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About GötzeniteHide

Count Gustav Adolf von Götzen
Very pale yellow, tan, off-white, colorless, white.
Vitreous, Greasy
5½ - 6
Specific Gravity:
3.03 - 3.14
Crystal System:
Named for Gustav Adolf von Götzen (1866-1910), German traveler who was the first European to climb Mt. Shaheru, North Kivu, Zaire (in 1894, together with a German companion), the Type Locality for the species.
This page provides mineralogical data about Götzenite.

Classification of GötzeniteHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
Dana 7th ed.:

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination

17 : Silicates Containing other Anions
2 : Silicates with fluoride

Physical Properties of GötzeniteHide

Vitreous, Greasy
Very pale yellow, tan, off-white, colorless, white.
Colorless in thin section (TL)
5½ - 6 on Mohs scale
Perfect on {100}, good on {001}
3.03 - 3.14 g/cm3 (Measured)    2.84 g/cm3 (Calculated)

Optical Data of GötzeniteHide

Biaxial (+)
RI values:
nα = 1.651 - 1.662 nβ = 1.653 - 1.665 nγ = 1.659 - 1.672
Measured: 38° to 74°, Calculated: 62° to 68°
Max Birefringence:
δ = 0.008 - 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
r > v strong

Chemical Properties of GötzeniteHide

IMA Formula:

Crystallography of GötzeniteHide

Crystal System:
Class (H-M):
1 - Pinacoidal
Space Group:
Cell Parameters:
a = 9.667 Å, b = 5.731 Å, c = 7.334 Å
α = 90°, β = 101.05°, γ = 101.31°
a:b:c = 1.687 : 1 : 1.28
Unit Cell V:
390.74 ų (Calculated from Unit Cell)
Prismatic, acicular, skeletal.
Lamellar twinning on {001}

Type Occurrence of GötzeniteHide

General Appearance of Type Material:
As prismatic crystals up to 0,5 mm long.
Place of Conservation of Type Material:
Smithsonian 142981
Geological Setting of Type Material:
Associated Minerals at Type Locality:

Synonyms of GötzeniteHide

Other Language Names for GötzeniteHide

Simplified Chinese:氟硅钙钛矿
Traditional Chinese:氟矽鈣鈦礦

Relationship of Götzenite to other SpeciesHide

Other Members of this group:
Batievaite-(Y)Y2Ca2Ti(Si2O7)2(OH)2(H2O)4Tric. 1 : P1
Fogoite-(Y)Na3Ca2Y2Ti(Si2O7)2OF3Tric. 1 : P1
GrenmariteNa4MnZr3(Si2O7)2O2F2Mon. 2/m : P2/b
Hainite-(Y)Na2Ca4(Y,REE)Ti(Si2O7)2OF3Tric. 1 : P1
KochiteNa3Ca2MnZrTi(Si2O7)2OF3Tric. 1 : P1
Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.50.5]Ti(Si2O7)2(OH)2(H2O)2Mon. 2/m : P21/b
Nacareniobsite-(Ce)NbNa3Ca3(Ce,REE )(Si2O7)2OF3Mon.
Rinkite-(Y)Na2Ca4YTi(Si2O7)2OF3Mon. 2/m : P21/b
RosenbuschiteNa6Ca6Zr3Ti(Si2O7)4O2F6Tric. 1 : P1
Roumaite(Ca,Na,REE,◻)7(Nb,Ti)[Si2O7]2OF3Mon. m : Bb

Common AssociatesHide

Associated Minerals Based on Photo Data:
Fluorite8 photos of Götzenite associated with Fluorite on
Aegirine4 photos of Götzenite associated with Aegirine on
Calcite3 photos of Götzenite associated with Calcite on
Gonnardite2 photos of Götzenite associated with Gonnardite on
Nepheline2 photos of Götzenite associated with Nepheline on
Pectolite1 photo of Götzenite associated with Pectolite on
Andradite1 photo of Götzenite associated with Andradite on
Ancylite Group1 photo of Götzenite associated with Ancylite Group on
Eudialyte1 photo of Götzenite associated with Eudialyte on
Astrophyllite1 photo of Götzenite associated with Astrophyllite on

