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About Clino-suenoiteHide

Classification of Clino-suenoiteHide

Approval Year:
First Published:

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles

Optical Data of Clino-suenoiteHide

Biaxial (+)
RI values:
nα = 1.632(2) nβ = 1.644(2) nγ = 1.664(2)
Measured: 78° (2), Calculated: 76.3°
Max Birefringence:
δ = 0.032
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of Clino-suenoiteHide

IMA Formula:

Crystallography of Clino-suenoiteHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 9.6128(11) Å, b = 18.073(2) Å, c = 5.3073(6) Å
β = 102.825(2)°
a:b:c = 0.532 : 1 : 0.294
Unit Cell V:
899.1 ų

X-Ray Powder DiffractionHide

Powder Diffraction Data:
From Type Description.

Type Occurrence of Clino-suenoiteHide

Place of Conservation of Type Material:
Type material is deposited in the collections of Museo di Mineralogia, Dipartimento di Scienze della Terra e dell’Ambiente, Università di Pavia, catalogue number 2016-01
Geological Setting of Type Material:
Mn-rich quartzite erratics.
Associated Minerals at Type Locality:
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E., Revheim, O., Bracco, R. (2017) Clino-suenoite, a newly approved magnesium-iron-manganese amphibole from Valmalenco, Sondrio, Italy. Mineralogical Magazine: 82, 189-198.

Synonyms of Clino-suenoiteHide

Other Language Names for Clino-suenoiteHide

Relationship of Clino-suenoite to other SpeciesHide

Other Members of this group:

Related Minerals - Nickel-Strunz GroupingHide

9.DE.05Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2Orth. mmm (2/m 2/m 2/m) : Pnma
9.DE.05Clino-holmquistite Root Name☐{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2Mon.
9.DE.05Grunerite☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Ferro-fluoro-pedrizite{Na}{Li2}{Fe2Al2Li}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.05Ferri-fluoro-leakeite{Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-tschermakite☐{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Tschermakite☐(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10Parvo-manganotremolite☐{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-tremolite☐{Ca2}{Mg5}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Potassic-fluoro-pargasite{K}{Ca2}{Mg4Al}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.15Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2 Mon.
9.DE.15Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2Mon. 2/m : P2/m
9.DE.15Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.15Potassic-fluoro-hastingsite{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(F,OH)2Mon. 2/m : B2/m
9.DE.15Potassic-chloro-hastingsite{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(Cl,OH)2Mon. 2/m : B2/m
9.DE.15Fluoro-pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(F,OH)2Mon. 2/m : B2/m
9.DE.15Parvo-mangano-edenite{Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-magnesio-hastingsite{K}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-pargasite{K}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.15Chromio-pargasite{Na}{Ca2}{Mg4Cr3+}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-ferri-katophoriteNa(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-barroisite☐{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-winchite ☐{CaNa}{Fe2+4Al}(Si8O22)(OH)2Mon.
9.DE.20Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Winchite☐{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m
9.DE.20Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m
9.DE.20Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-ghoseite☐[Mn2+Na][Mg4Fe3+]Si8O22(OH)2Mon. 2/m
9.DE.20Ferri-winchite☐[CaNa][Mg4(Fe3+,Al)]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.25Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25EckermanniteNaNa2(Mg4Al}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25NybøiteNaNa2(Mg3Al2)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-nybøiteNaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Clino-ferro-ferri-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-ferri-leakeite[K][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Fluoro-nybøiteNaNa2(Mg3Al2)(AlSi7O22)(F,OH)2Mon. 2/m : B2/m
9.DE.25Mangani-dellaventuraite{Na}{Na2}{MgMn3+2LiTi4+}Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-pedriziteNaLi2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Potassic-arfvedsonite[(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangani-obertiiteNa(Na2)(Mg3Mn3+Ti)(Si8O22)O2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-pedrizite[Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-magnesio-arfvedsonite[K][Na2][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25PedriziteNaLi2(LiMg2Al2)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-pedriziteNaLi2(Fe2+2Al2Li)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Fluoro-leakeiteNaNa2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-obertiiteNaNa2(Fe2+3Fe3+Ti)Si8O22O2Mon. 2/m : B2/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.

References for Clino-suenoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E., Revheim, O. and Bracco, R. (2017) Clino-suenoite, IMA 2016-111. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine: 81: 403–409.
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E., Revheim, O., Bracco, R. (2017) Clino-suenoite, a newly approved magnesium-iron-manganese amphibole from Valmalenco, Sondrio, Italy. Mineralogical Magazine: 82, 189-198.

