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Epididymite

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Formula:
Na2Be2Si6O15 · H2O
Colour:
Colourless
Lustre:
Vitreous
Hardness:
Crystal System:
Orthorhombic
Name:
Derived from the Greek επ (near), and δίδνμος (twin) referring to the dimorphous relation with eudidymite.
Dimorph of:
This page provides mineralogical data about Epididymite.


Hide all sections | Show all sections

Classification of EpididymiteHide

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

9 : SILICATES (Germanates)
D : Inosilicates
G : Inosilicates with 3-periodic single and multiple chains
66.3.1.4

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
3 : Amphiboles - Ca-Na subgroup
14.3.7

14 : Silicates not Containing Aluminum
3 : Silicates of Be

Physical Properties of EpididymiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless
Hardness:
5½ on Mohs scale

Optical Data of EpididymiteHide

Type:
Biaxial (+)
RI values:
nα = 1.544 nβ = 1.544 nγ = 1.546
2V:
Measured: 22°
Max Birefringence:
δ = 0.002
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak

Chemical Properties of EpididymiteHide

Formula:
Na2Be2Si6O15 · H2O
Common Impurities:
Al,Fe,Mg,Ca,K

Crystallography of EpididymiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 12.7334(4) Å, b = 13.6298(5) Å, c = 7.3467(3) Å
Ratio:
a:b:c = 0.934 : 1 : 0.539
Unit Cell V:
1275.04 ų
Z:
4

Crystallographic forms of EpididymiteHide

Crystal Atlas:
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Epididymite no.5 - Goldschmidt (1913-1926)
Epididymite no.13 - Goldschmidt (1913-1926)
Epididymite no.14 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Type Occurrence of EpididymiteHide

Synonyms of EpididymiteHide

Other Language Names for EpididymiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Aegirine43 photos of Epididymite associated with Aegirine on mindat.org.
Albite22 photos of Epididymite associated with Albite on mindat.org.
Eudidymite18 photos of Epididymite associated with Eudidymite on mindat.org.
Catapleiite18 photos of Epididymite associated with Catapleiite on mindat.org.
Serandite17 photos of Epididymite associated with Serandite on mindat.org.
Natrolite15 photos of Epididymite associated with Natrolite on mindat.org.
Smoky Quartz12 photos of Epididymite associated with Smoky Quartz on mindat.org.
Quartz10 photos of Epididymite associated with Quartz on mindat.org.
Analcime9 photos of Epididymite associated with Analcime on mindat.org.
Calcite9 photos of Epididymite associated with Calcite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DG.05BustamiteCaMn2+(Si2O6)Tric. 1 : P1
9.DG.05FerrobustamiteCaFe2+(Si2O6)Tric.
9.DG.05PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
9.DG.05SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
9.DG.05WollastoniteCaSiO3Tric. 1 : P1
9.DG.05Wollastonite-1ACaSiO3Tric.
9.DG.07CascanditeCa(Sc,Fe3+)(HSi3O9)Tric.
9.DG.08Plombièrite[Ca4Si6O16(OH)2 · 2H2O]·(Ca·5H2O)Orth.
9.DG.10Clinotobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Mon.
9.DG.10RiversideiteCa5(HSi3O9)2 · 2H2OOrth.
9.DG.10Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Orth.
9.DG.15FoshagiteCa4(Si3O9)(OH)2Tric.
9.DG.20JenniteCa9(Si3O9)2(OH)8 · 8H2OTric.
9.DG.25ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
9.DG.25UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
9.DG.30SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
9.DG.35XonotliteCa6(Si6O17)(OH)2Mon. 2/m
9.DG.40HillebranditeCa2(SiO3)(OH)2Orth. mmm (2/m 2/m 2/m) : Cmcm
9.DG.45ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
9.DG.45ChivruaiiteCa4(Ti,Nb)5(Si6O17)2(OH,O)5 · 13-14H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
9.DG.50Haineaultite(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8 · 5H2OOrth. 2 2 2 : C2 2 2
9.DG.60EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
9.DG.65ElpiditeNa2ZrSi6O15 · 3H2OOrth.
9.DG.70Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric.
9.DG.70LitidioniteCuNaKSi4O10Tric.
9.DG.70ManaksiteKNaMnSi4O10Tric.
9.DG.75TinaksiteK2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]Tric.
9.DG.75TokkoiteK2Ca4[Si7O18(OH)](OH,F)Tric.
9.DG.75SenkevichiteCsKNaCa2Ti[O|Si7O18(OH)]Tric. 1 : P1
9.DG.80CanasiteK3Na3Ca5Si12O30(OH)4
9.DG.80FluorcanasiteK3Na3Ca5Si12O30F4 · H2OMon. m : Bm
9.DG.85MiseriteK1.5-x(Ca,Y,REE)5(Si6O15)(Si2O7)(OH,F)2 · yH2OTric.
9.DG.90FrankameniteK3Na3Ca5(Si12O30)(F,OH)4 · H2OTric.
9.DG.92Charoite(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4 · ~3H2OMon. 2/m : P21/m
9.DG.95YuksporiteK4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3Orth.
9.DG.97Eveslogite(Na,K,Ca,Sr,Ba)48 [(Ti,Nb,Mn,Fe2+)12Si48O144(OH)12](F,OH,Cl)14Mon. 2/m : P2/m

