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Magnesio-riebeckite is defined as a member of the riebeckite group with Mg>Fe2+ in the C2+ position and (OH) in the W position.
Light blue to blue-black.
5 - 5½
Crystal System:
Named in 1957 by Akiho Miashiro for its relationship to riebeckite and its magnesium content.
This page provides mineralogical data about Magnesio-riebeckite.

Hide all sections | Show all sections

Classification of Magnesio-riebeckiteHide

Approved, 'Grandfathered' (first described prior to 1959)

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

14 : Silicates not Containing Aluminum
24 : Silicates of Fe, Mg and alkalis

Physical Properties of Magnesio-riebeckiteHide

Light blue to blue-black.
Pale grey to bluish-grey.
5 - 5½ on Mohs scale
on {110}

Optical Data of Magnesio-riebeckiteHide

Biaxial (-)
RI values:
nα = 1.668 nβ = 1.672 nγ = 1.680
Measured: 75° to 85°, Calculated: 72°
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
r > v or r < v

Chemical Properties of Magnesio-riebeckiteHide


Magnesio-riebeckite is defined as a member of the riebeckite group with Mg>Fe2+ in the C2+ position and (OH) in the W position.
IMA Formula:
Common Impurities:

Crystallography of Magnesio-riebeckiteHide

Crystal System:
Cell Parameters:
a = 9.79 Å, b = 18 Å, c = 5.28 Å
β = 102.85°
a:b:c = 0.544 : 1 : 0.293
Unit Cell V:
907.14 ų (Calculated from Unit Cell)

Type Occurrence of Magnesio-riebeckiteHide

General Appearance of Type Material:
Dark blue, asbestiform fibers up to 1 meter long.
Geological Setting of Type Material:
Veins in slightly metamorphosed sandstone and carbonates associated with evaporites.

Synonyms of Magnesio-riebeckiteHide

Other Language Names for Magnesio-riebeckiteHide

Relationship of Magnesio-riebeckite to other SpeciesHide

Other Members of this group:
Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2Mon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Danburite41 photos of Magnesio-riebeckite associated with Danburite on
Blue Quartz27 photos of Magnesio-riebeckite associated with Blue Quartz on
Quartz5 photos of Magnesio-riebeckite associated with Quartz on
Cleiophane2 photos of Magnesio-riebeckite associated with Cleiophane on
Hendricksite1 photo of Magnesio-riebeckite associated with Hendricksite on
Johninnesite1 photo of Magnesio-riebeckite associated with Johninnesite on
Jacobsite1 photo of Magnesio-riebeckite associated with Jacobsite on

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.05Manganocummingtonite☐{Mn2+2}{Mg5}(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.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.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.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

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.24.2Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2Mon. 2/m : B2/m
14.24.3CeladoniteK(Mg,Fe2+)Fe3+(Si4O10)(OH)2Mon. 2/m : B2/m
14.24.4Roedderite(Na,K)2(Mg,Fe)5Si12O30Hex. 6 m2 : P62c
14.24.6ChayesiteK(Mg,Fe)4FeSi12O30Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc

Other InformationHide

Health Risks:
The asbestiform variety of magnesioriebeckite can cause lung disease when inhaled, as in other species of asbestos minerals.

Magnesio-riebeckite in petrologyHide

An essential component of (items highlighted in red)

References for Magnesio-riebeckiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Whittaker, E.J.W. (1949) The structure of Bolivian crocidolite. Acta Crystallographica: 2: 312.
(1980) Neues Jahrbuch für Mineralogie, Abhandlungen: 139: 308.
Mandarino, J.A. (1998) The Second List of Additions and Corrections to the Glossary of Mineral Species (1995). The Amphibole Group. Mineralogical Record: 29: 169-174.
Hawthorne, F.C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist: 44: 1-21.
Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist: 97: 2031-2048.

