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Willhendersonite

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About WillhendersoniteHide

Bill Henderson
Formula:
KCa[Al3Si3O12] · 5H2O
Colour:
Colorless, white
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
2.18
Crystal System:
Triclinic
Member of:
Name:
Named in 1984 by Donald R. Peacor, P. J. Dunn, William B. Simmons, E. Tillmans, and R. X. Fischer in honor of William "Bill" A. Henderson Jr. [October 5, 1932 Winthrop, Massachusetts, USA - April 20, 2014 Guilford, Connecticut, USA], chemist with American Cyanamid Company of Stamford, Connecticut (USA) who discovered the mineral. Bill was an avid life-long mineral collector and columnist for the Mineralogical Record. He was elected as a member of the Micromounters Hall of Fame in 1997.
Isostructural with:

Classification of WillhendersoniteHide

Approved
9.GD.10

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
D : Chains of 6-membered rings – tabular zeolites
77.1.2.3

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites
16.10.13

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis

Physical Properties of WillhendersoniteHide

Vitreous
Transparency:
Transparent
Colour:
Colorless, white
Streak:
White
Hardness:
Tenacity:
Very brittle
Cleavage:
Perfect
{100} (010} (001}
Density:
2.18 g/cm3 (Measured)    2.20 g/cm3 (Calculated)

Optical Data of WillhendersoniteHide

Type:
Biaxial
RI values:
nα = 1.505 nβ = 1.511 nγ = 1.517
2V:
Measured: 87° , Calculated: 88°
Birefringence:
0.012
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
strong

Chemical Properties of WillhendersoniteHide

Formula:
KCa[Al3Si3O12] · 5H2O
IMA Formula:
KCa(Si3Al3)O12 · 5H2O
Common Impurities:
Na

Crystallography of WillhendersoniteHide

Crystal System:
Triclinic
Cell Parameters:
a = 9.23 Å, b = 9.21 Å, c = 9.52 Å
α = 92.7°, β = 92.4°, γ = 90.1°
Ratio:
a:b:c = 1.002 : 1 : 1.034
Unit Cell V:
808 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.16 (100)
5.18 (30)
4.09 (40)
3.93 (20)
3.71 (30)
2.804 (50)
2.907 (60)

Type Occurrence of WillhendersoniteHide

Place of Conservation of Type Material:
Smithsonian Institution - NMNH 148655 (holotype) and NMNH148656 (cotype)
Geological Setting of Type Material:
Quaternary basic potassic lavas.
Associated Minerals at Type Locality:

Other Language Names for WillhendersoniteHide

Relationship of Willhendersonite to other SpeciesHide

Member of:
Other Members of this group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2OMon. 2 : P21
AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
Ammonioleucite(NH4,K)(AlSi2O6)Tet.
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] · 5H2O
Chabazite-Levyne SubgroupA subgroup of the Zeolite Group.
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
ClinoptiloliteNote on the distinguishing differences between clinoptilolite and heulandite (hhttp://rruff.
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] · 4H2O
EpistilbiteCaAl2Si6O16 · 5H2OMon.
ErioniteThis name now refers to a group of related minerals.
Faujasite
Faujasite-Ca(Ca,Na2,Mg)3.5[Al7Si17O48] · 32H2OIso.
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 · 4H2O
GmeliniteIn 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2OOrth.
Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2OMon. 2/m : P21/m
Heulandite subgroupNote on the distinguishing differences between heulandite and clinoptilolite (http://rruff.
HsianghualiteCa3Li2(Be3Si3O12)F2
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.
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.
PhillipsiteZeolite Group.
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2OIso. m3m (4/m 3 2/m) : Ia3d
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.
Stilbite subgroupThis name now refers to the zeolite subgroup including the Barrerite - Stilbite-Ca - ...
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[(OH)2|Al3Si3O12]4 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2OMon.
Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2OHex.
YugawaraliteCaAl2Si6O16 · 4H2OMon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Thomsonite-Ca4 photos of Willhendersonite associated with Thomsonite-Ca on mindat.org.
Flörkeite3 photos of Willhendersonite associated with Flörkeite on mindat.org.
Chalcedony2 photos of Willhendersonite associated with Chalcedony on mindat.org.
Phlogopite2 photos of Willhendersonite associated with Phlogopite on mindat.org.
Fluorapatite2 photos of Willhendersonite associated with Fluorapatite on mindat.org.
Kalsilite2 photos of Willhendersonite associated with Kalsilite on mindat.org.
Tschörtnerite2 photos of Willhendersonite associated with Tschörtnerite on mindat.org.
Gismondine2 photos of Willhendersonite associated with Gismondine on mindat.org.
Nepheline1 photo of Willhendersonite associated with Nepheline on mindat.org.
Esseneite1 photo of Willhendersonite associated with Esseneite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.GD.05Gmelinite-CaCa2(Si8Al4O24] · 11H2OHex.
9.GD.05Gmelinite-KK4(Si8Al4O24) · 11H2OHex.
9.GD.05Gmelinite-NaNa4(Si8Al4O24] · 11H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.10Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2OTric. 1 : P1
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 Trig. 3m (3 2/m) : R3m
9.GD.15Lévyne-Ca(Ca,Na2,K2)[Al2Si4O12] · 6H2OTrig. 3m (3 2/m) : R3m
9.GD.15Lévyne-Na(Na2,Ca,K2)[Al2Si4O12] · 6H2OTrig.
9.GD.20Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2OHex.
9.GD.20Erionite-Ca(Ca,K2,Na2)2[Al4Si14O36] · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.20Erionite-K(K2,Ca,Na2)2[Al4Si14O36] · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.20Erionite-Na(Na2,K2,Ca)2[Al4Si14O36] · 15H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.GD.25OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
9.GD.25Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2OHex.
9.GD.30Faujasite-Ca(Ca,Na2,Mg)3.5[Al7Si17O48] · 32H2OIso.
9.GD.30Faujasite-Mg(Mg,Na2,Ca)3.5[Al7Si17O48] · 32H2OIso.
9.GD.30Faujasite-Na(Na2,Ca,Mg)3.5[Al7Si17O48] · 32H2OIso.
9.GD.35MaricopaitePb7Ca2(Si,Al)48O100 · 32H2OOrth.
9.GD.35Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2OOrth.
9.GD.40Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2OMon.
9.GD.40Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2OMon.
9.GD.45EpistilbiteCaAl2Si6O16 · 5H2OMon.
9.GD.50Ferrierite-K(K2,Na2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2OOrth.
9.GD.50Ferrierite-Mg(Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2OOrth.
9.GD.50Ferrierite-Na(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72] · 18H2OMon. 2/m
9.GD.55BikitaiteLiAlSi2O6 · H2OTric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

