Antarctica
    • Queen Maud Land (Dronning Maud Land)
      • Sør Rondane Mts
[Dissakisite-(Ce)] Grew et al (1991), American Mineralogist: 76: 1990-1997.
Austria
 
  • Carinthia
    • Saualpe
      • Ladinger Spitze - Speikkogel area
[Epidote] G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Salzburg
    • Hohe Tauern
      • Untersulzbach valley
        • Knappenwand area
[Epidote] A. Strasser: Die Minerale Salzburgs, 1989
  • Styria
    • Peggau
      • Semriach
[Allanite-(Ce)] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Tyrol
    • East Tyrol
      • Virgen Valley
        • Prägraten
[Clinozoisite] E. Weinschenk: "Die Mineralvorkommen des Großvenedigerstockes in den Hohen Tauern", Zeitschr. Krist. 26, 337-508 (1896)
Belgium
 
  • Walloon Brabant Province
    • Rebecq
      • Quenast
[Epidote] Hatert, F., Deliens, M., Fransolet, A.-M. & van der Meersche, E. (2002): Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Ed., 304 p.
Canada
 
  • Québec
    • Mauricie
      • Mékinac RCM
[Allanite-(Ce)] Johnston, 1915
    • Outaouais
      • Pontiac RCM
        • Otter Lake
[Allanite-(Ce)] Leavitt, D.L. (1981). "Minerals of the Yates uranium mine, Pontiac County (Québec)." Mineralogical Record, 12(6),pp:359-363.; M A G Lafontaine (1979) Uranium-Thorium Deposite at the Yates Mine, Huddersfield Township, Quebec. MSc thesis, University of Ottawa.
Ecuador
 
  • Guayas Province
    • Guayaquil Canton
      • Guayaquil
        • Pascuales
          • La Germania
[Epidote] Alejandro Felix Gutierrez
France
 
  • Auvergne-Rhône-Alpes
    • Isère
[Epidote] Haüy (1801a); Raade (1996, p. 33).
  • Occitanie
    • Ariège
      • Luzenac
[Allanite-(Ce)] [Le Cahier des Micromonteurs 1990, 4, p.3,8-12]
    • Hautes-Pyrénées
      • Aure Valley
        • Vielle-Aure
[Vanadoandrosite-(Ce)] Chopin, F., Armbruster, Th., Cenki-Tok, B., Ragu, A. (2006): REE-bearing epidotes in Mn-rich systems: new compounds and fO2 controls. Geophysical Research Abstracts, 8, 08063
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Laach lake volcanic complex
        • Mendig
          • Niedermendig
[Ferriallanite-(La)] Kolitsch, U., Mills, S.J., Miyawaki, R., and Blaß, G. (2011): CNMNC Newsletter 8, 290; Kolitsch, U., Mills, S.J., Miyawaki, R. & Blass, G. (2012): Ferriallanite-(La), a new member of the epidote supergroup from the Eifel, Germany. European Journal of Mineralogy, 24, 741-747.
Greece
 
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
        • Andros Island
          • Vasilikon Mt
[Manganiandrosite-(La)] Bonazzi P., Menchetti S., Reinecke T., 1996. Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece. Amer. Miner., 81: 735-742.
Greenland
 
  • Kujalleq
    • Aluk Island
[Allanite-(Ce)] Petersen, O. V. & Johnsen, O. (2005): Mineral species first described from Greenland. Canadian Mineralogist, Special publication no. 8.
Guatemala
 
  • Quiché Department
    • Joyabaj Municipality
      • Palibatz
[Epidote] USGS Bulletin 1034
Italy
 
  • Aosta Valley
    • Saint-Marcel
[Piemontite] Das Mohs'sche Mineralsystem; 1853 Wien
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
[Piemontite-(Sr)] Redazionale (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia del Ferrania Club, 19 , 3-5.
[Piemontite-(Sr)] Bonazzi, P., Menchetti, S. & Palenzona, A. (1990): Strontiopiemontite, a new member of the epidote group, from Val Graveglia, Liguria, Italy. European Journal of Mineralogy, 2, 519-523.
  • Piedmont
    • Cuneo Province
      • Varaita Valley
        • Bellino
[Manganiakasakaite-(La)] Biagioni, C., Ciriotti, M.E., Bracco, R., Pasero, M. and Zaccarini, F. (2017) Manganiakasakaite-(La), IMA 2017- 028. CNMNC Newsletter No. 38, August 2017, page 1036; Mineralogical Magazine: 81: 1033– 1038.
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Bolzano Province (South Tyrol)
      • Ultimo Valley (Ulten Valley)
[Dissakisite-(La)] Am Min 90:1177-1185
  • Tuscany
    • Lucca Province
      • Apuan Alps
        • Minucciano
          • Gorfigliano
[Allanite-(Ce)] Orlandi P., Dini A., Gemignani E., Pierotti L., Quilici U., Romani U., 2002. Paragenesi alpine nelle Alpi Apuane: I minerali delle vene di quarzo della Valle dell'Acqua Bianca, Gorfigliano (LU) Riv. Mineral. It., 26, 4: 216-223
        • Stazzema
[Piemontite] Battaglia S., Nannoni R., Orlandi P., 1977. La piemontite del Monte Corchia (Alpi Apuane). Atti Soc. Tosc. Sci. Nat., Mem., Serie A, 84: 174-178.
          • Ponte Stazzemese
[Allanite-(La)] Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist, 44: 63-68
[Piemontite] Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa
[Piemontite] Biagioni C., 2004. Le mineralizzazioni manganesifere dei Diaspri Auctt. di Vagli (Alpi Apuane, Lucca). Tesina di Laurea inedita, Università di Pisa.
Japan
 