Internet Links for Clino-suenoiteHide

Localities for Clino-suenoiteHide

ⓘ - 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.
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
  • Salzburg
    • Lungau
      • Taurach valley
Kolitsch, U., Schachinger, T. and Bernhard, F. (2015): Ardennite-(As), ardennite-(V), gasparite-(Ce) and chernovite-(Y): first results of a mineralogical study of the metaradiolarite-hosted manganese ore mineralisations in the Fuchssee area, Radstadt Tauern, Salzburg, Austria. MinPet 2015, Leoben, Austria, September 10-13; abstract in Mitt. Österr. Mineral. Ges. 161, 67.
  • Styria
    • Köflach
      • Voitsberg
        • Kleinwöllmiß
Bernhard, F. (2011)
    • Koralpe
      • Deutschlandsberg
        • Glashütten
quantitative SEM-EDS on polished section, Franz Bernhard, 2007
      • Soboth
        • Untersoboth
Bernhard, F. (2009)
    • Neumarkt
      • Dürnstein
quantitative SEM-EDS on polished section, Franz Bernhard, 2007
  • Tyrol
    • East Tyrol
      • Virgen valley
        • Prägraten
          • Timmelbach valley
Kolitsch, U., Schachinger, T., Auer, C. (2017): 2026) Albit, Amphibol, Bementit(?), Braunit, ein Mn-Chlorit, As-haltiger Fluorapatit, Galaxit, Hämatit, Hübnerit, Iwakiit(?), Jakobsit, Kalifeldspat, Kutnahorit, Långbanit, Manganoxide, Nickelskutterudit, Pyrophanit, Quarz, Rhodochrosit, Rhodonit, Safflorit, Sarkinit, Sonolith, Spessartin, Tephroit, Uraninit und Zirkon aus Manganvererzungen von der Wunwand (Wunspitze) bei Prägraten, Osttirol. Pp. 241-246 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284; Kolitsch, U. & Schachinger, T. (2018): 2077) Cummingtonit und Clino-suenoit (ehemals „Manganocummingtonit“) von der Wunwand (Wunspitze) bei Prägraten, Osttirol. Pp. 213-214 in Walter, F. et al. (2018): Neue Mineralfunde aus Österreich LXVII. Carinthia II, 208./128., 185-254.
    • North Tyrol
      • Sill valley (Wipp valley)
        • Obernberg valley
Kolitsch, U., Schachinger, T. & Auer, C. (2018): 2076) Aegirin, Aegirin-Augit, Albit, Baddeleyit, Baryt, Brandtit(?), Braunit, Calcit, Canosioit, Clinosuenoit (ehemals „Manganocummingtonit“), Coelestin, Diaspor, Dolomit, Fluorapatit (As-haltig), Fluorcalcioroméit, Gamagarit, Hämatit, Hausmannit, Hjalmarit, Hollandit, Hydroxycalcioroméit, Klinochlor, Kutnohorit, Mischkristalle Manganiandrosit-(La) - Manganiakasakait-(La), Nambulit, Phlogopit, Piemontit, Pyrobelonit, Sb-haltiger Pyrophanit, Quarz, Ranciéit(?), Rhodochrosit, Rhodonit, Richterit, Rutil, Spessartin, Talk, Thorit, Tremolit, Tilasit, Titanit, Tokyoit, Wakefieldit-(Ce), Wakefieldit-(Y), Zirkon, das Sb-Analogon von Hydroxymanganopyrochlor und unbenanntes LaAsO4 vom Obernberger Tribulaun, Nordtirol - ein erster Bericht über mineralogisch komplexe, linsenförmige metamorphe Manganvererzungen. Pp. 206-213 in Walter, F. et al. (2018): Neue Mineralfunde aus Österreich LXVII. Carinthia II, 208./128., 185-254.
  • Minas Gerais
    • Conselheiro Lafaiete
M. A. F. Candia (1979) The Lafaiete Formation at Morro da Mina, Lafaiete District, Minas Gerais: Metamorfic Aspects. BoI. IG, V.10: 19-30.
  • Smolyan Oblast
    • Madan ore field
      • Septemvri mine (Deveti Septemvri mine)
Vassileva, Rossitza D. , Bonev Ivan K. (2001):Manganoan amphiboles from the skarn-ore Pb-Zn deposits in the Madan district, Central Rhodopes, Bulgaria. Bulgarian Academy of Sciences. Geochemistry, Mineralogy and Petrology, Vol 38, pp 45-58; A. Piestrzynski (2001) Mineral Deposits at the Beginning of the 21st Century. pp 925-928
  • Newfoundland and Labrador
    • Labrador
Canadian Mineralogist 7, 738
  • Hunan Province
    • Yiyang Prefecture
      • Heshan District
Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
  • Jiangxi Province
    • Jingdezhen Prefecture
      • Leping Co.
Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
  • Liaoning Province (Manchuria; Dongbei Region)
    • Huludao Prefecture
