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Erionite-Na

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Formula:
(Na2,K2,Ca)2[Al4Si14O36] · 15H2O
System:
Hexagonal
Colour:
White
Lustre:
Vitreous
Hardness:
3½ - 4
Member of:
Name:
Named in 1898 by Arthur Starr Eakle from the Greek εριον meaning wool in allusion to the "wooly" appearance of the type material. Erionite was first found at the Durkee Fire Opal Mine, Swayze Creek, Durkee, Baker Co., Oregon (Tschernich, 1992). In modern nomenclature, the original erionite was erionite-Na, but potassium was nearly equal to sodium. Levinson Rule suffix added in allusion to Na dominant excangable cations.
Isostructural with:
A zeolite difficult to distinguish from offrétite.

Classification of Erionite-Na

Approved 1998
9.GD.20

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites
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http://www.mindat.org/min-6917.html
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Type Occurrence of Erionite-Na

Physical Properties of Erionite-Na

Vitreous
Colour:
White
Streak:
White
Hardness (Mohs):
3½ - 4

Crystallography of Erionite-Na

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mmc
Cell Parameters:
a = 13.15Å, c = 15.05Å
Ratio:
a:c = 1 : 1.144
Unit Cell Volume:
V 2,253.82 ų (Calculated from Unit Cell)

Optical Data of Erionite-Na

Type:
Uniaxial (+)
RI values:
nω = 1.471 nε = 1.474
Max Birefringence:
δ = 0.003
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Erionite-Na

Formula:
(Na2,K2,Ca)2[Al4Si14O36] · 15H2O
Essential elements:
All elements listed in formula:

Relationship of Erionite-Na to other Species

Member of:
Other Members of Group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2O
AmiciteK2Na2Al4Si4O16 · 5H2O
Ammonioleucite(NH4,K)(AlSi2O6)
AnalcimeNa2(Al2Si4O12) · 2H2O
Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2O
Beaumontite (of Lévy)
Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O
BikitaiteLiAlSi2O6 · H2O
BoggsiteCa8Na3(Si,Al)96O192 · 70H2O
Brewsterite
Brewsterite-Ba(Ba,Sr)[Al2Si6O16] · 5H2O
Brewsterite-Sr(Sr,Ba,Ca)[Al2Si6O16] · 5H2O
Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Chabazite-K(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Chabazite-Levyne Subgroup
Chabazite-Mg(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2O
Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
Chabazite-SrSr2[Al2Si4O12]2 · 12H2O
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2O
Clinoptilolite-Ca(Ca,Na,K)2-3Al3(Al,Si)2Si13O36 · 12H2O
Clinoptilolite-K(K,Na,Ca)2-3Al3(Al,Si)2Si13O36 · 12H2O
Clinoptilolite-Na(Na,K,Ca)2-3Al3(Al,Si)2Si13O36 · 12H2O
CowlesiteCaAl2Si3O10 · 6H2O
Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2O
Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2O
DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2O
EdingtoniteBa[Al2Si3O10] · 4H2O
EpistilbiteCaAl2Si6O16 · 5H2O
Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
Erionite-K(K2,Ca,Na2)2[Al4Si14O36] · 15H2O
Faujasite Subgroup
Faujasite-Ca(Ca,Na2,Mg)3.5[Al7Si17O48] · 32H2O
Faujasite-Mg(Mg,Na2,Ca)3.5[Al7Si17O48] · 32H2O
Faujasite-Na(Na2,Ca,Mg)3.5[Al7Si17O48] · 32H2O
Ferrierite
Ferrierite-K(K2,Na2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Ferrierite-Mg(Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
FerrochiavenniteCa1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2O
Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2O
GarroniteNa2Ca5Al12Si20O64 · 27H2O
GaultiteNa4Zn2Si7O18 · 5H2O
Gismondine
Gismondine-BaBa2Al4Si4O16 · 4-6H2O
Gismondine-CaCaAl2Si2O8 · 4H2O
Gmelinite
Gmelinite-CaCa2(Si8Al4O24] · 11H2O
Gmelinite-KK4(Si8Al4O24) · 11H2O
Gmelinite-NaNa4(Si8Al4O24] · 11H2O
GobbinsiteNa5(Si11Al5)O32 · 11H2O
Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
GoosecreekiteCa[Al2Si6O16] · 5H2O
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2O
Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
Heulandite-Ba(Ba,Ca,K,Na,Sr)5Al9Si27O72 · 22H2O
Heulandite-Ca(Ca,Na)2-3Al3(Al,Si)2Si13O36 · 12H2O
Heulandite-K(K,Na,Ca)2-3Al3(Al,Si)2Si13O36 · 12H2O
Heulandite-Na(Na,Ca)2-3Al3(Al,Si)2Si13O36 · 12H2O
Heulandite-Sr(Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36 · 12H2O
HsianghualiteCa3Li2(Be3Si3O12)F2
KirchhoffiteCs(BSi2O6)
LaumontiteCaAl2Si4O12 · 4H2O
LeuciteK(AlSi2O6)
Lévyne
Lévyne-Ca(Ca,Na2,K2)[Al2Si4O12] · 6H2O
Lévyne-Na(Na2,Ca,K2)[Al2Si4O12] · 6H2O
LovdariteK2Na6Be4Si14O36 · 9H2O
MaricopaitePb7Ca2(Si,Al)48O100 · 32H2O
Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Mazzite-NaNa8[Al4Si14O36]2 · 30H2O
Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O
MesoliteNa2Ca2Si9Al6O30 · 8H2O
Montesommaite(K,Na)9Al9Si23O64 · 10H2O
Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2O
MutinaiteNa3Ca4Si85Al11O192 · 60H2O
NabesiteNa2BeSi4O10 · 4H2O
NatroliteNa2Al2Si3O10 · 2H2O
Natrolite Subgroup
OffretiteKCaMg(Si13Al5)O36 · 15H2O
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2O
ParanatroliteNa2Al2Si3O10 · 3H2O
ParthéiteCa2(Si4Al4) O15 (OH)2•4H2O
Paulingite
Paulingite-Ca(Ca,K,Na,Ba,◻)10 (Si, Al)42O84•34H2O
Paulingite-K(K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2O
Paulingite-Na(Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2O
PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2O
Phillipsite-Ca(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32 . 12H2O
Phillipsite-K(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Phillipsite-Na(Na,K,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] · 12H2O
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2O
ScoleciteCaAl2Si3O10 · 3H2O
StelleriteCa4(Si28Al8)O72 · 28H2O
Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2O
Tetranatrolite
Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Thomsonite-SrNa(Sr,Ca)2[Al5Si5O20] · 7H2O
Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[(OH)2|Al3Si3O12]4 · nH2O
WairakiteCa(Al2Si4O12) · 2H2O
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2O
Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2O
WillhendersoniteKCa[Al3Si3O12] · 5H2O
YugawaraliteCaAl2Si6O16 · 4H2O
9.GD.05Gmelinite-CaCa2(Si8Al4O24] · 11H2O
9.GD.05Gmelinite-KK4(Si8Al4O24) · 11H2O
9.GD.05Gmelinite-NaNa4(Si8Al4O24] · 11H2O
9.GD.10WillhendersoniteKCa[Al3Si3O12] · 5H2O
9.GD.10Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
9.GD.10Chabazite-K(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2 · 12H2O
9.GD.10Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
9.GD.10Chabazite-SrSr2[Al2Si4O12]2 · 12H2O
9.GD.10Chabazite-Mg(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2O
9.GD.15Lévyne-Ca(Ca,Na2,K2)[Al2Si4O12] · 6H2O
9.GD.15Lévyne-Na(Na2,Ca,K2)[Al2Si4O12] · 6H2O
9.GD.20Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O
9.GD.20Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2O
9.GD.20Erionite-K(K2,Ca,Na2)2[Al4Si14O36] · 15H2O
9.GD.25OffretiteKCaMg(Si13Al5)O36 · 15H2O
9.GD.25Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2O
9.GD.30Faujasite-Ca(Ca,Na2,Mg)3.5[Al7Si17O48] · 32H2O
9.GD.30Faujasite-Mg(Mg,Na2,Ca)3.5[Al7Si17O48] · 32H2O
9.GD.30Faujasite-Na(Na2,Ca,Mg)3.5[Al7Si17O48] · 32H2O
9.GD.35MaricopaitePb7Ca2(Si,Al)48O100 · 32H2O
9.GD.35Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2O
9.GD.40Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2O
9.GD.40Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2O
9.GD.45EpistilbiteCaAl2Si6O16 · 5H2O
9.GD.50Ferrierite-K(K2,Na2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
9.GD.50Ferrierite-Mg(Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
9.GD.50Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2O
9.GD.55BikitaiteLiAlSi2O6 · H2O