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

66.3.1.1XonotliteCa6(Si6O17)(OH)2Mon. 2/m
66.3.1.2ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
66.3.1.3EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
66.3.1.5YuksporiteK4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.3.1PhenakiteBe2SiO4Trig. 3 : R3
14.3.2BertranditeBe4(Si2O7)(OH)2Orth. mm2 : Cmc21
14.3.3BerylliteBe3(SiO4)(OH)2 · H2OOrth.
14.3.4LiberiteLi2BeSiO4Mon. m : Pm
14.3.5ChkaloviteNa2BeSi2O6Orth. mm2 : Fdd2
14.3.6EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
14.3.8GugiaiteCa2Be(Si2O7)Tet.
14.3.9Jeffreyite(Ca,Na)2(Be,Al)(Si2O7,HSi2O7)Orth.
14.3.10Semenovite-(Ce)Na8Ca2FeBe6Ce2Si14O40(OH)4F4Orth. mmm (2/m 2/m 2/m)
14.3.11BaryliteBe2Ba(Si2O7)Orth.
14.3.12Hingganite-(Ce)(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.13Hingganite-(Yb)(Yb,Y,REE)2□Be2[SiO4]2(OH)2
14.3.14Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.15Minasgeraisite-(Y)CaBe2Y2Si2O10Mon. 2/m : P21/b
14.3.16SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
14.3.17TrimeriteCaMn2+2Be3(SiO4)3Mon. 2/m : P21/m
14.3.18ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
14.3.19Tvedalite(Ca,Mn)4Be3Si6O17(OH)4 · 3H2OOrth.
14.3.20HarstigiteCa6(Mn,Mg)Be4Si6(O,OH)24Orth.
14.3.21SverigeiteNaMnMgSnBe2(SiO4)3(OH)Orth. mmm (2/m 2/m 2/m) : Imma
14.3.22Joesmithite{Pb}{Ca2}{Mg3Fe3+2}(Be2Si6O22)(OH)2Mon.
14.3.23Gadolinite-(Y)Y2Fe2+Be2Si2O10Mon. 2/m : P21/b
14.3.24Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m
14.3.25Calciogadolinite-(Y)(YCa)2Fe3+Be2[SiO4]2O2

