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Garronite-Ca

A valid IMA mineral species
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About Garronite-CaHide

Formula:
Na2Ca5Al12Si20O64 · 27H2O
Colour:
White
Lustre:
Vitreous
Hardness:
4 - 5
Specific Gravity:
2.13 - 2.17
Crystal System:
Tetragonal
Name:
Named after the type locality (Garron Plateau, Co. Antrim, Northern Ireland). Renamed as garronite-Ca, when the species garronite-Na was approved by IMA in 2015.
Forms a series with Garronite-Na


Unique IdentifiersHide

Mindat ID:
1653
Long-form identifier:
mindat:1:1:1653:3
GUID
(UUID V4):
f7421124-bbef-4a56-90c8-277116ac80f1

IMA Classification of Garronite-CaHide

Approved
IMA Formula:
Ca3(Al6Si10O32) · 14H2O
First published:
1962

Classification of Garronite-CaHide

9.GC.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
C : Chains of doubly-connected 4-membered rings
77.1.3.3

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
16.10.8

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

Physical Properties of Garronite-CaHide

Vitreous
Colour:
White
Streak:
White
Hardness:
4 - 5 on Mohs scale
Density:
2.13 - 2.17 g/cm3 (Measured)    2.201 g/cm3 (Calculated)

Optical Data of Garronite-CaHide

Type:
Biaxial
Dispersion:
none

Chemistry of Garronite-CaHide

Mindat Formula:
Na2Ca5Al12Si20O64 · 27H2O
Common Impurities:
Fe,Ba,K

Chemical AnalysisHide

Crystallography of Garronite-CaHide

Crystal System:
Tetragonal
Class (H-M):
4 2m - Scalenohedral
Space Group:
I4m2
Cell Parameters:
a = 9.9266(2) Å, c = 10.3031(3) Å
Ratio:
a:c = 1 : 1.038
Unit Cell V:
1,015.24 ų (Calculated from Unit Cell)
Morphology:
Radiating aggregates filling voids. Rarely dipyramidal, indistinct crystals.
Twinning:
Observed optically on a very fine scale; possibly a domain structure.
Comment:
Z = 0.5. Possibly orthorhombic, pseudo-tetragonal.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0001442Garronite-CaArtioli G (1992) The crystal structure of garronite American Mineralogist 77 189-1961992Goble, Oregon0293
0001443Garronite-CaArtioli G (1992) The crystal structure of garronite American Mineralogist 77 189-1961992Fara Vicentina, Italy0293
0006644Garronite-CaSchropfer L, Joswig W (1997) Structure analyses of a partially dehydrated synthetic Ca-garronite single crystal under different T, pH2O conditions European Journal of Mineralogy 9 53-661997synthetic0298
0006645Garronite-CaSchropfer L, Joswig W (1997) Structure analyses of a partially dehydrated synthetic Ca-garronite single crystal under different T, pH2O conditions European Journal of Mineralogy 9 53-661997synthetic0298
0006646Garronite-CaSchropfer L, Joswig W (1997) Structure analyses of a partially dehydrated synthetic Ca-garronite single crystal under different T, pH2O conditions European Journal of Mineralogy 9 53-661997synthetic0418
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
4.12 Å(100)
3.14 Å(100)
2.66 Å(100)
7.15 Å(80)
4.95 Å(80)
4.07 Å(60)
3.22 Å(60)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)

Type Occurrence of Garronite-CaHide

General Appearance of Type Material:
Radiating aggregates completely filling amygdales, to 2 cm.
Geological Setting of Type Material:
In amygdales in basalt
Associated Minerals at Type Locality:
Reference:
Walker, G.P.L. (1962) Garronite, a new zeolite, from Ireland and Iceland. Mineralogical Magazine: 33: 173-186.

Other Language Names for Garronite-CaHide

Relationship of Garronite-Ca to other SpeciesHide

Other Members of this group:
Garronite-NaNa6(Al6Si10O32) · 8.5H2OMon. 2

Common AssociatesHide

Associated Minerals Based on Photo Data:
19 photos of Garronite-Ca associated with AnalcimeNa(AlSi2O6) · H2O
11 photos of Garronite-Ca associated with Phillipsite Subgroup
5 photos of Garronite-Ca associated with Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
3 photos of Garronite-Ca associated with Basalt
2 photos of Garronite-Ca associated with Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
2 photos of Garronite-Ca associated with Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
1 photo of Garronite-Ca associated with AlbiteNa(AlSi3O8)
1 photo of Garronite-Ca associated with CowlesiteCaAl2Si3O10 · 6H2O
1 photo of Garronite-Ca associated with Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
1 photo of Garronite-Ca associated with PrehniteCa2Al2Si3O10(OH)2

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.05Gismondine-CaCaAl2Si2O8 · 4H2OMon. 2/m : P21/b
9.GC.05GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth. mmm (2/m 2/m 2/m) : Pnma
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 Garronite-CaHide

References for Garronite-CaHide

Localities for Garronite-CaHide

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.
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
      • Mawson Glacier
Tschernich (1992)
Canada
 