Other Names for Erionite-Na

Name in Other Languages:

Other Information

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 Erionite-Na

Reference List:
Sheppard, R.A. and Gude, A.J. (1969b) Chemical composition and physical properties of the related zeolites offretite and erionite. American Mineralogist: 54: 875-886.

Gualtieri, A., G. Artioli, E. Passaglia, S. Bigi, A. Viani, and J.C. Hanson (1998): Crystal structure-crystal chemistry relationships in the zeolites erionite and offretite American Mineralogist: 83, 590-606.

Passaglia, E., G. Artioli, and A. Gualtieri (1998): Crystal chemistry of the zeolites erionite and offretite American Mineralogis: 83, 577-589.

European Journal of Mineralogy: 10 (1998), 1037.

Internet Links for Erionite-Na

Localities for Erionite-Na

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Antarctica
 
  • Eastern Antarctica
    • Terra Nova Bay
Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals:Environ Geochem Health 30:355-366
    • Victoria Land
Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals:Environ Geochem Health 30:355-366
Australia
 
  • Victoria
    • Flinders area
Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
Dogan,Umran and Dogan, Meral (2008) RE-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
Italy
 
  • Veneto
    • Vicenza Province
      • Montecchio Maggiore
        • San Pietro
Passaglia E., Artioli G., Gualtieri A. - Crystal chemistry of zeolites erionite and offretite. Amer. Mineral. (1998), Vol. 83, pp. 577-589.
Japan
 
  • Kyushu Region
    • Nagasaki Prefecture
      • Iki Island
M. Shimazu & T. Mizota, J. Japan. assoc. Min. Petr. Econ. Geol. 67:418-424 (1972)
Tanzania
 
  • Arusha Region
Dogan,Umran and Dogan,Meral(2008) Re-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
Turkey
 
  • Central Anatolia Region
    • Nevşehir Province
Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals,Environ Geochem Health 30:355-366
UK
 
  • Northern Ireland
    • Co. Antrim
      • Giant's Causeway
Passaglia E., Artioli G. and Gualtieri A. (1998): Crystal chemistry of the zeolites erionite and offretite. American Mineralogist 83, 577-589; Jaroslaw Skupiewski.RRUFF database-specimen I.D R061126
USA (TL)
 
  • California
    • San Bernardino Co.
Am.Min. 83 (1998), 577
  • North Dakota
    • Dunn Co.
USGS Open File report 10-1286
  • Oregon
    • Baker Co.
      • Durkee
A. Eakle (1898)
    • Malheur Co.
Dogan,Umran and Dogan,Meral (2008) Re-evaluation and re-classification of erionite series minerals, Environ Geochem Health 30:355-366
Mineral and/or Locality  
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