Internet Links for Magnesio-riebeckiteHide

Localities for Magnesio-riebeckiteHide

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.
  • Queensland
    • Mount Isa City Shire
Andy Wilde, Alex Otto, John Jory, Colin MacRae, Mark Pownceby, Nick Wilson and Aaron Torpy (2013) Geology and Mineralogy of Uranium Deposits from Mount Isa, Australia: Implications for Albitite Uranium Deposit Models. Minerals, 3(3), 258-283
  • Tasmania
    • Circular Head municipality
      • Corinna-Savage River district
Bottrill & Taheri, 2008, Savage River mine, Unpub. Rept, Mineral Resources Tasmania Trevor H. Green and Anthony R. Spiller(1977):Blue amphibole from Precambrian metabasalts, Savage River, Tasmania. American Mineralogist, Volume 62, pages 164_166.
  • Salzburg
    • Abtenau
      • Seydegg
A. Strasser: Die Minerale Salzburgs (1989)
      • Webing
A. Strasser: Die Minerale Salzburgs (1989)
    • Golling
      • Grabenbach area
A. Strasser: Die Minerale Salzburgs (1989)
A. Strasser: Die Minerale Salzburgs (1989)
      • Grubach
        • Moosegg (Mooseck)
A. Strasser: Die Minerale Salzburgs (1989)
    • 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
    • Bad Aussee
      • Wienern
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Vorarlberg
    • Kloster valley
Meixner, H. (1978): Neue Mineralfunde aus Österreich XXVIII. Carinthia II, 168./88., 81-103.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Homyel' Province (Gomel)
    • Zhitkovitschskii
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; E.P. Shpanov, G.N. Netschelyustov, S.V. Baturin, L.S. Solntseva (1989) Byelorussite-(CelNaMnBarTi,- Si8Or6(F,OH).HrO-A new mineral of the joaquinite group. Zapiski Vses. Mineralog. Obshch., I l8(5), 100- 107 (in Russian).
Bolivia (TL)
  • Cochabamba Department
    • Chapare Province
Whittaker: Acta Crystallographica (1949) [MinRec 32:461]
        • Cristalmayu subdistrict
          • Campovía
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
          • Chocolatal (Rocko Rancho)
            • Minasmayu valley
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
GEOBOL-PNUD, Proyecto Asbesto, March 1977.
          • Cristalmayu
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
Alfredo Petrov, field collected specimens.
Alfredo Petrov collection
            • Capilla Pampa
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
            • Cristalmayu valley
Alfredo Petrov collection
Federico Ahlfeld and Jorge Muñoz Reyes (1955) Las Especies Minerales de Bolivia. 180pp. (Banco Minero de Bolivia)
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
                • Paraje Uno
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as crocidolite")
        • El Palmar subdistrict
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
GEOBOL-PNUD, Proyecto Asbesto, March 1977. (as "crocidolite")
        • Limbo subdistrict
Alfredo Petrov field studies; Federico Ahlfeld and Jorge Muñoz Reyes (1955) Las Especies Minerales de Bolivia. 180pp. (Banco Minero de Bolivia)
Federico Ahlfeld and Jorge Muñoz Reyes (1955) Las Especies Minerales de Bolivia. 180pp. (Banco Minero de Bolivia)
  • British Columbia
    • Omenica Mining Division
      • Pinchi Lake
Ghent, E.D., Stout, M.Z., erdmer, P. (1990) Howieite in blueschists, Pinchi Lake, British Columbia. Canadian Mineralogist, 28, 855-858.
      • Wicheeda Lake
Dalsin, M.L. (2013) The Mineralogy, Geochemistry and Geochronology of the Wicheeda Carbonatite Complex, British Columbia. M.Sc. Thesis, University of British Columbia, Vancouver.
  • Newfoundland and Labrador
    • Labrador