  • Ontario
    • Hastings County
      • Town of Bancroft
        • Dungannon Township
Rocks&Min 66:44-45 +1 other reference
    • Renfrew County
      • Brudenell-Lyndoch-and-Raglan
        • Brudenell Township
Van Velthuizen et al. (2006)
  • Québec
    • Abitibi-Témiscamingue
      • La Vallée-de-l'Or RCM
        • Réservoir-Dozois
Hudon et al. (2006)
    • Laurentides
      • Argenteuil RCM
        • Wentworth
          • Laurel
Tschernich (1992)
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
History +1 other reference
    • Montréal
Tarassoff et al. (2006)
Costa Rica
 
  • San José Province
    • Puriscal Canton
      • Candelarita District
Micro Probe Volume VII Number 7 Spring ... +1 other reference
Czech Republic
 
  • Ústí nad Labem Region
    • Děčín District
      • Česká Kamenice
Pauliš et al. (2015) +1 other reference
France
 
  • Auvergne-Rhône-Alpes
    • Puy-de-Dôme
      • Issoire
        • Gignat
Pongiluppi D (1976)
  • Réunion
Bull. Minéral. +1 other reference
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Tuttlingen
        • Immendingen
Tschernich (1992)
  • Bavaria
    • Lower Franconia
      • Haßberge District
        • Maroldsweisach
Wittern (2001)
  • Rhineland-Palatinate
    • Ahrweiler
      • Brohltal
        • Wehr
Hentschel (1983)
Hungary
 
  • Veszprém County
    • Tapolca District
      • Uzsa
Szakáll & Gatter: Hun. Min. Spec.
      • Zalahaláp
Szakáll & Gatter: Hun. Min.Spec. +1 other reference
Iceland
 
  • Eastern Region
Betz (1981)
    • Fjarðabyggð
      • Breiðdalur
Walker (1962)
Walker (1962)
Walker (1962)
Walker (1962)
Walker (1962)
Walker (1962)
      • Mjóifjörður
Walker (1962)
      • Reyðarfjörður
Walker (1962)
Walker (1962) +1 other reference
Walker (1962)
      • Stödvarfjörđur
Walker (1962)
Walker (1962)
    • Múlaþing
      • Djúpavogshreppur
        • Berufjörður
Walker (1962)
Walker (1962)
Walker (1962)
Mineralogical Magazine 1962 33 : ...
Walker (1962)
      • Fljótsdalshérað
Walker (1962)
Walker (1962)
      • Seyðisfjörður
Walker (1962)
Walker (1962)
Walker (1962)
Selbekk et al. (2004)
  • Westfjords
    • Strandabyggð
      • Kollafjörður
Zeolite collection of Volker Betz
Israel
 
  • Southern District (HaDarom District)
    • Dead Sea
Kruszewski et al. (2021)
Italy
 
  • Veneto
    • Verona Province
      • Soave
- (n.d.)
    • Vicenza Province
      • Fara Vicentino
        • Chiavon Nero creek
Passaglia et al. (1992) +3 other references
- (n.d.) +2 other references
      • Salcedo
Boscardin et al. (2011) +2 other references
Japan
 
  • Shimane Prefecture
    • Oki District
      • Okinoshima
        • Oki Islands
          • Nishinoshima
Matsuyama et al (2005)
Portugal
 
  • Madeira
    • Madeira Island
      • Santana
        • São Roque do Faial
Pedro Alves collection and analytical ...
Slovakia
 
  • Prešov Region
    • Prešov District
      • Fintice
Ďuďa
Spain
 
  • Valencian Community
    • Alicante
      • Calp /Calpe
Calvo (2019)
UK
 
  • Northern Ireland
    • Co. Antrim
      • Belfast
        • Squire's Hill
Walker (1962)
      • Garron Plateau
G. P. L. Walker (1960) +2 other references
      • Glenarm
Walker (1962)
Walker (1962)
      • Larne
        • Glynn (Glynn Hill)
          • Magheramorne
Artioli et al. (1994)
        • Kilwaughter Castle
Walker (1962)
Walker (1962)
Walker (1962)
      • Waterfoot
Walker (1962)
Trevor Boyd Collection +1 other reference
      • Whitehead
Walker (1962)
Walker (1962)
  • Scotland
    • Highland
      • Eilean á Chèo
        • Isle of Skye
          • Duirinish
            • Dunvegan
Museum Victoria Specimen No. M47717
          • Trotternish
            • Portree
[Specimen in the Natural History Museum
USA
 
  • Arizona
    • Pinal County
      • Superior area
        • adjacent to State Route 177
Tschernich (1992) +1 other reference
  • Colorado
    • Jefferson County
      • Golden Mining District
        • Golden
Rocks & Minerals 79:4
Wilson (1988)
  • Oregon
    • Columbia County
      • Goble
Micro Probe Vol. 6 No. 5 Fall 1987 +1 other reference
    • Lake County
Micro Probe Vol. 7 No. 9 Spring 1994
    • Wallowa County
      • Joseph
        • Aneroid Lake
Micro Probe Volume VI Number 4
    • Wheeler County
      • Spray
Micro Probe VolumeVII Number 3 Spring ...
  • Washington
    • Clark County
      • Yacolt
Tschernich (1992)
 
Mineral and/or Locality  
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