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About YugawaraliteHide

CaAl2Si6O16 · 4H2O
Colourless, white, pinkish
Vitreous, Pearly
Crystal System:
Member of:
Named after its discovery locality, Yugawara Hot Spring, Kanagawa Prefecture, Japan.

Classification of YugawaraliteHide

Approved, 'Grandfathered' (first described prior to 1959)

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
B : Chains of single connected 4-membered rings
Dana 7th ed.:

1 : Zeolite group - True zeolites

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca

Physical Properties of YugawaraliteHide

Vitreous, Pearly
Colourless, white, pinkish
4½ on Mohs scale
Indistinct on [010]

Optical Data of YugawaraliteHide

Biaxial (+)
RI values:
nα = 1.495 nβ = 1.497 nγ = 1.504
Measured: 78° , Calculated: 58°
Max Birefringence:
δ = 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of YugawaraliteHide

CaAl2Si6O16 · 4H2O
IMA Formula:
Ca(Si6Al2)O16 · 4H2O
Common Impurities:

Crystallography of YugawaraliteHide

Crystal System:
Cell Parameters:
a = 6.72 Å, b = 13.98 Å, c = 10.05 Å
β = 111.52°
a:b:c = 0.481 : 1 : 0.719
Unit Cell V:
878.34 ų (Calculated from Unit Cell)
Crystals flat tabulkar parallel to {010}. Showing (100), (010), (001), (110), (120), (011) and (-111).

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0002627YugawaraliteArtioli G, Stahl K, Cruciani G, Gualtieri A, Hanson J C (2001) In situ dehydration of yugawaralite American Mineralogist 86 185-19220010315
0002628YugawaraliteArtioli G, Stahl K, Cruciani G, Gualtieri A, Hanson J C (2001) In situ dehydration of yugawaralite American Mineralogist 86 185-19220010454
0002629YugawaraliteArtioli G, Stahl K, Cruciani G, Gualtieri A, Hanson J C (2001) In situ dehydration of yugawaralite American Mineralogist 86 185-19220010581
0010958YugawaraliteKvick A, Artioli G, Smith J V (1986) Neutron diffraction study of the zeolite yugawaralite at 13 K Zeitschrift fur Kristallographie 174 265-2811986Hvalfjordur, Iceland0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
3.057 Å(100)
4.672 Å(70)
4.652 Å(67)
5.81 Å(52)
7.01 Å(31)
3.237 Å(29)
4.295 Å(26)

Type Occurrence of YugawaraliteHide

General Appearance of Type Material:
A network of veins with well devloped crystals.
Place of Conservation of Type Material:
National Science Museum, Tokyo, Japan.
National School of Mines, Paris, France.
National Museum of Natural History, Washington, D.C., USA, 106164, 106931.
Geological Setting of Type Material:
Andesite tuff metamorphosed by hot spring action.
Associated Minerals at Type Locality:

