Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Offretite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
KCaMgAl5Si13O36 · 16H2O or near
System:
Hexagonal
Hardness:
4 - 4½
Member of:
Zeolite Group.

A zeolite difficult to distinguish from Erionite.

NOTE: The zeolite mineral species epitaxially overgrown on lévyne in all cases is identified as erionite (Passaglia et al., 1998).

Classification of Offretite

Approved
9.GD.25

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites
77.1.2.4

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
16.10.23

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis
mindat.org URL:
http://www.mindat.org/min-2960.html
Please feel free to link to this page.

First Recorded Occurrence of Offretite

Year of Discovery:
1890

Physical Properties of Offretite

Hardness (Mohs):
4 - 4½

Crystallography of Offretite

Crystal System:
Hexagonal
Class (H-M):
6 m2 - Ditrigonal Dipyramidal
Space Group:
P6m2
Cell Parameters:
a = 13.29Å, c = 7.58Å
Ratio:
a:c = 1 : 0.57
Unit Cell Volume:
V 1,159.44 ų (Calculated from Unit Cell)

Epitaxial Relationships of Offretite

Epitaxial Minerals:

Optical Data of Offretite

Type:
Uniaxial (-)
RI values:
nω = 1.489 - 1.495 nε = 1.486 - 1.492
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 Offretite

Formula:
KCaMgAl5Si13O36 · 16H2O or near
Essential elements:
All elements listed in formula:
Common Impurities:
Mg

Relationship of Offretite 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
Erionite-Na(Na2,K2,Ca)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-Ca(Ca,Na2)[Al2Si4O12] · 6H2O
Gmelinite-K(K2,Na2,Ca)[Al2Si4O12] · 6H2O
Gmelinite-Na(Na2,Ca)[Al2Si4O12] · 6H2O
GobbinsiteNa4(Ca,Mg,K2)Al6Si10O32 · 12H2O
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
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2O
ParanatroliteNa2Al2Si3O10 · 3H2O
ParthéiteCaAl2Si2O8 · 2H2O
Paulingite
Paulingite-Ca(Ca,K2,Na2,Ba)5[Al10Si35O90] · 45H2O
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
StrontiohurlbutiteSrBe2(PO4)2
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-Ca(Ca,Na2)[Al2Si4O12] · 6H2O
9.GD.05Gmelinite-K(K2,Na2,Ca)[Al2Si4O12] · 6H2O
9.GD.05Gmelinite-Na(Na2,Ca)[Al2Si4O12] · 6H2O
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.20Erionite-Na(Na2,K2,Ca)2[Al4Si14O36] · 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
16.10.1Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
16.10.2LisetiteCaNa2Al4Si4O16
16.10.4Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
16.10.5Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
16.10.6MesoliteNa2Ca2Si9Al6O30 · 8H2O
16.10.7Faujasite
16.10.8GarroniteNa2Ca5Al12Si20O64 · 27H2O
16.10.9BoggsiteCa8Na3(Si,Al)96O192 · 70H2O
16.10.10Herschelite
16.10.11Phillipsite
16.10.12Fedorite(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2O
16.10.13WillhendersoniteKCa[Al3Si3O12] · 5H2O
16.10.14Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2O
16.10.15Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2O
16.10.16Reyerite(Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2O
16.10.17Lévyne
16.10.18Clinoptilolite
16.10.19Heulandite
16.10.20GobbinsiteNa4(Ca,Mg,K2)Al6Si10O32 · 12H2O
16.10.21Stilbite
16.10.22Dachiardite
16.10.24PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2O
16.10.25Erionite
16.10.26Paulingite
16.10.27Sodium Dachiardite(Na2,Ca,K2)4-5Al8Si40O96 · 26H2O
16.10.28Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
16.10.29RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2O

Other Names for Offretite

Name in Other Languages:
German:Offretit
Spanish:Offretita

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 Offretite

Reference List:
Sheppard, R.A. and Gude, A.J. (1969) 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 Mineralogist: 83: 577-589.

Internet Links for Offretite

Specimens:
The following Offretite specimens are currently listed for sale on minfind.com.