KLEIN, C. (1966): Mineralogy and petrology of the metamorphosed Wabush iron formation, southwest Labrador. Journal of Petrology 7, 246-305.
  • Québec
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
Donald D. Hogarth, and Pierre LaPointe, 1984, Amphibole and pyroxene development in fenite from Cantley, Quebec, Canadian Mineralogist; May 1984; v. 22; no. 2; p. 281-295.
  • Inner Mongolia Autonomous Region
    • Baotou League (Baotou Prefecture)
      • Bayan Obo Mining District
        • Bayan Obo
Smith, M.P. (2006): Lithos 93(1/2), 126-148.
Kuifeng Yang, Hongrui Fan, Fangfang Hu, Xianghui Li, Jianyong Liu, Yonggang Zhao, Shuang Liu, and Kaiyi Wang (2007): Acta Petrologica Sinica 23(5), 1018-1022
          • Dulahala
Yang, X.M., Yang, X.Y., Zheng, Y.F., and Le Bas, M.J. (2003): Mineralogy and Petrology 78, 93-110.
  • Liaoning Province (Manchuria; Dongbei Region)
    • Dandong Prefecture
      • Fengcheng Co.
        • Saima complex
Yiming Zhao and Daxin Li (2003): Mineral Deposits 22(4), 345-359
  • Sichuan Province
    • Liangshan Autonomous Prefecture
      • Mianning Co.
Denghong Wang, Yuchuan Chen, Jue Xu, Jianmin Yang, Chunji Xue, and Shenghao Yan (2000): Acta Geologica Sinica 74(3), 478-484.
  • Tibet Autonomous Region
    • Nagchu Prefecture (Naqu Prefecture)
      • Shuanghu Co.
        • Shuanghu
Kapp, P., Yin, A., Manning, C.E., Murphy, M., Harrison, T.M., Spurlin, M., Lin, D., Xiguang, D., and Cunming, W. (2000): Geology 28(1), 19-22.
  • Xinjiang Autonomous Region
    • Akesu Prefecture (Aksu Prefecture; Aqsu Prefecture)
      • Baicheng Co. (Bay Co.)
Yanling Tang (2005): Non-metallic deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp.
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Thorikos area
Schreiber, F. & Hammer, V.M.F. (2007): Lavrion 2003-2007: Es hat sich einiges getan! Neufunde - Nachsuche - Archäologie. Lapis 32 (4), 32-38; 50.
  • Sterea Hellas Department
    • Évvoia Prefecture
P. Xypolias, I. Iliopoulos, V. Chatzaras, and S. Kokkalas (2012) Subduction- and exhumation-related structures in the Cycladic Blueschists: Insights from south Evia Island (Aegean region, Greece)TECTONICS, VOL. 31, 22pp
  • Karnataka
C. S. Pichamuthu (1950) Soda metasomatism in the ferruginous quartzites of the bababudan hills, Mysore state —Proceedings of the Indian Academy of Sciences, Section A, p 191-193
  • Rajasthan (Rajputana)
    • Udaipur Division
      • Udaipur District
        • Udaipur
Viladkar, S. G. Graphite-bearing dolomite carbonatites in Newania, Western India.
  • Aosta Valley
    • Nus
      • Saint-Barthélemy
• Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122.
  • Lombardy
    • Sondrio Province
      • Valtellina
        • Malenco Valley
          • Lanterna Valley
            • Lanzada
              • Scerscen Valley
Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
  • Piedmont
    • Cuneo Province
      • Maira Valley
        • Canosio
          • Vallone della Valletta
Cámara, F., Ciriotti, M.E., Bittarello, E., Nestola, F., Massimi, F., Radica, F., Costa, E., Benna, P., Piccoli, G.C. (2014): Arsenic-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: I. Grandaite, Sr2Al(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 78, 757-774; Cámara, F., Bittarello, E., Ciriotti, M.E., Nestola, F., Radica, F., Massimi, F., Balestra, C., Bracco, R. (2017): As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: III. Canosioite, Ba2Fe3+(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 81, 305–317.
      • Varaita Valley
        • Bellino
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.
    • Torino Province
      • Canavese District
        • Orco Valley
          • Sparone
