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Gobbinsite

A valid IMA mineral species
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About GobbinsiteHide

07029090017058720034249.jpg
The Gobbins
Formula:
Na5(Si11Al5)O32 · 11H2O
Colour:
White
Hardness:
4
Specific Gravity:
2.147 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
For the type locality at The Gobbins, Ireland

Unique IdentifiersHide

Mindat ID:
1715
Long-form identifier:
mindat:1:1:1715:8
GUID
(UUID V4):
16fd02f9-6a52-4e95-abfe-3f0fbabbaa46

IMA Classification of GobbinsiteHide

Classification of GobbinsiteHide

9.GC.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
C : Chains of doubly-connected 4-membered rings
77.1.3.4

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
16.10.20

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
GbbIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of GobbinsiteHide

Transparency:
Transparent, Translucent
Colour:
White
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Density:
2.147 g/cm3 (Calculated)

Optical Data of GobbinsiteHide

Type:
Biaxial (-)
RI values:
nα = 1.489 nβ = 1.489 nγ = 1.494
Max Birefringence:
δ = 0.005
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none

Chemistry of GobbinsiteHide

Mindat Formula:
Na5(Si11Al5)O32 · 11H2O
Common Impurities:
Fe,Sr,Ba

Crystallography of GobbinsiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 10.1035(15) Å, b = 9.7819(10) Å, c = 10.1523(9) Å
Ratio:
a:b:c = 1.033 : 1 : 1.038
Unit Cell V:
1003.37 ų
Twinning:
Submicroscopic, on {110}
Comment:
Gatta et al. (2010)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005035GobbinsiteGatta G D, Birch W D, Rotiroti N (2010) Reinvestigation of the crystal structure of the zeolite gobbinsite: a single-crystal x-ray diffraction study American Mineralogist 95 481-4862010Bundoora, Melbourne, Victoria, Australia0293
0010927GobbinsiteMcCusker L B, Baerlocher C (1985) Rietveld refinement of the crystal structure of the new zeolite mineral gobbinsite Zeitschrift fur Kristallographie 171 281-2891985County Antrim, Northern Ireland0293
0014508GobbinsiteArtioli G, Foy H (1994) Gobbinsite from Magheramorne quarry, Northern Ireland Mineralogical Magazine 58 615-6201994Magheramorne quarry, Northern Ireland0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.11 Å(100b)
4.116 Å(100)
3.201 Å(100)
3.106 Å(80)
2.699 Å(80b)
5.056 Å(50)
2.651 Å(40)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of GobbinsiteHide

General Appearance of Type Material:
Chalky white, fibrous mineral, consisting of fibrous clusters of lath-shaped crystals.
Place of Conservation of Type Material:
1) Ulster Museum, Belfast, Ireland, I7881.
2) The Natural History Museum, London, England, 1982,203
3) National Museum of Natural History (Smithsonian), Washington, D.C., USA, 149432.
Geological Setting of Type Material:
Basalt amgygdales
Associated Minerals at Type Locality:
Reference:
Nawaz, R., Malone, J.F. (1982) Gobbinsite, a new zeolite mineral from Co. Antrim, N. Ireland. Mineralogical Magazine: 46: 365-369.