Localities for Offretite

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.
Argentina
 
  • Chubut
    • Futaleufú Department
R. S. Bowman and S. E. Delap (Eds.) Zeolite ’06—7th International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites Socorro, New Mexico USA, 16–21 July 2006 p 242
Australia
 
  • New South Wales
    • Brisbane Co.
      • Merriwa
Min Rec (1988) 19:389-406
    • Buckland Co.
England, B. M. (1996): Zeolites and associated minerals from Borambil, New South Wales, Australia. Austral. J. Mineral. 2, 11-20.
England, B. M. (2002): Zeolites and associated minerals from the Krui Valley, Merriwa, New South Wales. Austral. J. Mineral. 8, 61-71.
  • Queensland
    • Lockyer Valley Region
      • Gatton Valley
Brian Camey
  • Tasmania
    • Devonport district
http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
    • Moina District (Middlesex District)
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
  • Victoria
    • Baw Baw Shire
      • Jindivick
Tschernich, R. (1992): Zeolites of the World, p.49; W.D.Birch 1987. Zeolites from Jindivick, Victoria. Australian Mineralogist, July 1987, pp. 15-19; Haupt,J. (1989) Chapter 4: South Gippsland,59-65 in: Birch, W.D. (Ed.) Zeolites of Victoria,101 pp, Melbourne, 1989
      • Willow Grove
    • Flinders area
Tschernich, R. (1992): Zeolites of the World, p.49
Min Rec 17:6 p377-379
    • Phillip Island
Zeolites of Victoria, 1989, W. D. Birch (Ed)
    • Wellington Shire
      • Howitt Plains
Austria
 
  • Styria
    • Bad Radkersburg
      • Klöch
"Aus der Tiefe der Vulkane", Fritz-Jandl-Postl (2011)
Canada
 
  • British Columbia
    • Kamloops Mining Division
      • Monte Lake
        • Monte Hills
Tschernich, R. (1992): Zeolites of the World, p.99, 385
      • Westwold
Tschernich, R. (1992): Zeolites of the World, p.98, 385
    • Similkameen Mining Division
      • Coalmont
Tschernich, R. (1992): Zeolites of the World, p.300,385
Costa Rica
 
  • Guanacaste Province
Micro Probe Vol 7 No. 7 Spring 1993
  • Limón Province
Tschernich, R. (1992): Zeolites of the World, p.101,301,323,362,386,415,494; Micro Probe Volume VII Number 7 Spring 1993
  • San José Province
    • Bajo Chacones
Micro Probe Volume VII Number 7 Spring 1993
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Kladno
Zacek, V., Oplustil, S., Mayova, A. & Meyer, F. R. (1995): Die Mineralien von Kladno in Mittelböhmen, Tschechische Republik. Mineralien-Welt 6 (1), 13-30 (in German).; Pauliš, P.: Nejzajímavější mineralogická naleziště Čech. Kutná Hora: Kuttna, 2000, s. 84-85.; in the collection of Christof Schäfer
      • Mladá Boleslav
        • Bela pod Bezdezem
Ing. O. Janeček - New localities of Offretite and Cowlesite
    • Hradec Králové Region
      • Jičín (Jitschin; Gitschin)
        • Stupná
Veselovský, F., Rychlý, R.: Offretit a harmotom z lokality Stupná u Nové Paky. Časopis pro mineralogii a geologii, 1988, roč. 33, č. 1, s. 109-110.
    • Karlovy Vary Region
      • Podbořany (Podersam)
Offretite from quarry Vrbička near Doupov in Doupovské hory Mts. (Czech Republic) Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 2013
    • Liberec Region
      • Česká Lípa (Böhmisch Leipa)
L.Hrůzek,O.Janeček
L.Hrůzek.O.Janeček-Personal reference
L.Hrůzek,O.Janeček-Personal references 2012
Petr Fuchs, ing. Oldřich Janeček
J.E.Hibsch-Die Minerale des Böhmischen Mittelgebirges (Jena 1934);
O.Janeček,L.Hrůzek-Personal reference (2011)
    • Ústí Region
      • Děčín (Tetschen)
        • Česká Kamenice
Levyn a další zeolity z Hackenbergu u České Kamenice
L.Hrůzek,O.Janeček-Zapomenutá zeolitová lokalita Eschlers Bergl u Kunratic u České Kamenice,mag.Minerál 2013/6; L.Hrůzek,O.Janeček,P.Fuchs-Zapomenutá zeolitová lokalita Eschlers Bergl u Kunratic u České Kamenice.mag.Minerál 2013/6
O.Janeček,L.Hrůzek-Zapomenutá lokalita Malá Hůrka u Č.Kamenice.čas.Minerál 3-2009
O.Janeček,L.Hrůzek; L.Hrůzek,O.Janeček(2013)Nová lokalita zeolitů Rollberg u Kunratic u České Kamenice.mag.Minerál 2013/6
L.Hrůzek-Personal reference
          • Líska
Janeček O.,Hrůzek L.,Ekrt B.: Nové nálezy zeolitů na Zlatém a Stříbrném vrchu u Lísky u České Kamenice. Minerál, 2013, 21, 6, 528-534.
L.Hrůzek,O.Janeček-Personal reference
Libor Hruzek
L.Hrůzek-Personal Reference
      • Litoměřice
M.Radoň-Významné mineralogické lokality Českého středohoří (čas.Minerál 2/2009)
M.Radoň-Významné mineralogické lokality Českého středohoří (čas.Minerál 2/2009)
Finland
 