Other Language Names for YugawaraliteHide

Relationship of Yugawaralite to other SpeciesHide

Member of:
Other Members of this group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2OMon. 2 : P21
AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
AnalcimeNa(AlSi2O6) · H2OTric. 1 : P1
Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2OHex.
BikitaiteLiAlSi2O6 · H2OTric. 1 : P1
BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
Brewsterite-Ba(Ba,Sr)[Al2Si6O16] · 5H2OMon. 2/m : P21/m
Brewsterite-Sr(Sr,Ba,Ca)[Al2Si6O16] · 5H2OMon. 2/m : P21/m
Chabazite-Levyne SubgroupM[Al2Si4O12] · 6H2O
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
ClinoptiloliteM3-6(Si30Al6)O72 · 20H2O
CowlesiteCaAl2Si3O10 · 6H2OOrth.
Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2OMon.
Dachiardite-KK4(Si20Al4O48) · 13H2OMon.
Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2OMon.
DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2OOrth. mmm (2/m 2/m 2/m) : Pmmn
EdingtoniteBa[Al2Si3O10] · 4H2OOrth. 2 2 2 : P21 21 21
EpistilbiteCaAl2Si6O16 · 5H2OMon.
ErioniteM2[Al4Si14O36] · 15H2O
FaujasiteM3.5[Al7Si17O48] · 32H2O
FerrieriteZeolite Group.
FerrochiavenniteCa1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2OMon. 2/m : P21/b
Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2OTric. 1 : P1
Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
GaultiteNa4Zn2Si7O18 · 5H2OOrth. mm2 : Fdd2
Gismondine-BaBa2Al4Si4O16 · 4-6H2O
Gismondine-CaCaAl2Si2O8 · 4H2OMon. 2/m : P21/b
GmeliniteIn 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2OOrth.
HeulanditeHeulandite is the name applied to specimens with unknown dominance of the extra-framework cations.
HsianghualiteCa3Li2(Be3Si3O12)F2Iso. 4 3 2 : I41 3 2
KirchhoffiteCs(BSi2O6)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
LovdariteK2Na6Be4Si14O36 · 9H2OOrth. mm2
MaricopaitePb7Ca2(Si,Al)48O100 · 32H2OOrth.
MartinandresiteBa2(Al4Si12O32) · 10H2OOrth. mmm (2/m 2/m 2/m) : Pmmn
Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2OHex.
Mazzite-NaNa8[Al4Si14O36]2 · 30H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2OOrth.
Montesommaite(K,Na)9Al9Si23O64 · 10H2OOrth.
Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2OOrth.
MutinaiteNa3Ca4Si85Al11O192 · 60H2OOrth.
NabesiteNa2BeSi4O10 · 4H2OOrth. 2 2 2 : P21 21 21
Natrolite SubgroupA subgroup of the Zeolite Group.
OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2OIso. 2 3 : I2 3
ParthéiteCa2(Si4Al4) O15 (OH)2 · 4H2OMon. 2/m : B2/b
Paulingite-Ca(Ca,K,Na,Ba, ◻)10 (Si, Al)42O84 · 34H2OIso.
Paulingite-K(K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2OIso.
Paulingite-Na(Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2OIso.
PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex.
Phillipsite subgroupZeolite Group.
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2OIso. m3m (4/m 3 2/m) : Ia3d
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.
Stilbite subgroupM6-7[Al8-9Si27-28O72] · nH2O
Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2OOrth.
Thomsonite-CaNaCa2[Al5Si5O20] · 6H2OOrth. mmm (2/m 2/m 2/m)
Thomsonite-SrNa(Sr,Ca)2[Al5Si5O20] · 7H2OOrth. mmm (2/m 2/m 2/m)
Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2OTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[Al3Si3O12]4(OH)8 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
UM1999-33-SiO:AlHKNaK7Na5Al12Si20O64 · 24H2O
UM2002-40-SiO:AlCaHKMgNa(Mg,Ca,Na,K)7.5(Al12.8Si51.2)O128 · 65H2OTet. 4 2 2 : P41 2 2
Unnamed (Ca analogue of merlinoite)(Ca,K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O ?
WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2OMon.
Wenkite(Ba,K)4(Ca,Na)6[(Si,Al)20O39(OH)2](SO4)3 · 0.5H2OHex.
WillhendersoniteKCa[Al3Si3O12] · 5H2OTric.

Common AssociatesHide

Associated Minerals Based on Photo Data:
10 photos of Yugawaralite associated with QuartzSiO2
7 photos of Yugawaralite associated with Heulandite
3 photos of Yugawaralite associated with CalciteCaCO3
3 photos of Yugawaralite associated with GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
2 photos of Yugawaralite associated with Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
1 photo of Yugawaralite associated with ErioniteM2[Al4Si14O36] · 15H2O
1 photo of Yugawaralite associated with Apophyllite
1 photo of Yugawaralite associated with Stilbite subgroupM6-7[Al8-9Si27-28O72] · nH2O

Related Minerals - Nickel-Strunz GroupingHide

9.GB.05AnalcimeNa(AlSi2O6) · H2OTric. 1 : P1
9.GB.05HsianghualiteCa3Li2(Be3Si3O12)F2Iso. 4 3 2 : I41 3 2
9.GB.05LithositeK6Al4Si8O25 · 2H2OMon.
9.GB.05LeuciteK(AlSi2O6)Tet. 4/m : I41/a
9.GB.05Pollucite(Cs,Na)2(Al2Si4O12) · 2H2OIso. m3m (4/m 3 2/m) : Ia3d
9.GB.05WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
9.GB.05KirchhoffiteCs(BSi2O6)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.GB.10LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
9.GB.20RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.
9.GB.25GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
9.GB.30Montesommaite(K,Na)9Al9Si23O64 · 10H2OOrth.
9.GB.35ParthéiteCa2(Si4Al4) O15 (OH)2 · 4H2OMon. 2/m : B2/b