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 EpididymiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Flink, G. (1893): Om några mineral från Grönland. Geologiska Föreningen i Stockholms Förhandlingar. 15, 195-208
FLINK, G. (1899): Part I. On the minerals from Narsarsuk on the Firth of Tunugdliarfik in Southern Greenland. 8-180
ITO, T. (1934): The structure of epididymite (HNaBeSi3O8). Zeitschrift für Kristallographie 88, 142-149.
ROBINSON, P.D. & FANG, J.H. (1970): The crystal structure of epididymite. American Mineralogist 55, 1541-1549.
FANG, J.H., ROBINSON, P.D. & OHYA, Y. (1972): Redetermination of the crystal structure of eudidymite and its dimorphic relationship to epididymite. American Mineralogist 57, 1345-1354.
PETERSEN, O.V., MEDENBACH, O. & BOLLHORN, J. (1997): Epididymite twins, Contribution to the mineralogy of Ilímaussaq No.99. Neues Jahrbuch für Mineralogie, Monatshefte Jg. 1997, 221-228.
Petersen, O. V & Johnsen, O. (2005): Minerals first described from Greenland. Canadian Mineralogist, Special Publication. 8, 184p
Gatta, D.G., N. Rotiroti, G.J. McIntyre, A. Guastoni & F. Nestola (2008): New insights into the crystal chemistry of epididymite and eudidymite from Malosa, Malawi: A single-crystal neutron diffraction study. American Mineralogist 93, 1158-1165.

Internet Links for EpididymiteHide

Localities for EpididymiteHide

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.
Canada
 
  • Newfoundland and Labrador
    • Labrador
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Mandarino, J.A., Harris, D.C., and Bradley, J. (1965) Mangan-neptunite, epididymite, and new species from Mont St.-Hilaire. Canadian Mineralogist: 8: 398.; Harris, D.C. and Mandarino, J.A. (1966) Epididymite from Mont St.-Hilaire, Quebec, Canada. Canadian Mineralogist: 8: 706-709.; Horváth, L., and Gault, R.G. (1990) The mineralogy of Mont Saint Hilaire. Mineralogical Record, 21, 284 359.; Jambor, J.L. and Roberts, A.C. (2001) New mineral names. American Mineralogist: 86: 197-200.
      • Lajemmerais RCM
        • Varennes & St-Amable
HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Žďár nad Sázavou
        • Věžná
www.cseg.ca/conferences/2000/556.PDF.; Cerny, P., Novak, M., Chapman, R., & Masau, M. (2000). Subsolidus behavior of niobian rutile from Vezna, Czech Republic: A model for exsolutions in phases with Fe2+>> Fe3+. Journal of GEOsciences, 45(1-2), 21-35.; Cerny, P., Hawthorne, F. C., Laflamme, J. H. G., & Hinthorne, J. (1979). Stibiobetafite, a new member of the pyrochlore group from Vezna, Czechoslovakia. Canadian Mineralogist, 17, 583-588.
Petr Pauliš (2001): Nejzajímavější mineralogická naleziště Moravy a Slezska. Kuttna, Kutná Hora.; Mineralogical Magazine 1963 33 : 450-457; Canadian Mineralogist Vol.22, pp. 631-651 (1984)
Greenland (TL)
 
  • Kujalleq
    • Narsaq
      • Igaliku (Igaliko)
        • Narsaarsuk Plateau
Flink, G. (1893): Om några mineral från Grönland. Geologiska Föreningen i Stockholms Förhandlingar. 15, 195-208; Bull Min 84 (1961), 320; Montgomery, A. (1974): An American Mineralogist Part IV. Mineralogical Record 5 (3), 115-127
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
        • Taseq area
Bohse, H., Petersen, O., Niedermayr, G. (2001): Notes on Leucophanite from the Ilimaussaq alkaline complex, South Greenland, Geology of Greenland Survey Bulletin, 190, 119-121
Bohse, H., Petersen, O., Niedermayr, G. (2001): Notes on Leucophanite from the Ilimaussaq alkaline complex, South Greenland, Geology of Greenland Survey Bulletin, 190, 119-121
Malawi
 
