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William Phillips
(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
4 - 5
Crystal System:
Named after William Phillips (1775-1828), English mineralogist and founder of the Geologial Society of London. The K-dominant member of the phillipsite series.
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Classification of Phillipsite-KHide


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

Physical Properties of Phillipsite-KHide

4 - 5 on Mohs scale

Optical Data of Phillipsite-KHide

Biaxial (+/-)
RI values:
nα = 1.483 - 1.505 nβ = 1.484 - 1.511 nγ = 1.486 - 1.514
Measured: 60° to 90°, Calculated: 70° to 72°
Max Birefringence:
δ = 0.003 - 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
r > v or r < v

Chemical Properties of Phillipsite-KHide

(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
IMA Formula:
K6(Si10Al6)O32 · 12H2O

Crystallography of Phillipsite-KHide

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 9.8881 Å, b = 14.4040 Å, c = 8.6848 Å
β = 124.2711°
a:b:c = 0.686 : 1 : 0.603
Unit Cell V:
1,022.20 ų (Calculated from Unit Cell)
Data from Gualtieri (2000).

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of Phillipsite-KHide

Other Language Names for Phillipsite-KHide

Relationship of Phillipsite-K to other SpeciesHide

Other Members of this group:
Phillipsite-Ca(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32 . 12H2OMon. 2/m : P21/m
Phillipsite-Na(Na,K,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] · 12H2OMon.
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Calcite12 photos of Phillipsite-K associated with Calcite on
Nordstrandite11 photos of Phillipsite-K associated with Nordstrandite on
Baryte8 photos of Phillipsite-K associated with Baryte on
Chabazite-K8 photos of Phillipsite-K associated with Chabazite-K on
Thomsonite-Ca7 photos of Phillipsite-K associated with Thomsonite-Ca on
Phillipsite-Ca6 photos of Phillipsite-K associated with Phillipsite-Ca on
Hydrotalcite6 photos of Phillipsite-K associated with Hydrotalcite on
Motukoreaite5 photos of Phillipsite-K associated with Motukoreaite on
Faujasite Subgroup5 photos of Phillipsite-K associated with Faujasite Subgroup on
Magnesio-hornblende5 photos of Phillipsite-K associated with Magnesio-hornblende on

Related Minerals - Nickel-Strunz GroupingHide

9.GC.05AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
9.GC.05Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
9.GC.05Gismondine-CaCaAl2Si2O8 · 4H2O
9.GC.05GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
9.GC.10Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2OMon. 2/m : P21/m
9.GC.10Phillipsite-Ca(Ca0.5,K,Na,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.
9.GC.10Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2OTric. 1 : P1
9.GC.15Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2OOrth.
9.GC.20Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2OHex.
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.
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.
9.GC.35Paulingite-K(K2,Ca,Na2,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.

References for Phillipsite-KHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Steinfink, H. (1962): The crystal structure of the zeolite, phillipsite. Acta Crystallogr., 15, 644-652.
American Mineralogist (1972): 57: 1125-1145.
Rinaldi, R., Pluth, J. J. and Smith, J. V. (1974): Zeolites of the phillipsite family. Refinement of the crystal structures of phillipsite and harmotome. Acta Crystallogr., B30, 2426-2433.
Mineralogical Magazine (1998): 62: 553-554.
Gualtieri, A.F. (2000): Accuracy of XRPD QPA using the combined Rietveld-RIR method. Journal of Applied Crystallography 33, 267-278.
Gatta, G. D., Cappelletti, P. & Langella, A. (2010): Crystal-chemistry of phillipsites from the Neapolitan Yellow Tuff. European Journal of Mineralogy 22, 779-786.