Related Minerals - Nickel-Strunz GroupingHide

9.BE.05HennomartiniteSrMn3+2(Si2O7)(OH)2 · H2OOrth.
9.BE.05LawsoniteCaAl2(Si2O7)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
9.BE.05NoelbensoniteBaMn3+2(Si2O7)(OH)2 · H2OOrth.
9.BE.05ItoigawaiteSrAl2(Si2O7)(OH)2 · H2OOrth.
9.BE.07IlvaiteCaFe3+Fe2+2(Si2O7)O(OH)Orth. mmm (2/m 2/m 2/m)
9.BE.07ManganilvaiteCaFe2+Fe3+Mn2+(Si2O7)O(OH)Mon. 2/m : P21/b
9.BE.10SuoluniteCa2(H2Si2O7) · H2OOrth.
9.BE.12JaffeiteCa6(Si2O7)(OH)6Trig. 3 : P3
9.BE.17CuspidineCa4(Si2O7)(F,OH)2Mon. 2/m : P21/b
9.BE.17Hiortdahlite(Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4 Tric.
9.BE.17Janhaugite(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2Mon. 2/m : P21/m
9.BE.17Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2Mon. 2/m : P21/b
9.BE.17NormanditeNaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OFMon. 2/m : P21/b
9.BE.17WöhleriteNaCa2(Zr,Nb)(Si2O7)(O,OH,F)2Mon. 2 : P21
9.BE.17Hiortdahlite INa4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5
9.BE.17MarianoiteNa2Ca4(Nb,Zr)2(Si2O7)2(O,F)4Mon. 2 : P21
9.BE.20Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.50.5]Ti(Si2O7)2(OH)2(H2O)2Mon. 2/m : P21/b
9.BE.20Nacareniobsite-(Ce)NbNa3Ca3(Ce,REE )(Si2O7)2OF3Mon.
9.BE.22Hainite-(Y)Na2Ca4(Y,REE)Ti(Si2O7)2OF3Tric. 1 : P1
9.BE.22RosenbuschiteNa6Ca6Zr3Ti(Si2O7)4O2F6Tric. 1 : P1
9.BE.22KochiteNa3Ca2MnZrTi(Si2O7)2OF3Tric. 1 : P1
9.BE.23DovyreniteCa6Zr(Si2O7)2(OH)4Orth. mmm (2/m 2/m 2/m) : Pnnm
9.BE.25EricssoniteBaMn2+2Fe3+(Si2O7)O(OH)Mon. 2/m : B2/m
9.BE.25NabalamprophylliteNa3(Ba,Na)2Ti3(Si2O7)2O2(OH,F)2Mon. 2/m
9.BE.25GrenmariteNa4MnZr3(Si2O7)2O2F2Mon. 2/m : P2/b
9.BE.25SchülleriteBa2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4Tric. 1 : P1
9.BE.25LileyiteBa2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2Mon. 2/m : B2/m
9.BE.27MurmaniteNa2Ti2(Si2O7)O2 · 2H2OTric.
9.BE.30EpistoliteNa2(Nb,Ti)2(Si2O7)O2 · nH2OTric.
9.BE.37SoboleviteNa13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3Mon. m : Pb
9.BE.40InneliteNa2CaBa4Ti3(Si2O7)2(SO4)2O4Tric. 1 : P1
9.BE.42YoshimuraiteBa2Mn2Ti(Si2O7)(PO4)O(OH)Tric. 1 : P1
9.BE.47PolyphiteNa5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2Tric. 1 : P1
9.BE.50BornemaniteNa6BaTi2Nb(Si2O7)2(PO4)O2(OH)F Tric. 1 : P1