ME Ciriotti; Minnigh, L.D. (1978a): Petrological and structural investigations of the Sparone area in the Orco valley (southern Sesia-Lanzo border zone, western Italian Alps). University of Leiden Dissertation, 121 pp.
      • Chisone Valley
        • Pragelato
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.
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.
  • Tuscany
    • Grosseto Province
Azzaro E., Caravani L., Di Sabatino B., Negretti G. (1977): Aspetti petrologici delle rocce verdi del Promontorio Argentario (Toscana). Rend. Soc. Ital. Miner. Petrol., 33, 689-698.
Azzaro E., Caravani L., Di Sabatino B., Negretti G. (1977): Aspetti petrologici delle rocce verdi del Promontorio Argentario (Toscana). Rend. Soc. Ital. Miner. Petrol., 33, 689-698.
Azzaro E., Caravani L., Di Sabatino B., Negretti G. (1977): Aspetti petrologici delle rocce verdi del Promontorio Argentario (Toscana). Rend. Soc. Ital. Miner. Petrol., 33, 689-698.
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
        • Itoigawa City
          • Ohmi
Alfredo Petrov collection
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Hiroaki Tano specimen
  • Shikoku Island
    • Tokushima Prefecture
      • Tokushima City
Miyashiro, A. and Iwasaki, M. (1957) Magnesioriebeckite in crystalline schists of Bizan in Sikoku, Japan. Journal of the Geological Society of Japan, 63, 698.
      • Yoshinogawa City
        • Yamakawa-cho
Petrology exhibit at Stone Fair, Tokushima City, May 2014.
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
Box, S.E., Syusyura, Boris, Hayes, T.S., Taylor, C.D., Zientek, M.L., Hitzman, M.W., Seltmann, Reimer, Chechetkin, Vladimir, Dolgopolova, Alla, Cossette, P.M., and Wallis, J.C., 2012, Sandstone copper assessment of the Chu-Sarysu Basin, Central Kazakhstan: U.S. Geological Survey Scientific Investigations Report 2010–5090–E, 63 p
  • Fianarantsoa Province
    • Amoron'i Mania Region
Royal Museum for Central Africa, Belgium collection Sample # 11342
        • Imorona valley
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
  • Kachin State
    • Mohnyin District (Moe Hnyin District)
      • Hpakant Township (Hpakan; Phakant; Phakan)
        • Hpakant-Tawmaw Jade Tract
          • Hpakant (Hpakan; Phakant; Phakan)
Jing Wang, Guanghai Shi, Jun Wang, Ye Yuan, and Mengchu Yang (2013): Acta Petrologica Sinica 29(4), 1450-1460
  • Otjozondjupa Region
Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia. Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag, Haltern, 368 pp. (in English)
New Zealand
  • South Island
    • West Coast (Westland)
Mineralogical Magazine 1996 60 : 473-482
      • Okuru River
Mineralogical Magazine 1996 60 : 473-482
  • Federally Administered Tribal Areas (FATA)
    • Khyber Agency
Mian, I., & Le Bas, M. J. (1986). Sodic amphiboles in fenites from the Loe Shilman carbonatite complex, NW Pakistan. Mineral Magazine, 50, 187-197.
Republic of Macedonia
  • Struga
    • Ržanovo
Todor Serafimovski, Blažo Boev, Goran Tasev (2012): SOME QUANTITATIVE ASPECTS OF THE MAJOR TYPES OF ORES AT THE RŽANOVO FE-NI LATERITIC DEPOSIT, R. MACEDONIA. Geologica Macedonica, 26, 21–35.
  • Veles
    • Nežilovo
      • Jakupica Mts
        • Babuna Valley
Chukanov, Nikita V., Jančev, Simeon., Pekov, Igor V. (2015): The association of Oxygen-bearing minerals of the chalcophile elements in the orogenetic zone related to the “mixed series” complex near Nežilovo, Republic of Macedonia. Macedonian Journal of Chemistry and Chemical Engineering, Vol. 34, No. 1, pp. 115–124
  • Harghita Co.
Pál-Molnár (2000)
    • Gheorgheni
Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Vitim Plateau
          • Biraya and Bya Rivers confluence area (Chara Basin)