Internet Links for Phillipsite-KHide

Localities for Phillipsite-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.
  • New South Wales
    • Gloucester Co.
      • Barrington Tops
        • Barrington
Graham, I. T., Pogson, R. E. and Colchester, D. (2002): Cowlesite and associated minerals from the Barrington Tops area, New South Wales. Australian J. Mineral. 8, 3-8.
    • Westmoreland Co.
      • Oberon
Graham, I. T., Colchester, D. and Pogson, R. E. (2002): Phillipsite and associated minerals from Hargraves quarry, Oberon, New South Wales. Australian Journal of Mineralogy 8, 29-32.
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
Francis, G. A. (2010): Minerals of Iron Monarch.
  • Victoria
    • Hepburn Shire
      • Trentham
W.D.Birch 1989. Zeolites of Victoria, The Mineralogical Association Of Victoria No. 2 pp. 75-84,100; J.D.Hollis. 1979. Some little known zeolite localities in central Victoria. The Australian Mineralogist No.21 April 1979, pp. 101-102
  • Burgenland
    • Oberpullendorf
      • Kobersdorf
        • Pauliberg
U. Kolitsch, W. Postl, H.-P. Bojar and W. Trattner (2009): Die Mineralvorkommen im Basalt des Pauliberges. In: Autorenkollektiv (Red. M. A. Götzinger und P. Huber) (2009): Die Mineralien des Burgenlandes - Geologie, Mineralogie und mineralische Rohstoffe. – Wissenschaftliche Arbeiten aus dem Burgenland, Band 126, Amt der Burgenländischen Landesregierung, Abteilung 7 - Landesmuseum, Eisenstadt, 83-99.
  • Styria
    • Bad Gleichenberg
      • Wilhelmsdorf
Postl, W. et al. (2008)
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Tschernich, R. (1992): Zeolites of the World, p.414., Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
      • Lajemmerais RCM
        • Varennes & St-Amable
          • Saint-Amable sill
HORVÁTH, L. (2010) The minerals of the Saint-Amable sill: an update. MICRONEWS 44(4), 23-28.
  • Larnaca District (Larnaka District; İskele District)
Prüfer, P. (2011): Mineralien der Insel Zypern (2). Der Aufschluss 62, 175-186 (in German).
Czech Republic
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Ostrov
Pauliš P., Dvořák Z., Svejkovský J., Malíková R., Pour O., Soumar J. (2015) Böhmit z klasického naleziště zeolitů Horní Hrad v Krušných horách (Česká republika). Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 23, 1, 60-62. ISSN 1211- 0329.
    • Liberec Region
      • Česká Lípa (Böhmisch Leipa)
P.Pauliš,L.Hrůzek,O.Janeček,J.Sejkora,R.Malíková,F.Fedyuk-Zeolite mineralization from Nový Oldřichov near Kamenický Šenov (Czech republic).Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze,vol.24,num.1(Prag 2016) P.Pauliš,L.Hrůzek,O.Janeček,Z.Dvořák,J.Toman-The most interesting mineralogical localities of Bohemia zeolities and accompanying mineralization-Kuttna 2014
P.Pauliš,L.Hrůzek,O.Janeček,J.Sejkora,R.Malíková,O.Pour,F.Fedyuk-Zeolite mineralization from Svor near Nový Bor (Czech rep.).Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze 24,2,2016,(Prag 2016)
    • Ústí Region
      • Litoměřice
P.Zeman,P.Pauliš,P.Pour,R.Malíková (2017) Zeolites of Pohorský Hill and district. mag.Minerál 2017/2
  • Moravia (Mähren; Maehren)
    • South Moravia Region
      • Moravský Krumlov
        • Jamolice
Hrazdil, V.: Minerální asociace alpských žil od Templštejna u Jamolic, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 2001, roč. 86, s. 75 - 84.
  • Auvergne-Rhône-Alpes
    • Puy-de-Dôme
      • Brousse
Leconte J. (2015) La carrière de Montboissier, Brousse, Puy-de-Dôme. In ʺLa revue des Micromonteursʺ n°23 – p.33-54.
  • Baden-Württemberg
    • Kaiserstuhl
      • Sasbach
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.
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Selb
          • Längenau
Keck, E. (2008): Der Wartberg bei Längenau, nordöstlich von Selb, in Oberfranken. Aufschluss 59, 109-128.
    • Upper Palatinate
      • Kemnath
        • Waldeck
Pöllmann et al. (2007): Aufschluss 58, 227-233.
  • Hesse
    • Greifenstein
      • Allendorf