      • Jianchang Co.
        • Bajiazi Zn-Pb-Ag deposit
Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
Yiming Zhao, Yongguan Dong, Daxin Li, and Chengsi Bi (2003): Ore Geology Reviews 23, 153-182.
  • Shaanxi Province
    • Ankang Prefecture
      • Ziyang Co.
Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
    • Hanzhong Prefecture
      • Xixiang Co.
Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
      • Zhenba Co.
Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
  • Sichuan Province
    • Dazhou Prefecture
      • Wanyuan Co.
Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
Pingyi Wan (2002): China's Manganese Industry 20(3), 1-6
    • Mianyang Prefecture
      • Pingwu Co.
        • Mt Xuebaoding
          • Huya township
Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
      • Youxian District
Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
  • Yunnan
    • Honghe Autonomous Prefecture
      • Jianshui Co.
Jiuling Zhang (1982): Geology and Prospecting 18(2), 26-40
  • Western and Inner Finland Region
    • Seinäjoki
Mancini, F., Alviola, R., Marshall, B., Satoh, H., & Papunen, H. (2000). The manganese silicate rocks of the early Proterozoic Vittinki group, southwestern Finland: Metamorphic grade and genetic interpretations. The Canadian Mineralogist, 38(5), 1103-1124.
Heikkilä, Pasi 2003. Vittinki-ryhmän metaserttien geologia ja mineralogia Etelä-Pohjanmaalla. Pro gradu, matemaattis-luonnontieteellinen tiedekunta, Geologian laitos. Helsingin Yliopisto.
  • Karnataka
    • Kolar District
      • Kolar Gold Fields
Anantha Iyer, G.V. and Narayanan Kutty, T.R. (1975) Curr. Sci., 44, #11, 371-373.
  • Madhya Pradesh
    • Balaghat District
      • Tirodi
Dunn & Roy (1938); Am.Min.: 25: 380 (1940); Canadian Mineralogist: 15:309 (1977).
  • Aosta Valley
    • Valtournanche Valley
      • Valtournanche
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
  • Liguria
    • Genova Province
      • Genova
        • Varenna Valley
Balestra C. (2014): Sistematica ligure 2014. Prie, 10, 35-37; Munì F. (2014): Caratterizzazione mineralogica e minerochimica delle quarziti manganesifere della Val Varenna (Liguria). Università degli Studi di Genova. Scuola di Scienze Matematiche, Fisiche e Naturali. Tesi di laurea triennale in Scienze Geologiche, 70 pp.
  • Lombardy
    • Sondrio Province
      • Valtellina
Lapis, 19 (10), 15-21+86.
          • Lanterna Valley
            • Lanzada
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E., Revheim, O. and Bracco, R. (2017) Clino-suenoite, IMA 2016-111. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine: 81: 403–409.
  • Piedmont
    • Torino Province
      • Lanzo Valleys
        • Tesso Valley
          • Monastero di Lanzo
            • Chiaves
Ambrino, P., Ciriotti, M.E., Blass, G., Airaudi, D. (2010): Primo ritrovamento di caryopilite e kutnohorite in Piemonte: Croce di Chiaves, Ceres, Torino. Micro (UK report) 1/2010, 134-141
  • Tuscany
    • Lucca Province
      • Apuan Alps
Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191
    • Massa-Carrara Province
      • Apuan Alps
        • Fivizzano
Mancini, S. (2000). Le mineralizzazioni a manganese delle Alpi Apuane. Tesi di laurea inedita, Università di Pisa.
  • Honshu Island
    • Chubu Region
      • Aichi Prefecture
        • Kita-Shidara-gun
          • Shidara-cho
Yamada collection (Crystal World, Japan); in other japanese collections as "Tirodite" (probably manganocummingtonite).
    • Kanto Region
      • Ibaraki Prefecture
        • Kasama City
          • Iwama
Nishikubo collection
    • Tohoku Region
      • Iwate Prefecture
        • Kunohe-gun
          • Noda-mura
Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
        • Shimohei-gun
          • Yamada-machi
Nambu, Matsuo., Tanida, Katsutoshi., Kitamura, Tsuyoshi: (1980): Chemical Composition of Manganese Bearing Amphibole from Japan and its Classification. Journal of the Mineralogical Society of Japan, Vol 14, pp 98-122