Related Minerals - Dana Grouping (8th Ed.)Hide[Al2Si6O16] · 5H2OMon. · 2.5H2OTet.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.9.1GehleniteCa2Al(AlSiO7)Tet. 4 2m : P4 21m
16.9.2AnorthiteCa(Al2Si2O8)Tric. 1 : P1
16.9.3Yoshiokaite(Ca,Na)[Al(Al,Si)O4]Trig. 3 : P3
16.9.5DmisteinbergiteCa(Al2Si2O8)Trig. 3 2 : P3 1 2
16.9.6GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
16.9.8ZoisiteCa2Al3[Si2O7][SiO4]O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
16.9.9Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
16.9.10PrehniteCa2Al2Si3O10(OH)2Orth. mm2
16.9.12BicchuliteCa2(Al2SiO6)(OH)2Iso. 4 3m : I4 3m
16.9.14ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
16.9.18LawsoniteCaAl2(Si2O7)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
16.9.19ParthéiteCa2(Si4Al4) O15 (OH)2 · 4H2OMon. 2/m : B2/b
16.9.20WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
16.9.21VertumniteCa4Al4Si4O6(OH)24 · 3H2OMon. 2/m : P21/m
16.9.22ScoleciteCaAl2Si3O10 · 3H2OMon. m : Bb
16.9.23LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
16.9.25Gismondine-CaCaAl2Si2O8 · 4H2OMon. 2/m : P21/b
16.9.26EpistilbiteCaAl2Si6O16 · 5H2OMon.
16.9.27GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
16.9.28CowlesiteCaAl2Si3O10 · 6H2OOrth.
16.9.30StelleriteCa4(Si28Al8)O72 · 28H2OOrth. mmm (2/m 2/m 2/m) : Fmmm
16.9.31SträtlingiteCa2Al2SiO7 · 8H2OTrig.
16.9.32AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)Mon. 2/m : B2/b

Other InformationHide

Not attacked by hot or cold hydrochloric acid.
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 YugawaraliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sakurai, K., Hayashi, A. (1952) “Yugawaralite”, a new zeolite. Science Reports of the Yokohama National University: 1: 69-77.
Fleischer, M. (1953) New mineral names. American Mineralogist: 38: 426-426.
Leimer, H.W., Slaughter, M. (1969) The determination and refinement of the crystal structure of yugawaralite. Zeitschrift für Kristallographie: 130: 88-111.
Eberlein, G.D., Erd, R.C., Weber, F., Beatty, L.B. (1971) New occurrence of yugawaralite from the Chena Hot Springs area, Alaska. American Mineralogist: 56: 1699-1717.
Pongiluppi, D. (1977) A new occurrence of yugawaralite at Osilo, Sardinia. The Canadian Mineralogist: 15: 113-114.
Wise, W.S. (1978) Yugawaralite from Bombay, India. Mineralogical Record: 9: 296.
Akizuki, M. (1987) An explanation of the optical variation in yugawaralite. Mineralogical Magazine: 51: 615-620.
Kvick, Å., Artioli, G., Smith, J.V. (1986) Neutron diffraction study of the zeolite yugawaralite at 13 K. Zeitschrift für Kristallographie: 174: 265-281.
Coombs, D.S., Alberti, A., Armbruster, T., Artioli, G., Colella, C., Galli, E., Grice, J.D., Liebau, F., Mandarino, J.A., Minato, H., Nickel, E.H., Passaglia, E., Peacor, D.R., Quartieri, S., Rinaldi, R., Ross, M., Sheppard, R.A., Tillmanns, E., Vezzalini, G. (1997) Recommended nomenclature for zeolite minerals: report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist: 35: 1571-1606.
Mandarino, J.A. (1999) The Zeolite Group. Mineralogical Record: 30: 5-6.
Weisenberger, T., Selbekk, R.S. (2009) Multi stage zeolite facies mineralization in the Hvalfjordur area, Iceland. International Journal of Earth Sciences: 98(5): 985-999.
Tanaka, T., Kimura, R., Akizuki, M., Kudoh, Y. (2002) Origin of low-symmetry growth sectors in edingtonite and yugawaralite, and crystal structure of the k{011} and v{120} sectors of yugawaralite. Mineralogical Magazine: 66: 409-420.
Fois, E., Gamba, A., Tabacchi, G., Arletti, R., Quartieri, S., Vezzalini, G. (2005) The "template" effect of the extra-framework content on zeolite compression: the case of yugawaralite. American Mineralogist: 90: 28-35.