9.BE.50ShkatulkaliteNa5(Nb1−xTix)2(Ti1−yMn2+y)[Si2O7]2O2(OH)2·nH2O (x + y = 0.5; n ≤ 10)Mon.
9.BE.55HejtmaniteBa2(Mn2+,Fe2+)4Ti2(Si2O7)2O2(OH)2F2Tric. 1
9.BE.55Bykovaite(Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(H2O,F,OH)2 · 3.5H2OMon. 2/m
9.BE.55Nechelyustovite(Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2OMon. 2/m : B2/m
9.BE.60Delindeite(Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2OMon.
9.BE.65BusseniteNa2Ba2Fe2+Ti(Si2O7)(CO3)(OH)3FTric. 1 : P1
9.BE.67JinshajiangiteBaNaFe2+4Ti2(Si2O7)2O2(OH)2FMon. 2/m
9.BE.67PerraultiteBaNaMn2+4Ti2(Si2O7)2O2(OH)2FMon. 2/m : B2/m
9.BE.70Karnasurtite-(Ce)(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O
9.BE.70Polyakovite-(Ce)(Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8Mon. 2/m : B2/m
9.BE.70RengeiteSr4ZrTi4(Si2O7)2O8Mon. 2/m : P21/b
9.BE.70MatsubaraiteSr4Ti5(Si2O7)2O8Mon. 2/m : P21/b
9.BE.70Dingdaohengite-(Ce)(Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe2+)2Ti2(Si2O7)2O8Mon. 2/m : P21/b
9.BE.70Maoniupingite-(Ce)(Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8Mon. 2/m : B2/m
9.BE.70Perrierite-(La)(La,Ce,Ca)4(Fe,Mn2+,Mg)Fe3+2(Ti,Fe3+)2(Si2O7)2O8Mon. 2/m : P21/b
9.BE.70UKI-2008-(SiO:SrTiZr)Sr4ZrTi4(Si2O7)2O8Orth. mmm (2/m 2/m 2/m) : Pbca
9.BE.70Hezuolinite(Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8Mon. 2/m : B2/m
9.BE.80KentrolitePb2Mn3+2(Si2O7)O2Orth. mmm (2/m 2/m 2/m) : Pbcm
9.BE.87Stavelotite-(La)(La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30Trig. 3 : P31
9.BE.90Biraite-(Ce)Ce2Fe2+(Si2O7)(CO3)Mon. 2/m : P21/b
9.BE.92Cervandonite-(Ce)(Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH)Trig. 3m : R3m
9.BE.95BatisiviteBaV3+8Ti6(Si2O7)O22Tric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide[(H2O)2Ca0.50.5]Ti(Si2O7)2(OH)2(H2O)2Mon. 2/m : P21/b,REE )(Si2O7)2OF3Mon.,Ca)4(Ti,Nb)4(Si2O7)2O8F3Tric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.2.1TopazAl2(SiO4)(F,OH)2Orth. mmm (2/m 2/m 2/m)
17.2.2PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m : B2/b
17.2.3Leifite(Na,H2O)Na6[Be2Al2(Al,Si)Si15O39]F2Trig. 3m : P3m1
17.2.5Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]Tet. 4 : I4
17.2.10MagbasiteKBaFe3+Mg7Si8O22(OH)2F6Orth. mmm (2/m 2/m 2/m) : Cmma