  • Kyushu Region
    • Miyazaki Prefecture
      • Hinokage-cho
Fuzimoto, M. (2006): Manganese minerals from manganese mines, Takachiho district, Miyazaki Prefecture. Part 1. Shimozuru Mine. Chigaku Kenkyu 54, 213-221. (in Japanese)
  • Otjozondjupa Region
    • Omatako
Lapis 33 (11), 12.
  • Sverdlovsk Oblast
    • Ekaterinburg (Sverdlovsk)
      • Kurganovo
Brusnitsyn A.I. (2000) Rhodonite deposits of Middle Ural, - S.-Peterburg Univercity press, p. 200 (in Rus.).
      • Sedel'nikovo
Brusnitsyn A.I. (2000) Rhodonite deposits of Middle Ural, - S.-Peterburg Univercity press, p. 200 (in Rus.).
  • Košice Region
    • Gelnica Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
  • Catalonia
    • Tarragona
      • Priorat
        • El Molar
Mineralogistes de Catalunya, vol. III num. 5
  • Dalarna
    • Hedemora
      • Garpenberg
Canadian Mineralogist (2001) 39 (6), 1675-1683; American Mineralogist, Volume 88, pages 251–255, 2003
  • Södermanland
    • Haninge
      • Utö
Len Pisciotta photo & specimen ( analysis by Attard XRD Services)
  • Uppland
    • Östhammar
      • Dannemora
Åberg, F. (2015) Mineralogical Study of Manganese Bearing Skarn Minerals and Manganese Content in Magnetite in the Dannemora Skarn Iron Ore Deposit. Department of Earth Sciences, Uppsala University
  • Grischun (Grisons; Graubünden)
    • Hinterrhein Valley
      • Rheinwald
        • Splügen
Roth, P. & Meisser, N. (2011): I minerali dell'Alpe Tanatz. Passo dello Spluga (Grigioni, Svizzera). Rivista Mineralogica Italiana, 2/2011, 90-99
  • 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)
United Arab Emirates
  • Fujayrah Emirate (Fujairah)
    • Semail Ophiolite
      • Khawr Fakkan Massif (Khor Fakkan)
        • Bani Hamid area
Edwin Gnos, Thomas Armbruster, Daniel Nyfeler(1996): Kanoite,donpeacorite and tirodite:Mn-Mg-silicates from a manganiferous quartzite in the United Arab Emirates, European Journal of Mineralogi vol 8, pp. 251-261.
  • California
    • Kern Co.
      • Rand Mts
        • Rand District (Randsburg District)
          • Government Peak
Hewett, Donnel Foster, Charles Wesley Chesterman & Bennie Wyatt Troxel (1961), Tephroite in California manganese deposits: Economic Geology: 56: 54; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 395.
  • Maine
    • Waldo Co.
Anderson, 1991. Maine Mineral Localities, 2nd ed.
  • Michigan
    • Marquette Co.
      • Marquette iron range
        • Champion
Mineralogy of Michigan (2004) Heinrich & Robinson
  • New Jersey
    • Sussex Co.
      • Franklin mining district
Pete J. Dunn(1995): Franklin and Sterling Hill, New Jersey: the world’s most magnificent mineral deposits
Klein, C. Jr. & Ito, J.: Am.Min.:53:1264-1275 (1968); Dunn, P.J. & Peacor, D.R.: Mineralogical Magazine: 48:271-275 (1984); Dunn(1995):Pt3:458-459.
        • Ogdensburg
Pete J. Dunn(1995): Franklin and Sterling Hill, New Jersey: the world’s most magnificent mineral deposits
  • New York
      • Balmat-Edwards Zinc District
        • Balmat
Peterson, E.U., Anovitz, L.M., Essene, E.J. (1984) Donpeacorite, (Mn,Mg)MgSi2O6 a new orthopyroxene and its proposed phase relations in the system MnSiO3-MgSiO3-FeSiO3. American Mineralogist: 69: 472-480.
      • Talcville
George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483; analysis by Hawkins at the NY State Museum; Ghose,S. and Hexiong, Y (1989): Mn-Mg distribution in a C2/m manganoan cummingtonite: Crystal-chemical considerations. American Mineralogist, 74, 1091-1096.
  • North Carolina
    • Alleghany Co.
      • Sparta
        • Bald Knob
Winter,A.Gary,Essene,J.Eric,and Pecor.R.Donald,1981,Carbonates and pyroxenoids from the manganese deposit near Bald Knob,North Carolina. America Mineralogist,Vol66,pg.278-289,1981,pg#279
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