Betz, V., Leinweber, A., Klein, E. und Wahl, H. (2011): Prächtige Zeolithe: Die Mineralien des Steinbruchs "Alter Stein" bei Allendorf im Ulmtal, Westerwald, Hessen. Lapis, 36 (2), 15-38; 54.
    • Vogelsberg
      • Nidda
Doelter, C. (1921) Handbuch der Mineralchemie, Band 2, 3. Teil 472 pp, Dresden und Leipzig
  • Rhineland-Palatinate
    • Eifel
      • Andernach
        • Nickenich
Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
      • Daun
        • Üdersdorf
[Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983] [Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors]
      • Gerolstein
        • Roth
Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29.
      • Hillesheim
Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
      • Kelberg
        • Drees
Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
        • Höchstberg
Blass, G., Graf, H.W., Kolitsch, U., Neue Funde aus der Vulkaneifel - ein Rückblick auf die Sammelsaison 2002, Mineralien-Welt 13/5, 2003
      • Laach lake volcanic complex
        • Mendig
          • Niedermendig
- Blass, G., (2010): Die neuen Mineralienfunde aus der Vulkaneifel, Mineralienwelt, Vol. 05
      • 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
      • Niederzissen
        • Brenk
Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
        • Glees
- Blass, G., (2010): Die neuen Mineralienfunde aus der Vulkaneifel, Mineralienwelt, Vol. 05
    • Siegerland
      • Herdorf
        • Malscheid (Mahlscheid; Mahlscheiderkopf; Mahlscheider Kopf)
Klein, E. (2011): Der Steinbruch Mahlscheid bei Herdorf im Siegerland. Mineralien Welt. 22 (3): 28-35
  • Saxony
    • Erzgebirge
      • Niederschlag-Bärenstein District
        • Bärenstein
T. Witzke (1994): Neufunde aus Sachsen (II): Nordstrandit vom Bärenstein bei Annaberg in Sachsen.- Lapis 19, 10, 36-39 (XRD and SEM-EDX analysis)
  • Nógrád Co.
    • Mátra Mts
      • Hasznos
GEODA, 2002
  • Veszprém Co.
    • Balaton Uplands
      • Tapolcai Basin
        • Zalahaláp
Kónya, P. and Szakáll, S. (2011): Occurrence, composition and paragenesis of the zeolites and associated minerals in the alkaline basalt of a maar-type volcano at Haláp Hill, Balaton Highland, Hungary. Mineralogical Magazine 75, 2869-2885.
  • Campania
    • Naples Province
      • Somma-Vesuvius Complex
        • Monte Somma
          • Ercolano
            • San Vito
Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
          • Pollena - Trocchia area
Russo, M., Punzo, I. (2004): I Minerali del Somma-Vesuvio, AMI
          • Sant'Anastasia
Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI
        • Mt Vesuvius
          • Terzigno
Luigi Chiappino data
          • Torre del Greco
Russo, M. (2003): Mineralogia Vesuviana - Villa Inglese. Micro (località), 2003, 1-10
  • Latium
    • Rome Province
The Canadian Mineralogist Vol. 35, pp. 1571-1606 (1997)
      • Rome
        • Valleranello
Gualtieri, A.F. (2000): Accuracy of XRPD QPA using the combined Rietveld-RIR method. Journal of Applied Crystallography, 33, 267-278.
    • Viterbo Province
      • Làtera volcano
        • Onano
Cresta, S., Duronio, F., Mancinella, D. (2002): Geositi e sistema delle arre protette del Lazio: idee per la geoconservazione. Il Cercapietre, 1-2/2002, 48-55 M.E. Ciriotti (G. Blass analysis) 2007.
      • Vico Lake
AMI UK service
Ciriotti, M.E. & Biagioni, C. (2011): Pot-pourri 2011: identificazioni di minerali di interesse. Micro, 3/2011, 125-133
  • Liguria
    • Genova Province
      • Tiglieto
Balestra C. (2014): Sistematica ligure 2014. Prie, 10, 35-37.
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