  • Zomba District
Cairncross, B., Messner, K & Farquharson, E. (1999): Die Pegmatite des Mount Malosa bei Zomba, Malawi. LAPIS 24 (4), 22-32; Diego Gatta, G., N. Rotiroti, G.J. McIntyre, A. Guastoni & F. Nestola (2008): New insights into the crystal chemistry of epididymite and eudidymite from Malosa, Malawi: A single-crystal neutron diffraction study. American Mineralogist 93, 1158-1165.; American Mineralogist, Volume 94, pages 1216–1222, 2009; Guastoni, A., & Pezzotta, F. (2007). REE-mineral phases replacing helvite, niobian-rutile, bastnäsite-(Ce) from alkaline pegmatites of Mount Malosa, Zomba District, Malawi. Granitic Pegmatites: the State of the Art. Memorias, 8, 42-43.; Cairncross, B. (2002). Aegirine and Associated Minerals from Mount Malosa, Malawi. Rocks & Minerals, 77(1), 31-37.
Norway
 
  • Oppland
    • Lunner
      • Nordmarka
Raade, G. & Haug, J.(1982): Gjerdingen. Fundstelle seltener Mineralien in Norwegen. LAPIS 7, 9-15
  • Telemark
    • Porsgrunn
      • Langangen
        • Kokkersvold E18 roadcuts
Raade, G., Åmli, R., Mladeck, H., Din. V. K., Larsen, A.O. & Åsheim, A. (1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist. 68: 628-633
      • Langesundsfjorden
        • Siktesøya
Larsen, A.O. & Raade, G. (1991): Gaidonnayite from the nepheline syenite pegmatite on Siktesøya in the southern part of the Oslo Region, norway. Norsk Geologisk Tidsskrift. 71: 303-306
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
      • Mørje
        • Sagåsen
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Larsen, A.O., Åsheim, A. and Gault, R. A. (2005): Minerals of the eudialyte group from the Sagåsen larvikite quarry, Porsgrunn, Norway. Norsk Bergverksmuseum Skrifter 30: 58-62
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
      • Rønningen (Skredderrønningen)
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
      • Slevolden
Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179
  • Vestfold
    • Larvik
      • Brunlanes
Raade, G.; Åmli, R.; Mladeck, M.H.; Din, V.K.; Larsen, A.O. & Åsheim, A.(1983): Chiavennite from syenite pegmatites in the Oslo Region, Norway. American Mineralogist 68; 628-633
      • Hedrum
        • Lågendalen
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
      • Langesundsfjorden
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
        • Vesle Arøya
Flink, G. (1899): Über einige seltene Mineralien aus der Gegend von Langesund in Norwegen. Bulletin of the Geological Institution of the University of Uppsala 4, 16-27; Engvoldsen, T., Andersen, F., Berge, S. A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18 (1), 15-71; Larsen, A.O., Kolitsch, U., Gault, R.A. & Giester, G. (2010): Eirikite a new mineral species of the leifite group from the Langesundsfjord district, Norway. European Journal of Mineralogy. 22, 875–880
      • Malerød
Andresen, P. (2011): Mineralene fra Midtfjellet larvikittbrudd, Malerød, Larvik. Norsk Bergverksmuseum Skrift. 46: 41-47
Andersen, F., Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. Mineralien-Welt 7(4), 21-100
      • Stavern (Fredriksvärn)
        • Fuglevika
Kristiansen, R.(2005): Milarittgruppens mineraler i Norge. Norsk Berverksmuseum Skrifter 30:21-29
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
      • Tvedalen
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Larsen, K.E. (2016): Noen funn av mineraler i Norge 2015-2016. Norsk Mineralsymposium 2016: 127-135
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Nordrum, F. S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2), 14-26.
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Nordrum, F.S. (2008): Nyfunn av mineraler i Norge 2007-2008. STEIN 35 (2), 8-20; Andresen, P. (2013): Gedigent bly og andre spennende mineraler fra en unik pegmatitt i Tvedalen. Norsk Bergverksmuseum Skrifter. 50, 83-87
Larsen, A. O.; Åsheim, A.; Raade, G. & Taftø, J. (1992): Tvedalite, (Ca,Mn)4Be3Si6O17(OH)4• 3H2O, a new mineral from syenite pegmatite in the Oslo Region, Norway, American Mineralogist 77, 438-443
    • Sandefjord
      • Haneholmveien
Larsen, K. E. & Kolitsch, U. (2012): An unique mineral suite in a syenite pegmatite at Virikkollen, Sandefjord, Larvik Plutonic Complex, Norway. Norsk Bergverksmuseum Skrifter. 49, 35-44
      • Østerøya
Berge, S. A. & Andersen, F. (2002): Mineralforekomster i Sandefjordområdet. Norsk Bergverksmuseums Skrift. 20, 50-59
      • Vesterøya
Berge, S.A., Larsen, K.E. & Andersen, F. (2011): Buer, Vesterøya, Sandefjord- en typelokalitet for et nytt mineral. Norsk Bergverksmuseum Skrift. 46: 49-56
Larsen, K.E. & Nordrum, F.S. (2013): Noen funn av mineraler i Norge 2012-2013. Norsk Bergverksmuseum Skrift. 50, 111-117
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71; Berge, S. A. (2013):Mineralene i Husebyyåsen feltspatbrudd, Vesterøya, Sandefjord. Norsk Bergverksmuseum Skrifter. 50, 93-99
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Knut Edvard Larsen collection
Berge, S. A. (1978):Epididymitt. NAGS-nytt 5(1), 8
Portugal
 