Other InformationHide

Easily soluble in hot diluted hydrochloric acid
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 GötzeniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sahama, T. G. & Hytönen, K. (1957) Götzenite and combeite, two new silicates from the Belgian Congo. Mineralogical Magazine 31: 503-510
Fleischer, M. (1958) New mineral names. American Mineralogist: 43: 790-798
International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names. Mineralogical Magazine: 33: 260-263
Cannillo, E., Mazzi, F. & Rossi, G. (1972) Crystal structure of gotzenite. Soviet Physics - Crystallography: 16 (6): 1026-1030
Christiansen, C.C., Johnsen, O., Makovicky, E. (2003) Crystal chemistry of the rosenbuschite group. The Canadian Mineralogist: 41: 1203-1224.
Sokolova, E. (2006) From structure topology to chemical composition. I. Structural hierarchy and stereochemistry in titanium disilicate minerals. The Canadian Mineralogist: 44: 1273.
Sokolova, E. & Camara, F. (2017): The seidozerite supergroup of TS-block minerals: nomenclature and classification, with change of the following names: rinkite to rinkite-(Ce), mosandrite to mosandrite-(Ce), hainite to hainite-(Y) and innelite-1T to innelite-1A. Mineralogical Magazine: 81 (in press)

Internet Links for GötzeniteHide

Localities for GötzeniteHide

ⓘ - 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.
  • Québec
    • Gaspésie-Îles-de-la-Madeleine
      • La Haute-Gaspésie RCM
Wallace et al. (1990) Canadian Mineralogist 28, 251; Wallace, G.M., Whalen, J.B. & Martin, R.F. (1990) Agpaitic and miaskitic nepheline syenites of the McGerrigle plutonic complex, Gaspé, Quebec. Canadian Mineralogist 28, 251-266.
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
Democratic Republic of the Congo
  • Nord-Kivu
Berger, V.I., Singer, D.A., and Orris, G.J. (2009): USGS Open-File Report 09-1139; USGS Open-File Report 02–156–A
    • Goma
Andersen, T., Elburg, M. A., & Erambert, M. (2014). Extreme peralkalinity in delhayelite-and andremeyerite-bearing nephelinite from Nyiragongo volcano, East African Rift. Lithos, 206, 164-178.
Sahama, T. G. & Hytönen, K. (1957) Götzenite and combeite, two new silicates from the Belgian Congo. Mineralogical Magazine 31: 503-510; NJMM (2000), 496; Mineralogical Magazine 1957 31 : 698-699.
  • Greenland
    • Sermersooq
Christiansen, C.C. & Johnsen, O. (2003): Crystal chemistry of the Rosenbuschite group. Canadian Mineralogist. 41: 1203-1224
Christiansen, C. C., Gault, R. A., Grice, J. D., Johnsen, O. (2003): Kochite, a new member of the rosenbuschite group from the Werner Bjerge alkaline complex, East Greenland. European Journal of Mineralogy. 15, 551-554
  • Baden-Württemberg
Weisenberger, Tobias B. & Spürgin, Simon (2014) Hydrothermal phonolite alteration in the Kaiserstuhl Volcanic Complex, Germany. 31st Nordic Geological Meeting, Lund Sweden.
      • Bötzingen
Weisenberger, T.B., Spürgin, S., Lahaye, Y. (2014): Hydrothermal alteration and zeolitization oft he Fohberg phonolite, Kaiserstuhl Volcanic Complex, Germany, International Journal of Earth Sciences, Vol. 103 (8). 2273-2300
  • Rhineland-Palatinate
    • Ahrweiler
      • Hillesheim
Chukanov, N. V., Zubkova, N. V., Pekov, I. V., Belakovskiy, D. I., Schüller, W., Ternes, B., ... & Pushcharovsky, D. Y. (2013). Hillesheimite,(K, Ca,□) 2 (Mg, Fe, Ca,□) 2 [(Si, Al) 13O23 (OH) 6](OH)· 8H2O, a new phyllosilicate mineral of the Günterblassite group. Geology of Ore Deposits, 55(7), 549-557.
        • Walsdorf
Hohn, G., Leu, K. (2015): Mineralien vom Goßberg bei Walsdorf, Eifel.- Lapis, 40 (Nr. 11), S. 30-36 + 54.
      • Kruft