Grill, E. (1935): I minerali del granito di Baveno, la fayalite. Periodico di Mineralogia, 129-133. - Gallitelli, P. (1936): Le miche del granito di Baveno. . Periodico di Mineralogia, 61-76 - Pagliani, G. (1948): Le Zeoliti del granito di Baveno. Periodico di Mineralogia, 175-188. - Ravagnani, D. (1974): I giacimenti uraniferi italiani - Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale di Milano, Ed., Milano, 188 pp. - min. Rec. 14 (3), 157-168 - Am. Min. 83, 1330-1334 (1998) - Am. Min. 84, 782-789 (1999). - Guastoni, A. & Pezzotta, F. (2004): Kristiansenite a Baveno, second ritrovamento Mondiale della specie. Rivista Mineralogica Italiana, 4/2004, 247-251. - Guastoni, A., Demartin, F., Pezzotta, F. (2004): Sekaninaite delle pegmatiti granitiche di Feriolo e Baveno (VB). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, 145, 59-68. - Mineralogist americano (2005) 90, 1442-1452.
sergio varvello collection
  • Sicily
    • Catania Province
      • Northern Iblean plateau
Sicurella, G., Russo, S., Ciriotti, M.E., Blass, G. (2010): Mineralogia della formazione di Monte Caliella, Palagonia (Catania, Sicilia). Micro (località), 2/2010, 371-408
Sicurella, G., Russo, S., Ciriotti, M.E., Blass, G. (2010): Mineralogia della formazione di Monte Caliella, Palagonia (Catania, Sicilia). Micro (località), 2/2010, 371-408.
  • Tuscany
    • Grosseto Province
      • Pitigliano
AMI UK service
  • Veneto
    • Vicenza Province
      • Fara Vicentino
        • 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
  • Honshu Island
    • Chugoku region
      • Shimane Prefecture
        • Hamada City
Matsubara, S. et al (1998) Koubutsugaku Zasshi, 27, 195-202.
New Zealand
  • South Island
    • Canterbury
S. J. Mills, Museum Victoria
    • Otago
      • Dunedin
Graham, I.T. , Pogson, R.E., Colchester, D.M. & Baines, A. (2003) Zeolite crystal habits , composition, and paragenesis; Blackhead Quarry, Dunedin, New Zealand - Mineralogical Magazine, 67, 625-737
J. Thornton in Micro-Scope, March 2007
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
PEKOV, I.V. & NIKOLAEV, A.P. (2013) Minerals of the pegmatites and hydrothermal assemblages of the Koashva deposit (Khibiny, Kola Peninsula, Russia). Mineralogical Almanac 189(2), 7-65.
Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
Yakovenchik, V.N., Ivaniuk, G.Yu., Pakhomovsky, Ya.A., Selivanova, E.A., Men'shikov, Yu.P., Korchak, J.A., Krivovichev, S.V., Spiridonova, D.V., Zalkind, O.A. (2010): Punkaruaivite, Li{Ti2(OH)2[Si4O11(OH)]}•H2O, a new mineral species from hydrothermalites of Khibiny and Lovozero alkaline massifs (Kola Peninsula, Russia). Canadian Mineralogist, 48, 41-50.
        • Suoluaiv Mt
Igor Pekov data
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Asbest
Antonov A.A. [Антонов А.А.] (2003): Mineralogy of rodingites of the Bazhenovsk ultrabasic massif [Минералогия родингитов Баженовского гипербазитого массива]. Nauka, Sankt-Peterburg, 129 pp. (in Russian).
  • Canary Islands
    • Santa Cruz de Tenerife Province
      • Tenerife
        • Santa Cruz de Tenerife
          • Anaga Mts.
Analyzed by XRD by Dr. Joan Vinals (Barcelona)- Col. Agustin Agudo Espinosa
  • Castile-La Mancha
    • Ciudad Real
      • Campo de Calatrava volcanoes
Calvo, M., Viñals, J., Sanz, A. and Martí, J. (2013). Zeolites and asociated minerals in the vacuoles of some of the Campo de calatrava volcanoes - Ciudad Real, Spain. Mineral Up,3, 54-69
  • Grischun (Grisons; Graubünden)
    • Vorderrhein Valley
      • Tujetsch (Tavetsch)
        • Strem Valley
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 302.
  • Arizona
    • Maricopa Co.
  • Hawaii
    • Honolulu Co.
      • Oahu Island
        • Honolulu
Dunham, K.C. (1933): Crystal cavities in lavas from the hawaiian islands, The American Mineralogist, Vol. 18, 369-385.
  • Oregon
    • Clackamas Co.
      • Clackamas River localities
Tschernich, R. (1992): Zeolites of the World: 423; Howard, Don & Thornton, Jocelyn (1998) MicroProbe: 8(7), Spring 1998: 7-9; Tschernich, Rudy (2001) MicroProbe: 9(9), Spring 2001: 20-23; Gladwell, Jon ( ), Crystals & Minerals, Vol 3: 24-25.
    • Tillamook Co.
Micro Probe Volume VI Number 4
  • Washington
    • Douglas Co.
Tschernich (1991): Zeolites of Washington State. Rock & Minerals, 66(4); American Mineralogist, Volume 67, pages 799-803, 1982
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