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Gmelinite-K

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About Gmelinite-KHide

06792690014947700282475.jpg
Christian Gottlob Gmelin
Formula:
K4(Si8Al4O24) · 11H2O
Lustre:
Vitreous
Hardness:
Crystal System:
Hexagonal
Name:
Named after the German mineralogist and chemist, Christian Gottlob Gmelin (1792-1860) of Tübingen, Germany.
This page provides mineralogical data about Gmelinite-K.


Classification of Gmelinite-KHide

Approved
9.GD.05

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites

Physical Properties of Gmelinite-KHide

Vitreous
Hardness:
4½ on Mohs scale

Optical Data of Gmelinite-KHide

Type:
Uniaxial (+/-)
RI values:
nα = 1.472 nβ = 1.477
Max Birefringence:
δ = 1.472
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Gmelinite-KHide

Formula:
K4(Si8Al4O24) · 11H2O
IMA Formula:
K4(Si8Al4)O24 · 11H2O

Crystallography of Gmelinite-KHide

Crystal System:
Hexagonal

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0015872Gmelinite-KSacerdoti M, Passaglia E, Carnevali R (1995) Structural refinements of Na-, K-, and Ca-exchanged gmelinites Zeolites 15 276-2811995Queensland, Australia0293
CIF Raw Data - click here to close

Type Occurrence of Gmelinite-KHide

Synonyms of Gmelinite-KHide

Other Language Names for Gmelinite-KHide

Simplified Chinese:钾菱沸石

Relationship of Gmelinite-K to other SpeciesHide

Other Members of this group:
Gmelinite-CaCa2(Si8Al4O24] · 11H2OHex.
Gmelinite-NaNa4(Si8Al4O24] · 11H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc

Common AssociatesHide

Associated Minerals Based on Photo Data:
14 photos of Gmelinite-K associated with AnalcimeNa(AlSi2O6) · H2O
8 photos of Gmelinite-K associated with Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
5 photos of Gmelinite-K associated with UssingiteNa2AlSi3O8OH
4 photos of Gmelinite-K associated with Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
3 photos of Gmelinite-K associated with SeranditeNaMn2+2Si3O8(OH)
3 photos of Gmelinite-K associated with VuonnemiteNa11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH)
3 photos of Gmelinite-K associated with NatroliteNa2Al2Si3O10 · 2H2O
2 photos of Gmelinite-K associated with UmbozeriteNa3Sr4Th[Si(O,OH)3-4]8
2 photos of Gmelinite-K associated with Belovite-(Ce)NaCeSr3(PO4)3F
1 photo of Gmelinite-K associated with Neotocite(Mn,Fe,Mg)SiO3 · H2O

Related Minerals - Nickel-Strunz GroupingHide

9.GD.05Gmelinite-CaCa2(Si8Al4O24] · 11H2OHex.
9.GD.05Gmelinite-NaNa4(Si8Al4O24] · 11H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.10WillhendersoniteKCa[Al3Si3O12] · 5H2OTric.
9.GD.10Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2OTric. 1 : P1
9.GD.10Chabazite-K(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2 · 12H2OTrig. 3m (3 2/m) : R3m
9.GD.10Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2OHex.
9.GD.10Chabazite-SrSr2[Al2Si4O12]2 · 12H2OTrig. 3m (3 2/m) : R3m
9.GD.10Chabazite-Mg(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2O Trig. 3m (3 2/m) : R3m
9.GD.15Lévyne-Ca(Ca,Na2,K2)[Al2Si4O12] · 6H2OTrig. 3m (3 2/m) : R3m
9.GD.15Lévyne-Na(Na2,Ca,K2)[Al2Si4O12] · 6H2OTrig.
9.GD.20Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2OHex.
9.GD.20Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.20Erionite-K(K2,Ca,Na2)2[Al4Si14O36] · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.20Erionite-Na(Na2,K2,Ca)2[Al4Si14O36] · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.25OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
9.GD.25Wenkite(Ba,K)4(Ca,Na)6[(Si,Al)20O39(OH)2](SO4)3 · 0.5H2OHex.
9.GD.30Faujasite-Ca(Ca,Na2,Mg)3.5[Al7Si17O48] · 32H2OIso.
9.GD.30Faujasite-Mg(Mg,Na2,Ca)3.5[Al7Si17O48] · 32H2OIso.
9.GD.30Faujasite-Na(Na2,Ca,Mg)3.5[Al7Si17O48] · 32H2OIso.
9.GD.35MaricopaitePb7Ca2(Si,Al)48O100 · 32H2OOrth.
9.GD.35Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2OOrth.
9.GD.40Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2OMon.
9.GD.40Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2OMon.
9.GD.45EpistilbiteCaAl2Si6O16 · 5H2OMon.
9.GD.50Ferrierite-K(K2,Na2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2OOrth.
9.GD.50Ferrierite-Mg(Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2OOrth.
9.GD.50Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2OMon. 2/m
9.GD.55BikitaiteLiAlSi2O6 · H2OTric. 1 : P1

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 Gmelinite-KHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 130(3): 65-71.

Internet Links for Gmelinite-KHide

Localities for Gmelinite-KHide

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.
Italy
 
  • Veneto
    • Vicenza Province
Neues Jahrb. Mineral., Monatsh., 504; Can. Mineral. (1997) 35, 1571
        • San Giorgio di Perlena
Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Rivista Mineralogica Italiana vol.17 fasc.2 1994,pp.131-136 Studi e Ricerche Associazione Amici del Museo- Museo Civico "G.Zannato" Montecchio Maggiore (VI) 18 Dicembre 1997,pp. 45-48
Russia (TL)
 
  • Murmansk Oblast
    • Lovozersky District
ZVMO (2001) 130/3, 65-71; Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
        • Umbozero mine (Umbozerskii mine; Umba Mine)
Pavel M. Kartashov analytical data
      • Malyi Punkaruaiv Mountain
Tony Nikischer
Spain
 
  • Canary Islands
    • Las Palmas Province
      • Gran Canaria
Zeolite collection of Volker Betz
 
Mineral and/or Locality  
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