  • Western and Inner Finland Region
Lehtinen, Martti 19976. Lake Lappajärvi, a meteorite impact site in western Finland. Geological Survey of Finland, Bulletin 282.
France
 
  • Auvergne
    • Cantal
      • Murat
        • Laveissière
          • La Grange de Ganilh
P & E Médard collection
    • Haute-Loire
      • Yssingeaux
        • Araules
Pongiluppi D. (1976) Offretite, garronite and other zeolites from "Central Massif", France. Bull. SFMC, 99: 322-327
        • Le Mazet-Saint-Voy
Medard E (2010): zeolithes from central france . article Mindat
  • Midi-Pyrénées
    • Aveyron
      • Mostuejouls
Boisson, J.-M. & Leconte, J. (2014): Analyses 2012-2013 MNHN-MICROMONTEURS. La revue de Micromonteurs, 21.
      • Sainte-Geneviève-sur-Argence
        • Le Bousquet d'Orlaguet
JR & C EYTIER collection
  • Rhône-Alpes
    • Ardèche
      • Saint-Martin-de-Valamas
        • Borée
P & E Médard collection
      • Villeneuve-de-Berg
        • Saint-Jean-le-Centenier
E. Passaglia et al. , Bull. Minéral. , 1985, 108, pp. 719-724. see also : http://membres.lycos.fr/volcanogeol/prismation/sites_france.htm
    • Loire
      • Saint-Georges-en-Couzan
        • Châtelneuf
C.R.Acad.Sci.Paris,(1890) 111, 1002-1003
French Southern and Antarctic Lands
 
  • Kerguelen Islands
Giret, A., Verdier, O. & Nativel, P. (1992). The zeolitisation of Kerguelen Islands, Southern Indian Ocean. In: Yoshida, Y., et al. (eds) Recent Progress in Antarctic Earth Science, Tokyo: Terra Publishing 32, 1–36. Co., pp. 457–463.
Germany
 
  • Baden-Württemberg
    • Hegau
      • Immendingen
in the collection of Christof Schäfer
    • Kaiserstuhl
      • Sasbach
Bega photo
WEISENBERGER, T. & SPÜRGIN, S. (2009): Zeolites in alkaline rocks of the Kaiserstuhl Volcanic Complex, SW Germany – new microprobe investigation and the relationship of zeolite mineralogy to the host rock. Geologica Belgica, 12, 75-91. [http://popups.ulg.ac.be/Geol/document.php?id=2682
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Kemnath
          • Weha
Keck, E. (2010): Zwei neue Harmotomvorkommen aus dem Kemnather Vulkanfeld in der Oberpfalz. Aufschluss 61, 261-269.
        • Marktredwitz
          • Pechbrunn
Weiss: "Mineralfundstellen, Deutschland West", 1990
      • Maroldsweisach
Wittern: "Mineralfundorte in Deutschland", 2001
    • Upper Palatinate
      • Kemnath
        • Atzmannsberg
http://www.vfmg-weiden.de/min.htm
      • Wiesau
        • Triebendorf
Pöllmann, H., (1990): Mineralparagenesen im Nephelinbasanit von Triebendorf/ Opf., Der Aufschluss, Vol. 41(4), 219-226
  • Hesse
    • Gießen (Giessen)
      • Annerod
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Großen-Buseck
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Odenwald
      • Roßdorf
PETITJEAN collection
    • Vogelsberg
      • Gedern
      • Herbstein
      • Hungen
        • Langd
        • Oberwiddersheim
      • Ortenberg
      • Schotten
        • Gonterskirchen
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • North Rhine-Westphalia
    • Siegerland
      • Neunkirchen
        • Salchendorf
Klein, E. (1999): Ein Basanit-Vorkommen nordwestlich von Salchendorf bei Neunkirchen / Siegerland. Der Aufschluss, 50, 203-206.
  • Rhineland-Palatinate
    • Eifel
      • Hillesheim
        • Zilsdorf
Hentschel, G., Neue Mineralfunde aus Mineralvorkommen der Eifel, Mainzer geowiss. Mitt., 87-90, 1982
      • Mayen
        • Ettringen
          • Bellerberg volcano
Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
    • Westerwald
      • Hundsangen
Zeolite collection of Volker Betz
      • Linz am Rhein
        • Kalenborn
Passaglia, E., Gualtieri, A., Marchi, E. (2001): The crystal chemistry of Paulingite, European Journal of Mineralogy. Vol. 13, 113-119
Hungary
 
