Erionite-Na (original) (raw)
A valid IMA mineral species - grandfathered
About Erionite-NaHide
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Formula:
(Na2,K2,Ca)2[Al4Si14O36] · 15H2O
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.
A zeolite difficult to distinguish from offretite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:6917:1
628293d7-2bca-4ed6-a4ff-e0e7b68cea3d
IMA Classification of Erionite-NaHide
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Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Na10[Si26Al10O72] · 30H2O
Classification of Erionite-NaHide
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9.GD.20
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Eri-Na | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Eri | Whitney & Evans (2010) | Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371 |
| Eri | Warr (2020) | Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30 |
Physical Properties of Erionite-NaHide
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Optical Data of Erionite-NaHide
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RI values:
_n_ω = 1.471 _n_ε = 1.474
δ = 0.003
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of Erionite-NaHide
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Mindat Formula:
(Na2,K2,Ca)2[Al4Si14O36] · 15H2O
Crystallography of Erionite-NaHide
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Class (H-M):
6/m m m _(_6/_m_2/_m_2/m ) - Dihexagonal Dipyramidal
Cell Parameters:
a = 13.214(3) Å, c = 15.048(4) Å
Unit Cell V:
2,275.51 ų (Calculated from Unit Cell)
Comment:
Cell parameters from Sheppard and Gude 1969; type material.
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0020041 | Erionite-Na | Cametti G, Pacella A, Mura F, Rossi M, Ballirano P (2013) New morphological, chemical, and structural data of woolly erionite-Na from Durkee, Oregon, U.S.A. American Mineralogist 98 2155-2163 | 2013 | Durkee, Oregon, USA | 0 | 293 |
CIF Raw Data - click here to close
Geological EnvironmentHide
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Type Occurrence of Erionite-NaHide
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Place of Conservation of Type Material:
Harvard Mineralogical Museum, Cambridge, Massachusetts, USA, number 86532 (type).
Muséum Nationale d’Histoire Naturelle, Paris, France, number 99218 (type).
Other Language Names for Erionite-NaHide
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Relationship of Erionite-Na to other SpeciesHide
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Other Members of this group:
| Erionite-Ca | (Ca,K2,Na2)2[Al4Si14O36] · 15H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
|---|---|---|
| Erionite-K | (K2,Ca,Na2)2[Al4Si14O36] · 15H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 9.GD.05 | Gmelinite-Ca | Ca2(Si8Al4)O24 · 11H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
|---|---|---|---|
| 9.GD.05 | Gmelinite-K | K4(Si8Al4O24) · 11H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.GD.05 | Gmelinite-Na | Na4(Si8Al4)O24 · 11H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.GD.10 | Willhendersonite | KCa[Al3Si3O12] · 5H2O | Tric. 1 : _P_1 |
| 9.GD.10 | Chabazite-Ca | (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O | Tric. 1 : _P_1 |
| 9.GD.10 | Chabazite-K | (K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2 · 12H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.GD.10 | Chabazite-Na | (Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O | Trig. 3_m_ : R_3_m |
| 9.GD.10 | Chabazite-Sr | Sr2[Al2Si4O12]2 · 12H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.GD.10 | Chabazite-Mg | (Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24] · 10H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.GD.15 | Lévyne-Ca | (Ca,Na2,K2)[Al2Si4O12] · 6H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.GD.15 | Lévyne-Na | (Na2,Ca,K2)[Al2Si4O12] · 6H2O | Trig. 3_m_ _(_32/m ) : R_3_m |
| 9.GD.20 | Bellbergite | (K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O | Hex. |
| 9.GD.20 | Erionite-Ca | (Ca,K2,Na2)2[Al4Si14O36] · 15H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.GD.20 | Erionite-K | (K2,Ca,Na2)2[Al4Si14O36] · 15H2O | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.GD.25 | Offretite | KCaMg(Si13Al5)O36 · 15H2O | Hex. 6_m_2 : _P_6_m_2 |
| 9.GD.25 | Wenkite | (Ba,K)4(Ca,Na)6[(Si,Al)20O39(OH)2](SO4)3 · 0.5H2O | Hex. 6_m_2 : P_62_m |
| 9.GD.30 | Faujasite-Ca | (Ca,Na2,Mg)3.5[Al7Si17O48] · 32H2O | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 9.GD.30 | Faujasite-Mg | (Mg,Na2,Ca)3.5[Al7Si17O48] · 32H2O | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 9.GD.30 | Faujasite-Na | (Na2,Ca,Mg)3.5[Al7Si17O48] · 32H2O | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 9.GD.35 | Maricopaite | Pb7Ca2(Si,Al)48O100 · 32H2O | Orth. |
| 9.GD.35 | Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O | Orth. |
| 9.GD.40 | Dachiardite-K | K4(Si20Al4O48) · 13H2O | Mon. |
| 9.GD.40 | Dachiardite-Ca | (Ca,Na2,K2)5Al10Si38O96 · 25H2O | Mon. 2/m : _B_2/m |
| 9.GD.40 | Dachiardite-Na | (Na2,Ca,K2)5Al10Si38O96 · 25H2O | Mon. 2/m : _B_2/m |
| 9.GD.45 | Epistilbite | CaAl2Si6O16 · 5H2O | Mon. |
| 9.GD.50 | Ferrierite-K | (K,Na)5(Si31Al5)O72 · 18H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : I m m m |
| 9.GD.50 | Ferrierite-Mg | [Mg2(K,Na)2Ca0.5](Si29Al7)O72 · 18H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
| 9.GD.50 | Ferrierite-Na | (Na,K)5(Si31Al5)O72 · 18H2O | Mon. 2/m |
| 9.GD.50 | Ferrierite-NH4 | (NH4,Mg0.5)5(Al5Si31O72) · 22H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : I m m m |
| 9.GD.55 | Bikitaite | LiAlSi2O6 · H2O | Tric. 1 : _P_1 |
Other InformationHide
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Health Risks:
Carcinogenic upon inhalation of its dust, due to its fibrous structure (Ref.: IARC Monography 42:225-239, 1987)
Internet Links for Erionite-NaHide
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References for Erionite-NaHide
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Reference List:
Gualtieri, A., Artioli, G., Passaglia, E., Bigi, S., Viani, A., Hanson, J. C. (1998) Crystal structure-crystal chemistry relationships in the zeolites erionite and offretite. American Mineralogist, 83 (5) 590-606 doi:10.2138/am-1998-5-619
Coombs, Douglas S., Albert, Alberto, Armbruster, Thomas, Artioli, Gilberto, Colella, Carmine, Galli, Ermanno, Grice, Joel D., Liebau, Friedrich, Mandarino, Joseph A., Minato, Hideo, Nickel, Ernest H., Passaglia, Elio, Peacor, Donald R., Quartier, Simona, Rinaldi, Romano, Ross, Malcolm, Sheppard, Richard A., Tillmanns, Ekkehart, Vezzalini, Giovanna (1998) Recommended nomenclature for zeolite minerals: Report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. European Journal of Mineralogy, 10 (5) 1037-1081 doi:10.1127/ejm/10/5/1037
Cametti, G., Pacella, A., Mura, F., Rossi, M., Ballirano, P. (2013) New morphological, chemical, and structural data of woolly erionite-Na from Durkee, Oregon, U.S.A. American Mineralogist, 98 (11) 2155-2163 doi:10.2138/am.2013.4474
Localities for Erionite-NaHide
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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
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