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
        • Itoigawa City
          • Ohmi
[Niigataite] Miyajima et al. (2003) Journal of Mineralogical and Petrological Sciences, 98, 118-129.
    • Kinki region
      • Mie Prefecture
        • Ise City
          • Shobu
[Vanadoallanite-(La)] Nagashima, M., Nishio-Hamane, D., Tomita, N., Minakawa, T. and Inaba, S. (2013) Vanadoallanite-(La), IMA 2012-095. CNMNC Newsletter No. 16, August 2013, page 2699; Mineralogical Magazine, 77, 2695-2709.
  • Kagawa Prefecture
    • Inland Sea (Setonaikai)
      • Shodoshima (Shodo Island)
[Uedaite-(Ce)] European J. Mineralogy 20, 261-209(2008)
  • Shikoku Island
    • Kochi Prefecture
      • Nankoku city
[Epidote-(Sr)] Journal of Mineralogical and Petrological Sciences 103,400-406(2008)
Kyrgyzstan
 
  • Issyk-Kul'skaya Oblast
    • Inyl'chek Range
      • Muzeinyi Valley
[Khristovite-(Ce)] ZVMO,(1993) 122, n3, 103-111; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mexico
 
  • Baja California (Baja California Norte; BC Norte)
    • Mun. de Ensenada
      • San Fernando
[Epidote] Peninsular Range Collection - Curtis Wilbur, owner
  • Oaxaca
    • Mun. de San Francisco Telixtlahuaca
      • San Francisco Telixtlahuaca
[Allanite-(Ce)] Panczner(1987): 88. Cortez, Ernesto Manjarrez,.(1981): Estudio geologico y radiometrico de la Mina "El Moerto", Edo de Oaxaca. Tesis que para obtener el titulo de: Ingeniero Geologo. Instituto Politecnico Nacional, Mexico
  • Sonora
    • Mun. de Álamos
      • Álamos
[Clinozoisite] Panczner, William D. "Minerals of Mexico." New York: Van Nostrand Reinhold 1987. pg 165---(RO Meyer collection, specimen number E024-002)
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
      • Khaldzan Buragtag Massif
        • Mount Ulyn Khuren
[Ferriallanite-(Ce)] P. Kartashov et al. (2002) Can. Mineral. 40, 1641-1648
Pakistan
 
  • Gilgit-Baltistan (Northern Areas)
    • Baltistan
      • Skardu District
        • Haramosh Mts.
[Epidote] [www.johnbetts-fineminerals.com]
Republic of Macedonia
 
  • Prilep
    • Čanište
[Epidote] Bermanec, V., Palinkas, L., Strmić Palinkas, S., Gault, R., Boev, B., & Zebec, V. (2001). Mineralogy of pegmatite with giant epidote crystals, near Chanishte, Macedonia. in Mineral Deposits at the Beginning of the 21st Century, Piestrzyf1ski at al (ads), pp 939-942.; Palinkaš, S. S., Bermanec, V., Palinkaš, L. A., Boev, B., Gault, R. A., Prochaska, W., & Bakker, R. J. (2012). The evolution of the Čanište epidote-bearing pegmatite, Republic of Macedonia: evidence from mineralogical and geochemical features. Geologia Croatica, 65(3), 423-434.
  • Veles
    • Nežilovo
      • Jakupica Mts
        • Babuna Valley
[Piemontite-(Pb)] Chukanov, N. V., Varlamov, D. A., Nestola, F., Belakovskiy, D. I., Goettlicher, J., Britvin, S. N., ... & Jancev, S. (2012). Piemontite-(Pb), CaPbAl2Mn3+ [Si2O7][SiO4] O (OH), a new mineral species of the epidote supergroup. Neues Jahrbuch für Mineralogie-Abhandlungen: Journal of Mineralogy and Geochemistry, 189(3), 275-286
Réunion Island
 
  • Piton des Neiges Massif
    • Cirque de Cilaos
      • Cilaos
[Epidote] Serge Lavarde collection
[Epidote] Serge Lavarde collection
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Vitim Plateau
          • Biraya and Bya Rivers confluence area (Chara Basin)
            • Biraya Fe-REE ore occurrence
[Ferriallanite-(Ce)] Pavel M. Kartashov analytical data (1999)
  • Western-Siberian Region
    • Kemerovskaya Oblast'
      • Gornaya Shoria Region
        • Tashelga River
[Mukhinite] Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
South Africa
 