Other Language Names for GobbinsiteHide

German:Gobbinsit
Spanish:Gobbinsita

Relationship of Gobbinsite to other SpeciesHide

Member of:
Other Members of this group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2OMon. 2 : P21
AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
Ammonioleucite(NH4)(AlSi2O6)Tet. 4/m : I41/a
AnalcimeNa(AlSi2O6) · H2OTric. 1 : P1
Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2OHex.
BikitaiteLiAlSi2O6 · H2OTric. 1 : P1
BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
Brewsterite SubgroupZeolite Group.
Chabazite-Levyne SubgroupM[Al2Si4O12] · 6H2O
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
Clinoptilolite SubgroupM3-6(Si30Al6)O72 · 20H2O
CowlesiteCaAl2Si3O10 · 6H2OOrth. mmm (2/m 2/m 2/m)
Dachiardite SubgroupZeolite Group.
DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2OOrth. mmm (2/m 2/m 2/m) : Pmmn
EdingtoniteBa[Al2Si3O10] · 4H2OOrth. 2 2 2 : P21 21 21
EpistilbiteCaAl2Si6O16 · 5H2OMon.
Erionite SubgroupM2[Al4Si14O36] · 15H2O
Faujasite SubgroupM3.5[Al7Si17O48] · 32H2O
Ferrierite SubgroupZeolite Group.
FerrochiavenniteCa1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2OMon. 2/m : P21/b
Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2OTric. 1 : P1
Garronite Subgroup
GaultiteNa4Zn2Si7O18 · 5H2OOrth. mm2 : Fdd2
Gismondine SubgroupZeolite Group.
Gmelinite SubgroupIn 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
GoosecreekiteCa[Al2Si6O16] · 5H2OMon. 2 : P21
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2OOrth. mmm (2/m 2/m 2/m) : Cmca
Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
HsianghualiteCa3Li2(Be3Si3O12)F2Iso. 4 3 2 : I41 3 2
KirchhoffiteCs(BSi2O6)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
Loomisite Ba[Be2P2O8] · H2OMon. m
LovdariteK2Na6Be4Si14O36 · 9H2OOrth. mm2
MaricopaitePb7Ca2(Si,Al)48O100 · 32H2OOrth.
MartinandresiteBa2(Al4Si12O32) · 10H2OOrth. mmm (2/m 2/m 2/m) : Pmmn
Mazzite SubgroupZeolite Group.
Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2OOrth. mmm (2/m 2/m 2/m) : Immm
Montesommaite(K,Na)9Al9Si23O64 · 10H2OOrth. mm2 : Fdd2
Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2OOrth.
MutinaiteNa3Ca4Si85Al11O192 · 60H2OOrth. mmm (2/m 2/m 2/m) : Pnma
NabesiteNa2BeSi4O10 · 4H2OOrth. 2 2 2 : P21 21 21
Natrolite SubgroupA subgroup of the Zeolite Group.
OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2OIso. 2 3 : I2 3
ParthéiteCa2(Si4Al4) O15 (OH)2 · 4H2OMon. 2/m : B2/b
Paulingite SubgroupPaulingite was originally described in 1960.
PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P6/mmm
Phillipsite SubgroupZeolite Group.
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2OIso. m3m (4/m 3 2/m) : Ia3d
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mcm
Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2OOrth.
Thomsonite SubgroupThe large majority of "thomsonite" is thomsonite-Ca.
Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[Al3Si3O12]4(OH)8 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
UM1996-38-SiO:AlCaHNaNa-Ca-Al-Si-O-H
UM1999-33-SiO:AlHKNaK7Na5Al12Si20O64 · 24H2O
UM2002-40-SiO:AlCaHKMgNa(Mg,Ca,Na,K)7.5(Al12.8Si51.2)O128 · 65H2OTet. 4 2 2 : P41 2 2
Unnamed (Ca analogue of Merlinoite)(Ca,K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O ?
WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m : B2/m
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2OMon. m : Bb
Wenkite(Ba,K)4(Ca,Na)6[(Si,Al)20O39(OH)2](SO4)3 · 0.5H2OHex. 6 m2 : P62m
WillhendersoniteKCa[Al3Si3O12] · 5H2OTric. 1 : P1
YugawaraliteCaAl2Si6O16 · 4H2OMon. m : Pb

Common AssociatesHide

Associated Minerals Based on Photo Data:
28 photos of Gobbinsite associated with Gmelinite-NaNa4(Si8Al4O24] · 11H2O
7 photos of Gobbinsite associated with MicroclineK(AlSi3O8)
6 photos of Gobbinsite associated with PyriteFeS2
6 photos of Gobbinsite associated with Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
4 photos of Gobbinsite associated with Phillipsite Subgroup
4 photos of Gobbinsite associated with AlbiteNa(AlSi3O8)
4 photos of Gobbinsite associated with CalciteCaCO3
4 photos of Gobbinsite associated with ZirconZr(SiO4)
3 photos of Gobbinsite associated with AnalcimeNa(AlSi2O6) · H2O
3 photos of Gobbinsite associated with SideriteFeCO3