  • Nógrád Co.
    • Karancs-Medves Mts
      • Somoskő
Szakáll: 100 Hungarian Mineral Locality, 2004
  • Veszprém Co.
    • Balaton Uplands
      • Bazsi
Mineral Species of Hungary, 2005
        • Prága Hill
KOVÁCS-PÁLFFY, P. et al. (2005): A Karikás-tető (Prága-hegy, Balaton-felvidék) bazaltjának üregkitöltő ásványai [The cavity filling minerals of the basalt from Karikás-tető (Prága Hill, Balaton Highland, Transdanubia)]. A Magyar Állami Földtani Intézet Évi Jelentése, 95-118. [http://www.mafi.hu/microsites/EJ_digi/EJ_2005PDF/Kovacs_Palffy.pdf]
Italy
 
  • Lombardy
    • Brescia Province
      • Adamello-Brenta Natural Park
        • Adamello Massif
          • Alta Val Saviore
Guastoni, A., Dugnami, M., Pezzotta, F., Bardelli, (2002): Offretite del lago d'Arno in alta Val Saviore, Parco dell'Adamello (BS). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, 143, 195-207.
          • Mt. Foppa
E. Passaglia and A. Tagliavini : "Chabazite-offretite epitaxial overgrowths in cornubianite from Passo Forcel Rosso, Adamello, Italy", European Journal of Mineralogy, 1994, Vol. 6, N° 3, pp. 397-405.
  • Veneto
    • Verona Province
      • Soave
M.Mattioli, M.Cenni, G.Raffaelli (2008): I minerali del veronese,le mineralizzazioni secondarie delle rocce vulcaniche dei Monti Lessini. Memorie del Museo Civico di Storia Naturale di Verona, II serie - Sezione Scienze della Terra 7 - 2008, 147-153
Boscardin, M., Checchi, A., Filippi, F., Guglielmino, S., Pegoraro, S., Pretto, G., Zattra, A. (1998): Offrétite del Veneto. Rivista Mineralogica Italiana, 22(1), 25-29. Passaglia, E., Tagliavini. A., Gutoni, R. (1996): Offrétite and other zeolites from Fittà (Verona, Italy). Neues Jahrbuch für Mineralogie, Monatshefte, 1996(9), 418-428.
      • Vestenanuova
M.Mattioli, M.Cenni, G.Raffaelli (2008): I Minerali del Veronese - Le mineralizzazioni secondarie delle rocce vulcaniche dei Monti Lessini. Memorie del Museo Civico di Storia Naturale di Verona, II° serie - sezione Scienze della Terra 7 - 2008, 196
    • Vicenza Province
      • Chiampo
        • East Lessini Mts.
          • Roccolo Pass
Daleffe, A. & Boscardin, M. (2005): Offretite di Passo Roccolo tra Chiampo e S. Giovanni Ilarione (Lessini orientali). Studi e Ricerche - Associazione Amici del Museo - Museo Civico "G. Zannato" Montecchio Maggiore (Vicenza), 12, 57-59.
      • Montorso Vicentino
        • Case Nori
- M.Boscardin, A.Checchi,F.Filippi,S.Guglielmino,S.Pegoraro, G.Pretto & A.Zattra (1998) -Offretite del Veneto- Rivista Mineralogica Italiana, 22, (1),25 - 29.
      • San Pietro Mussolino
Studi e Ricerche - Associazione Amici del Museo - Museo Civico "G.Zannato" Montecchio Maggiore (VI) 18 Dicembre 1997 , pp. 39 - 43
      • Valdagno
        • Cerealto
Boscardin, M., Checchi, A., Filippi, F., Guglielmino, S., Pegoraro, S., Pretto, G., Zattra, A. (1998): Offretite del Veneto. Rivista Mineralogica Italiana, 1/1998, 25-30.
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
New Zealand
 
  • North Island
    • Auckland
NZ Zeolite list and locations. Neville Berkahn, New Zealand Micromineral Group, December 2006
Rod Martin personal collection
NZ Zeolite list and locations. Neville Berkahn, New Zealand Micromounters Group, December 2006.
  • South Island
    • Marlborough
J. Thornton. Zeolites and other minerals on Middlehurst Station. Essence of Microscope (NZ)
Essence of Micro-Scope, Lookout volcanics, Mt Lookout and Upcot Stations. 2009
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Jawor District
Eligiusz Szełęg private collection
Spain
 