            • Biraya Fe-REE ore occurrence
Pavel M. Kartashov data
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
Konopleva, N.G., Ivanyuk, G.Y., Pakhomovsky, Y.A., Yakovenchuk, V.N., Men’shikov, Y.P., and Korchak, Y.A. (2008): Geology of Ore Deposits 50(8), 720-731.
  • Andalusia
    • Málaga
      • Antequera
(alleged by some collectors to colour the quartz blue, but might be mistaken ID; no analyses presented); Romero Silva, J.C (2003). Minerales y Rocas de la Provincia de Málaga. CEDMA County Council 318 pp 1 map
  • Valencian Community
    • Castellón
      • Altura
Adrian Pesudo collection
  • Småland
    • Jönköping
      • Gränna
  • Grischun (Grisons; Graubünden)
    • Bregaglia Valley (Bergell)
      • Vicosoprano
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 64
    • Engadin
      • Maloja
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 349.
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 64
      • Sils im Engadin
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 350.
    • Hinterrhein Valley
      • Ferrera Valley
        • Ausserferrera
Brugger, J. (1996): The Fe, Mn, (V, Sb, As, Be, W) deposits of Val Ferrera (Graubünden, Switzerland). Unpublished PhD Thesis, Univ. Basel., 188 p.; Brugger, J., Berlepsch, P. (1997) Johninnesite Na2(Mn)9(Mn,Mg)7(AsO4)2(Si6O17)2(OH)8: a new occurrence in Val Ferrera (Graubünden, Switzerland): Schweiz. Mineral. Petrogr. Mitt., 77, 449-455.
  • Wallis (Valais)
    • Brig
      • Simplon pass area
        • Rosswald
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 264-265.
  • Dnipropetrovs'k Oblast' (Dnepropetrovsk Oblast')
Roberto Bosi collection
  • California
    • Mendocino Co.
      • Coastal Range
        • Laytonville
Onucki, H. and Ernst, W.G. (1969) Coexisting sodic amphiboles and sodic pyroxenes from blueschist facies metamorphic rocks. Mineralogical Association of America Special Paper 2: 244; Pemberton, H. Earl (1983), Minerals of California: 403.
    • Sonoma Co.
Peter Cristofono
  • Colorado
    • Fremont Co.
      • Gem Park complex
"Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997
  • Michigan
    • Marquette Co.
      • Marquette iron range
        • Palmer
Mineralogy of Michigan (2004) Heinrich & Robinson
  • Minnesota
    • Crow Wing Co.
      • Cuyuna North Range
McSwiggen, P. L., Morey, G. B., & Cleland, J. M. (1994). Occurrence and genetic implications of hyalophane in manganese-rich iron-formation, Cuyuna Iron Range, Minnesota, USA. Mineralogical Magazine, 58(392), 387-400.
  • Montana
    • Lincoln Co.
      • Libby District (Snowshoe District)
        • Libby
American Mineralogist, Volume 88, pages 1955–1969, 2003; Lowers, H.A., Wilson, S.A., Hoefen, T.M., Benzel, W.M., and Meeker, G.P., 2012, Preparation and characterization of “Libby Amphibole” toxicological testing material: U.S. Geological Survey Open-File Report 2012–1012, 20 p.
  • New Jersey
    • Somerset Co.
      • Bernards Township
Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
    • Sussex Co.
      • Franklin Mining District
        • Franklin
FOMS Millsite Committee (1986) (circa), List of Mineral Species Found on the Franklin Mill Site, Franklin-Ogdensburg Mineralogical Society (unpublished).
  • New York
    • Westchester Co.
      • Cortlandt Township
SEM/EDS analysis by Excalibur Mineral Co.
  • Utah
    • Duchesne Co.
UGMS Bull 117 Minerals and Mineral Localities of Utah
Am Min 45:188-199
Am Min 58:211-217
  • Wyoming
    • Fremont Co.
      • South Pass-Atlantic City District
        • Atlantic City
James Cheshire collection
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