Related Minerals - Strunz-mindat GroupingHide

9.GC.Garronite-NaNa6(Al6Si10O32) · 8.5H2OMon. 2
9.GC.Gismondine-SrSr4(Si8Al8O32) · 9H2OOrth. 2 2 2 : C2 2 21
9.GC.05AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
9.GC.05Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
9.GC.05Gismondine-CaCaAl2Si2O8 · 4H2OMon. 2/m : P21/b
9.GC.05Gismondine-BaBa2Al4Si4O16 · 4-6H2O
9.GC.10HarmotomeBa2(Si12Al4)O32 · 12H2OMon. 2/m : P21/m
9.GC.10Phillipsite-CaCa3(Si10Al6)O32 · 12H2OMon. 2/m : P21/m
9.GC.10Phillipsite-K(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2OMon. 2/m : P21/m
9.GC.10Phillipsite-Na(Na,K,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] · 12H2OMon. 2/m : P21/m
9.GC.10Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2OTric. 1 : P1
9.GC.10MartinandresiteBa2(Al4Si12O32) · 10H2OOrth. mmm (2/m 2/m 2/m) : Pmmn
9.GC.15Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2OOrth. mmm (2/m 2/m 2/m) : Immm
9.GC.20Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GC.20Mazzite-NaNa8[Al4Si14O36]2 · 30H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GC.25PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P6/mmm
9.GC.30BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
9.GC.35Paulingite-Ca(Ca,K,Na,Ba, ◻)10 (Si, Al)42O84 · 34H2OIso. m3m (4/m 3 2/m)
9.GC.35Paulingite-K(K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2OIso. m3m (4/m 3 2/m)
9.GC.35Paulingite-Na(Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2OIso.

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.

Internet Links for GobbinsiteHide

References for GobbinsiteHide

Reference List:

Localities for GobbinsiteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Victoria
    • City of Whittlesea
      • Bundoora
Gatta et al. (2010)
Canada
 
  • QuĂ©bec
    • MontĂ©rĂ©gie
      • La VallĂ©e-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth et al. (1990) +1 other reference
Hungary
 
  • VeszprĂ©m County
    • Tapolca District
      • ZalahalĂĄp
GEODA 2005/3 +1 other reference
Japan
 
  • Nagasaki Prefecture
    • Iki City
      • Iki Islands
Kuwano & Tokumaru (1993)
  • Shimane Prefecture
    • Oki District
      • Okinoshima
        • Oki Islands
          • Nishinoshima
Matsuyama & Matsubara (2000)
New Zealand
 
  • Northland Region
    • Kaipara District
      • Aranga
Tschernich (1992)
Nicaragua
 
  • LeĂłn Department
    • Telica Volcano
Hynek et al. (2013, March) +1 other reference
Poland
 
  • Lower Silesian Voivodeship
    • LwĂłwek ƚląski County
      • Gmina Mirsk
Adamczyk Z. (2008)
Russia
 
  • Murmansk Oblast
    • Khibiny Massif
Pekov et al. (2004)
        • Kirovskii apatite mine
Pekov (2003)
    • Lovozersky District
Igor V. Pekov analytical data
Spain
 
  • Canary Islands
    • Las Palmas Province
      • Lanzarote
        • Yaiza
          • Playa Blanca
Betz (2019) +1 other reference
UK
 
  • Northern Ireland
    • Co. Antrim
Ryback et al. (1988)
      • Islandmagee
        • Gobbins
Nawaz et al. (1982) +1 other reference
        • Port Muck
Ryback et al. (1988) +1 other reference
Ryback et al. (1988) +1 other reference
      • Larne
        • Glynn (Glynn Hill)
          • Magheramorne
MinMag 58:615 +1 other reference
USA
 
  • Connecticut
    • Middlesex County
      • Portland
        • Collins Hill
          • Strickland pegmatite
Jarnot (2011)
  • Kentucky
    • Floyd County
Hower et al. (2013)
 
Mineral and/or Locality  
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