  • Canary Islands
    • Las Palmas Province
      • Fuerteventura
        • Pájara
Tschernich, R. (1992): Zeolites of the World, p. 101, 192, 362, 386, 415.
      • Gran Canaria (Grand Canary)
        • Tasarte
in the collection of Christof Schäfer
      • Lanzarote
        • Yaiza
          • Playa Blanca
Tschernich, R. (1992): Zeolites of the World, p. 52, 101, 301, 323, 362, 386, 415, 493.
UK
 
  • Scotland
    • North West Highlands (Inverness-shire)
      • Isle of Skye
        • Duirinish
          • Dunvegan
No reference listed
        • Trotternish
          • Staffin
            • Flodigarry
BMS Database
    • Strathclyde (Ayrshire)
      • Beith
[BMS]
    • Strathclyde (Renfrewshire)
BMS Database
Ukraine
 
  • Crimea Oblast'
    • Crimea peninsula
Tischenko A. data
USA
 
  • Arizona
    • Greenlee Co.
      • Shannon Mts
        • Copper Mountain District (Clifton-Morenci District)
          • Clifton
            • San Francisco River area
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 316.
    • Maricopa Co.
AM61_853
    • Pinal Co.
      • Dudleyville
        • Malpais Hill
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 160, 250; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol. Soc. Digest: 3: 53-56; Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
Tschernic Zeolites of the World p.164 (see further rref there)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 160, 250; Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol. Soc. Digest: 3: 53-56; Thomssen, R.W. (1983), The minerals of Malpais Hill, Pinal Co., AZ, Min.Rec.: 14: 109-113.
    • Yavapai Co.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 314.
  • California
    • Del Norte Co.
      • Coastal Range
        • Crescent City area
          • Elk Creek
Tschernich, 1992. Zeolites of the World, p.164.
    • Los Angeles Co.
Mineral News v.14 no.9
        • Agoura Hills
Fred DeVito collection
Fred DeVito specimen
  • Colorado
    • Jefferson Co.
      • Golden District
        • Golden
Rocks & Minerals 79:4
MinRec 19:153
  • Idaho
    • Ada Co.
Tschernich, R. (1992): Zeolites of the World, 115
    • Adams Co.
Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
    • Idaho Co.
      • Skookumchuck Creek
Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
  • Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Jersey
    • Hudson Co.
      • Secaucus
Minerals of Laurel Hill, Secaucus, NJ, Facciolla, N.W. (published privately).
  • New Mexico
    • Grant Co.
Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
Minerals of New Mexico 3rd ed.
Minerals of New Mexico 3rd ed.
  • Oregon
    • Clackamas Co.
Micro Probe Vol. 6 No. 4; Tschernich, R. (1992): Zeolites of the World, 116
Micro Probe Volume VI Number 4
    • Columbia Co.
      • Goble
Micro Probe Vol. 6 No. 5 Fall 1987; Tschernich, R. (1992): Zeolites of the World, 117
    • Grant Co.
      • Mount Vernon
Micro Probe Volume VI Number 4
      • North Fork John Day River
Tschernich, R. (1992): Zeolites of the World, 118
      • Ritter
Micro Probe Volume VII Number 8 Fall 1993
Micro Probe Volume VII Number 8 Fall 1993
    • Lake Co.
Micro Probe Vol. 7 No. 9 Spring 1994; Tschernich, R. (1992): Zeolites of the World, 118
      • Lakeview
Micro Probe Volume VI Number 4
    • Malheur Co.
      • Lake Owyhee State Park
Tschernich, R. (1992): Zeolites of the World, 70
    • Wheeler Co.
      • Spray
Micro Probe Vol. 6 No. 4; Tschernich, R. (1992): Zeolites of the World, 118
  • Washington
    • Cowlitz Co.
Micro Probe Vol.7 No.9 Spring '94
      • Wolf Point
Micro Probe Vol. 7 No. 10
    • Douglas Co.
Minerals of Washington, Bart Cannon 1975; American Mineralogist, Volume 67, pages 799-803, 1982
    • Grays Harbor Co.
      • Porter
Micro Probe Vol. 7 No. 5 Spring '92
    • Thurston Co.
      • Black Hills
Zeolites of the World, R. Tschernich, 1991
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 27, 2015 05:13:35 Page generated: April 23, 2015 13:51:12