Internet Links for YugawaraliteHide

Localities for YugawaraliteHide

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.
  • Neuquén Province
    • Huiliches department
Bowman, R.S., Delap, R.S., eds. (2006) Zeolite ’06—7th International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites Socorro, New Mexico USA, 16–21 July 2006: 242.
    • Lácar department
      • Caleufú
Leal, Pablo Rodrigo; Vattuone, María Elena and Latorre, Carlos Oscar (2011) Zeolite assemblages from Northern Patagonian Andes, Argentina: A review. Revista Mexicana de Ciencias Geológicas: 28(2): 212-225.
    • Los Lagos Department
Vattuone, M. E., Latorre, C. O., & Leal, P. R. (2001). Procesos de formación de paragénesis ceolíticas en el metamorfismo de muy bajo grado de las volcanitas paleógenas al sur de Confluencia, Neuquén, República Argentina. Revista geológica de Chile, 28(2), 209-228.
  • Salta Province
    • Los Andes department
      • El Quevar mining district
Robl, K., Brodtkorb, M. Ametrano, S. (2009) The Miocene epithermal mineralization of the Quevar Stratovolcan Complex, Salta. Revista de la Asociacion Geologica Argentina: 64(3): 525-539.
  • British Columbia
    • Osoyoos Mining Division
      • Olalla
Tschernich, R. (1992): Zeolites of the World, p.51,524
  • Santiago
    • Chacabuco Province
Fuentes, F., Aguirre, L., Vergara, M., Valdebenito, L., & Fonseca, E. (2004). Miocene fossil hydrothermal system associated with a volcanic complex in the Andes of central Chile. Journal of Volcanology and Geothermal Research, 138(1-2), 139-161.
Costa Rica
  • San José Province
Zeledón, L.A. (2004) Zeolitas del Valle Central de Costa Rica y sus alrededores. Revista Geológica de América Central, 31: 67-80 [in Spanish].
  • Réunion
DE ASCENCAO GUEDES R. (2004) A vos loupes n°2 : la yugawaralite, Le Règne minéral, 59, 42-45. (in French)
Serge Lavarde Collection
  • Csongrád County
    • Üllés
  • Capital Region
    • Kjósarhreppur
Robinson, G.W. (1986) What's New in Minerals? The Mineralogical Record: 17(5): 339-342 (340).; Henderson Jr., W.A. (1987) Microminerals (Column). The Mineralogical Record: 18(6): 437-438.
Weisenberger, T. & Selbekk, R.S. (2009): Multi stage zeolite facies mineralization in the Hvalfjördur area, Iceland. International Journal of Earth Sciences. 98 (5): 985-999
  • Western Region
    • Borgarbyggð
      • Haugar
Self collected by Jamison Turnbull
Personal collection of Jamison K Turnbull.
    • Hvalfjarðarsveit
      • Hvalfjörður
Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona. [p.524]; Robinson, G. W. (1986): What's new in minerals? Mineralogical Record: 17: 339-342 [p.340]
    • Snæfellsbær
Betz, V. (1981) Famous mineral localities: Zeolites from Iceland and the Faeroes. The Mineralogical Record: 12(1): 5-26 (21).
  • Maharashtra
    • Mumbai District
Rob Lavinsky
      • Mumbai (Bombay)
        • Ward 38
          • Malad
Wise, W.S. (1978) Yugawaralite from Bombay, India. Mineralogical Record: 9(5): 296-296.; Ottens, B., Götze, J., Schuster, R., Krenn, K., Hauzenberger, C., Zsolt, B., & Vennemann, T. (2019). Exceptional Multi Stage Mineralization of Secondary Minerals in Cavities of Flood Basalts from the Deccan Volcanic Province, India. Minerals, 9(6), 351.
Wise, W.S. (1978) Yugawaralite from Bombay, India. Mineralogical Record: 9(5): 296-296.
    • Nashik District
      • Sinnar
Collection Elmar Lackner (and many others).
  • Lazio
    • Metropolitan City of Rome Capital
      • Rome
        • Valleranello
Carlini, R., and Signoretti, E. (2018) Il Lazio classico: le cave di leucitite della provincia di Roma (Vallerano, Laghetto e Osa). Fossils & Minerals, 4, 24-53.