  • Azores District
    • São Miguel Island
      • Água de Pau Massif
Samples collected by Luigi Chiappino and analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Aldan Shield
        • Chara and Tokko Rivers Confluence
[Lapis 1993:4 p.13-20]
Konev, A.A., Vorobyev, E.I., and Lazebnik, K.A. (1996) The Mineralogy of the Murun Massif. Russian Academy of Science Press, Siberian Branch, Novosbirsk, Russia (in Russian).
    • Tuva Republic
      • Sangilen Upland
Kapustin, Y. L., & Bykova, A. V. (1965). First find of hiortdahlite in the USSR. Doklady Akad. Nauk SSSR, 161, 121-124.
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
[World of Stones 95:5-6, p64]
World of Stones 95:5-6, p64; Men'shikov, Y.P., et al (2006), American Mineralogist: 91: 922-928.; Yakovenchik, V.N., Ivaniuk, G.Yu., Pakhomovsky, Ya.A., Selivanova, E.A., Men'shikov, Yu.P., Korchak, J.A., Krivovichev, S.V., Spiridonova, D.V., Zalkind, O.A. (2010): Punkaruaivite, Li{Ti2(OH)2[Si4O11(OH)]}•H2O, a new mineral species from hydrothermalites of Khibiny and Lovozero alkaline massifs (Kola Peninsula, Russia). Canadian Mineralogist, 48, 41-50.
          • Astrophyllite Stream
Pekov et al (2005) New Data on Minerals Vol 40 pp11-16
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
Men'shikov, Y.P., Krivovichev, S.V., Pakhomovsky, Y.A., Yakovenchuk, V.N., Ivanyuk, G.Y., Mikhailova, J.A., Armbruster, T., and Selivanova, E.A. (2006): Chivruaiite, Ca4(Ti,Nb)5[(Si6O17)2|(OH,O)5]·13-–14H2O, a new mineral from hydrothermal veins of Khibiny and Lovozero alkaline massifs. American Mineralogist 91, 922-928.
Azarova, Y. V., Shlyukova, Z. V., Zolotarev Jr, A. A., & Organova, N. I. (2009). Burovaite-Ca,(Na, K) 4Ca2 (Ti, Nb) 8 [Si4O12] 4 (OH, O) 8· 12H2O, a new labuntsovite-group mineral species and its place in low-temperature mineral formation in pegmatites of the Khibiny pluton, Kola Peninsula, Russia. Geology of Ore Deposits, 51(8), 774-783.
        • Kukisvumchorr Mt
Cámara, F., Sokolova, E., Abdu, Y., Hawthorne, F.C., Khomyakov, A.P. (2013): Kolskyite (Ca☐)Na2Ti4(Si2O7)2O4(H2O)7, a group-IV Ti-disilicate from the Khibiny Alkaline Massif, Kola Peninsula, Russia: description and crystal structure. Canadian Mineralogist, 51, 921-936.; Cámara, F., Sokolova, E., Abdu, Y. A., & Hawthorne, F. C. (2014). Saamite, Ba□ Tinbna3ti (Si2o7) 2o2 (Oh) 2 (H2o) 2, a Group-iii Ti-disilicate Mineral from the Khibiny Alkaline Massif, Kola Peninsula, Russia: Description and Crystal Structure. The Canadian Mineralogist, 52(4), 745-762.