Blass, G., Götzenit als Neufund in einem sanidinitischen Auswürfling des Laacher-See-Vulkans, Mineralien-Welt 2/6, 76-78, 1991
    • Mayen-Koblenz
      • Mendig
        • Niedermendig
Blass, G., Götzenit als Neufund in einem sanidinitischen Auswürfling des Laacher-See-Vulkans, Mineralien-Welt 2/6, 76-78, 1991
Blass, G., Götzenit als Neufund in einem sanidinitischen Auswürfling des Laacher-See-Vulkans, Mineralien-Welt 2/6, 76-78, 1991
          • Wingertsberg
Blass, G., Götzenit als Neufund in einem sanidinitischen Auswürfling des Laacher-See-Vulkans, Mineralien-Welt 2/6, 76-78, 1991
    • Vulkaneifel
      • Daun
        • Oberstadtfeld
Rastsvetaeva, R.K., Aksenov, S.M., Chukanov, N.V., Lykova, I.S., Verin, I.A. (2014): Iron-rich schüllerite from Kahlenberg (Eifel, Germany): Crystal structure and relation to lamprophyllite-group minerals. Crystallography Reports, Vol. 59, pp. 867-873.
        • Schalkenmehren
[MinRec 32:499]
        • Üdersdorf
Hentschel, G., Die Minerale der Üdersdorfer Lava, Lapis, Weise Verlag, München, 11/1989
      • Gerolstein
        • Roth
Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29.; Aksenov, S. M., Rastsvetaeva, R. K., & Chukanov, N. V. (2014). The crystal structure of emmerichite Ва 2Na 3Fe 3+ Ti 2 (Si 2O 7) 2O 2F 2, a new lamprophyllite-group mineral. Zeitschrift für Kristallographie–Crystalline Materials, 229(1), 1-7.
  • Latium
    • Rome Province
      • Alban Hills
        • Ariccia
in the collection of Christof Schäfer
  • Umbria
    • Terni Province
      • San Venanzo
Stoppa, F., Sharygin, V.V., and Cundari, A. (1997): Mineralogy and Petrology 61, 27-45.; F. Stoppa and Y. Liu, Eur. J. Mineral. , 1995, 7, pp. 391-402; Bellezza, M., Merlino, S. and Perchiazzi, N. (2004): Chemical and structural study of the Zr,Ti-disilicates in the venanzite from Pian di Celle, Umbria, Italy. Eur. J. Mineral. 16, 957-969.
  • Homa Bay County
Berger, V.I., Singer, D.A., Orris, G.J. (2009) Carbonatites of the World, Explored Deposits of Nb and REE - Database and Grade and Tonnage Models. U.S. Geological Survey Open-File Report 2009-1139, 17 pages. USGS Open-File Report 02–156–A
  • Béni Mellal-Khénifra Region
    • Khénifra Province
      • Tamazeght Mountain Range
KHADEM ALLAH, B., FONTAN, F., KADAR, M., MONCHOUX, P. & SØRENSEN, H. (1998): Reactions between agpaitic nepheline syenitic melts and sedimentary carbonate rocks, exemplified by the Tamazeght complex, Morocco. Geokhimiya 7, 643-655.
  • Khomas Region
    • Windhoek District
      • Aris
KOLLER, F., ŠKODA, R., PALFI, A.G. & POPP, F. (2013) Phonolites of the Aris and Rehoboth areas, Central Namibia. Abstract, Mineralogical and Petrological Conference MinPet 2013, Bratislava. 40.
  • Vestfold
    • Larvik
      • Langesundsfjorden
        • Barkevik area
Eldjarn, K. (1983): Mineraler fra Syenitt-Pegmatitter i Langesundsfjordområdet. NAGS-nytt 10 (2): 4-41
  • Murmanskaya Oblast'
    • Khibiny Massif
      • Eveslogchorr Mt
Pavel M. Kartashov analytical data
PEKOV, I.V. & NIKOLAEV, A.P. (2013) Minerals of the pegmatites and hydrothermal assemblages of the Koashva deposit (Khibiny, Kola Peninsula, Russia). Mineralogical Almanac 189(2), 7-65.
  • Arusha Region
Zaitsev, A. N., Marks, M. A. W., Wenzel, T., Spratt, J., Sharygin, V. V., Strekopytov, S., & Markl, G. (2012). Mineralogy, geochemistry and petrology of the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania. Lithos, 152, 66-83.
  • Donetsk (Donets'k) Oblast'
Kryvdik S. G. · Sharygin V. V. · Gatsenko V. O. · Lunev E. S. (2016) Foid minerals from malignites of the Pokrovo-Kireevo massif (Azov Sea region, Ukraine)
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