  • Northern Cape Province
    • Kalahari manganese field
      • Hotazel
[Tweddillite] Mineralogical Magazine(2002) 66, 137-150; Lapis 2002(11), 43
Spain
 
  • Asturias
    • Salas
      • Carlés
[Allanite-(Ce)] Calvo, M. & Viñals, J. (2014). Mineralogy of the gold deposit in Carlés, Salas, Asturias, Spain. Mineral Up, 3 (6), 6-32
Sweden
 
  • Värmland
    • Filipstad
      • Nordmark district
        • Jakobsberg ore field
[Piemontite] Holtstam, D. & Norrestam, R. (1993): Lindqvistite Pb2MeFe16O27,a novel hexagonal ferrite mineral from Jakobsberg, Filipstad, Sweden. American Mineralogist. 78, 1304-1312
      • Persberg district
[Åskagenite-(Nd)] Chukanov, N.V., Göttlicher, J., Möckel, S., Sofer, Z., Van, K.V. & Belakovskiy, D.I. (2010): Åskagenite-(Nd) Mn2+NdAl2Fe3+(Si2O7)(SiO4)O2, a new mineral of the epidote supergroup. Novye dannye o mineralakh, 45, 17–22 (in Russian). New data on minerals, 45, 17–22 (in English).
  • Västmanland
    • Norberg
      • Röberg ore field
[Dollaseite-(Ce)] Peacor, D. R. & Dunn, P. J.: (1988): Dollaseite-(Ce) (magnesium orthite redefined): Structure refinement and implications for F + M2+ substitutions in epidote-group minerals. American Mineralogist. 73: 838- 842; Jansson, M. Förekomster med ceriummineral i stråket Möklinta, Norberg, Riddarhyttan och Nora.
UK
 
  • Scotland
    • Strathclyde
[Epidote var: Withamite] C. Hintze: "Handbuch der Mineralogie", Vol. 2 (1897) Hutton, C. Osborne, "On the Nature of Withamite from Glen Coe, Scotland", Mineralogical Magazine, vol. 25, no. 162, p 119 - 125, DOI: 10.1180/minmag.1938.025.162.02, 1938.Zealand, pp 119-125, 1938, online: http://www.minersoc.org/pages/Archive-MM/Volume_25/25-162-119.pdf
USA
 
  • Alaska
    • Prince of Wales-Outer Ketchikan Borough
      • Ketchikan District
        • Prince of Wales Island
[Epidote] Min Rec 35:5 pp383-404, 419-420
  • California
    • Calaveras Co.
      • Valley Springs area
[Epidote] Jake Harper: Field work, 1990 - 2110.
  • Connecticut
    • Hartford Co.
      • Glastonbury
        • South Glastonbury
[Epidote] Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121.
    • Middlesex Co.
      • East Hampton (Chatham)
        • Airline Railroad
[Allanite-(Ce)] Zodac, Peter. (1940): A Chlorophane Occurrence Near East Hampton, Conn. Rocks & Minerals, vol. 15, no. 11, p. 376.; Robinson, George W. and Vandall T. King. (1988), What's New in Minerals? Mineralogical Record: 19(5): 332.; Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough).; Schooner, Richard. (1961): THE MINERALOGY OF CONNECTICUT.
      • Haddam
[Epidote] Rocks & Minerals (1995) 70:396-409; Davis, James W. (1901): The Minerals of Haddam, Conn. Mineral Collector, v. 8, no. 4, pp. 50-54, and no. 5, pp. 65-70.; Foye, Wilbur G. (1922): Mineral localities in the vicinity of Middletown. American Mineralogist v. 7, p. 4-12.
  • Nevada
    • Mineral Co.
      • Hawthorne District (Pamlico District)
[Epidote] MinRec 16:75-80
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
[Hancockite] Frondel, C.: The minerals of Franklin and Sterling Hill - a checklist (1972); Palache(1935):98; Dunn(1995):Pt3:406.
[Hancockite] Penfield, Samuel Lewis and Warren Charles Hyde (1899) Some New Minerals from the Zinc Mines at Franklin, N. J., and Note Concerning the Chemical Composition of Ganomalite, American Journal of Science, third series, v. 8, p. 339-353.
  • Pennsylvania
    • Chester Co.
      • Wallace Township
        • Cornog
[Clinozoisite] Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania. A. Montgomery "The Mineralogy of Pennsylvania 1922-1965" pgs. 44-45"
  • Vermont
    • Orleans & Lamoille Cos.
      • Lowell & Eden
[Clinozoisite] Chidester, A.H., Albee, A.L., and Cady, W.M., (1978). Petrology, structure and genesis of the asbestos-bearing ultramafic rocks of the Belvidere Mountain area in Vermont: U.S. Geologic Survey Professional Paper 1016
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