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
      • Lovozero Massif
Yakovenchik, V.N., Ivaniuk, G.Yu., Pakhomovsky, Ya.A., Selivanova, E.A., Men'shikov, Yu.P., Korchak, J.A., Krivovichev, S.V., Spiridonova, D.V., Zalkind, O.A. (2010): Punkaruaivite, Li{Ti2(OH)2[Si4O11(OH)]}•H2O, a new mineral species from hydrothermalites of Khibiny and Lovozero alkaline massifs (Kola Peninsula, Russia). Canadian Mineralogist, 48, 41-50.
          • Umbozero mine (Umbozerskii mine; Umba Mine)
Pekov I V, Chukanov N V, Khomyakov A P, Rastsvetaeva R K, Kucherinenko Y V, Nedel'ko V V (1999) Korobitsynite, Na3-x(Ti,Nb)2[Si4O12](OH,O)2·3-4H2O, a new mineral from Lovozero massif, Kola Peninsula, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 128, issue 3 72-79; Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
Sorokhtina N.V., Voloshin A.V., Pakhomovskii Ya.A., Selivanova E.A. (2004) The first find of daqingshanite-(Ce) on Kola peninsula, - Trudy 1 Fersmanovskoi Nauchnoi Sessii Kolskogo Otdeleniya VMO, Apatity,pt.1, pp. 34-36 (in Russ.)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
I. Pekov (1998) Minerals First Discovered on the Territory of the former Soviey Union; New Data on Minerals M., 2004 Vol 39 pp 5-13; Pekov, I. V., Chukanov, N. V., Yamnova, N. A., Zadov, A. E., & Tarassoff, P. (2007). Gjerdingenite-Na and gjerdingenite-Ca, two new mineral species of the labuntsovite group. The Canadian Mineralogist, 45(3), 529-539
        • Kuftn'yun Mt
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
[World of Stones 95:5-6, p64]
Yakovenchuk, V. N., Ivanyuk, G. Y., Krivovichev, S. V., Pakhomovsky, Y. A., Selivanova, E. A., Korchak, J. A., ... & Zalkind, O. A. (2011). Eliseevite, Na1. 5Li [Ti2Si4O12. 5 (OH) 1.5]∙ 2H2O, a new microporous titanosilicate from the Lovozero alkaline massif (Kola Peninsula, Russia). American Mineralogist, 96(10), 1624-1629.
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Tom Loomis specimen; Knut Edvard Larsen collection # 1245.
Tajikistan
 
  • Region of Republican Subordination
    • Tien Shan Mtn
      • Alai Range (Alayskiy)
I. Pekov data pers. comm L. Horvath 2008
USA
 
  • Massachusetts
    • Norfolk Co.
  • New Mexico
    • Otero Co.
      • Cornudas Mts
XRD Laszlo Horvath collection specimen
Mineral and/or Locality  
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