  • Lombardy
    • Sondrio Province
      • Novate Mezzola
        • Codera Valley
Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
  • Sardinia
    • Sassari Province
      • Osilo
Gelosa, M. & Mameli, P. (1999): I minerali delle cave di Osilo: località mineralogiche della Sardegna. Rivista Mineralogica Italiana, 2/1999, 92-96.
  • Veneto
Mattioli, M., Cenni, M., & Passaglia, E. (2016) Secondary mineral assemblages as indicators of multi stage alteration processes in basaltic lava flows: Evidence from the Lessini Mountains, Veneto Volcanic Province, Northern Italy. Per. Mineral, 85, 1-24.
    • Verona Province
      • San Giovanni Ilarione
Mattioli, M., Cenni, M., and Raffaelli, G. (2008) I Minerali del Veronese. Le mineralizzazioni secondarie delle rocce vulcaniche dei Monti Lessini. Memorie del Museo Civico di Storia Naturale di Verona, 2a serie, Sezione Scienze della Terra 7-2008, 196 pp.; Boscardin, M. (2014) Provincia di Verona. In: Zorzi, F., and Boscardin, M. (eds.), Minerali del Veneto. Alla scoperta sei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 153-171; Mattioli, M., Giordani, M., Arcangeli, P., Valentini, L., Boscardin, M., Pacella, A., and Ballirano, P. (2018) Prismatic to asbestiform offretite from Northern Italy: Occurrence, morphology and crystal-chemistry of a new potentially hazardous zeolite. Minerals 2018, 8, 69; doi:10.3390/min8020069
  • Aomori Prefecture
    • Kuroishi City
Onuki, H., Shiba, M., Tazaki, A. (1988) Notes on petrography and rock-forming mineralogy (19). Journal of Mineralogy, Petrology and Economic Geology: 83: 311-317.
  • Hokkaidō Prefecture
    • Tokachi Subprefecture
      • Obihiro City
Konno, H., Aoki, M. (1977) Yugawaralite from Nukabira, Hokkaido. Mineralogical Journal: 8: 456-462.
  • Kanagawa Prefecture
    • Ashigarashimo District
      • Yugawara
Sci.Rep. Yokohama Nat.Univ.(1952) sect. 2, no. 1, 69-77
  • Miyagi Prefecture
Seki, Y. and Okumura, K. (1968) Yugawaralite from Onikobe active geothermal area, Northeast Japan. Jour. Japan. Assoc. Min. Pet. Economic Geology, 60, #1, 27-33.; Yotaro Seki (1973) Distribution and Modes of Occurrence of Wairakites in the Japanese Island Arc The Journal of the Geological Society of Japan 79:521-527
  • Shizuoka Prefecture
    • Izu City
[MinRec 8:517]; Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
  • Irbid Governorate
    • Maqarin area
Khoury, H. N., Salameh, E., & Abdul-Jaber, Q. (1985). Characteristics of an unusual highly alkaline water from the Maqarin area, northern Jordan. Journal of Hydrology, 81(1), 79-91.
New Zealand
  • Southland Region
    • Southland District
Railton, G.T., Watters, W.A. (1990) Minerals of New Zealand. New Zealand Geological Survey Bulletin 104, 89 pages.
World of Stones v.9
Tischenko A. data
  • Alaska
    • Aleutians East Borough
      • Unalaska Island
    • Fairbanks North Star Borough
      • Chena River
Moore, T. (2000) What's New in Minerals: Tuscon Show 2000. The Mineralogical Record: 31(3): 273-286.
Eberling, G.D., Erd, R.C., Weber, F., Beatty, L.B. (1971) New Occurrence of Yugawaralite From the Chena Hot Springs Area, Alaska. American Mineralogist: 56(9-10): 1699-1717.
  • Washington
    • Cowlitz Co.
      • Wolf Point
Micro Probe Vol. 7 No. 10
Micro Probe; Volume 1X, Number 1, pgs 2-6
  • Wyoming
    • Park Co.
Bargar, K.E., Beeson, M.H., Keith, T.E.C. (1981) Zeolites in Yellowstone National Park. The Mineralogical Record: 12: 29-38.
Bargar, K.E., Beeson, M.H., Keith, T.E.C. (1981) Zeolites in Yellowstone National Park. The Mineralogical Record: 12: 29-38.
Mineral and/or Locality  
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