77.1.2.1Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2OTric. 1 : P1
77.1.2.2Herschelite(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2OTrig.
77.1.2.4OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
77.1.2.7Garronit-Ca
77.1.2.8Lévyne

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.10.1Bytownite(Ca,Na)[Al(Al,Si)Si2O8]Tric.
16.10.2LisetiteCaNa2Al4Si4O16Orth.
16.10.4Thomsonite-CaNaCa2[Al5Si5O20] · 6H2OOrth. mmm (2/m 2/m 2/m)
16.10.5Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2OOrth.
16.10.6MesoliteNa2Ca2Si9Al6O30 · 8H2OOrth. mm2 : Fdd2
16.10.7Garronit-Ca
16.10.8Garronite-CaNa2Ca5Al12Si20O64 · 27H2OTet. 4 2m : I4m2
16.10.9BoggsiteCa8Na3(Si,Al)96O192 · 70H2OOrth. mmm (2/m 2/m 2/m) : Imma
16.10.10Herschelite(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2OTrig.
16.10.11Phillipsite
16.10.12Fedorite(Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2OTric. 1 : P1
16.10.14Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2OOrth. mmm (2/m 2/m 2/m)
16.10.15Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2OOrth.
16.10.16Reyerite(Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2OTrig.
16.10.17Lévyne
16.10.18Clinoptilolite
16.10.19Heulandite subgroup
16.10.20GobbinsiteNa5(Si11Al5)O32 · 11H2OOrth.
16.10.21Stilbite subgroup
16.10.22DachiarditeMon.
16.10.23OffretiteKCaMg(Si13Al5)O36 · 15H2OHex. 6 m2 : P6m2
16.10.24PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2OHex.
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 · 28H2OHex.
16.10.29RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2OTet.

Fluorescence of WillhendersoniteHide

Not fluorescent

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 WillhendersoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Acta Crystallographica (1981) A37: C-186.
Zeitschrift fur Kristallographie (1982) 159: 125-126.
Peacor, D.R., Dunn P.J., Simmons W.B., Tillmanns, E., Fischer, R.X. (1984) Willhendersonite, a new zeolite isostructural with chabazite. American Mineralogist 69: 186-189.
Tillmanns, E., Fischer, R.X., and Baur, W.H. (1984) Chabazite-type framework in the new zeolite willhendersonite, KCaAl3Si3O12•5H2O. Neues Jahrbuch für Mineralogie, Monatshefte: 547-558.
Vezzalini, G., Quartieri, S., and Galli, E. (1997) Occurrence and crystal structure of a Ca-pure willhendersonite. Zeolites: 19: 75-79.
Jambor, J.L. and Roberts, A.C. (1998) New mineral names. American Mineralogist: 83: 400-403.
Reviews in Mineralogy and Geochemistry (2001) 45: 1.
Reviews in Mineralogy and Geochemistry (2001) 45: 69.
Fischer, R.X., Kahlenberg, V., Lengauer, C.L., and Tillmanns, E. (2008) Thermal behavior and structural transformation in the chabazite-type zeolite willhendersonite, KCaAl3Si3O12.5H2O. American Mineralogist: 93: 1317-1325.

Internet Links for WillhendersoniteHide

Localities for WillhendersoniteHide

ⓘ - 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.
Austria
 
  • Styria
    • Bad Gleichenberg
      • Wilhelmsdorf
Walter, F. & W. Postl (1984): Willhendersonit vom Stradner Kogel, südlich Gleichenberg, Steiermark. Mitt. Abt. Mineral. Landesmuseum Joanneum, 52, 3-10; Postl, W. & Walter, F. (1985); R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993); Postl, W., Taucher, J. & Moser, B. (1996): Neue Mineralfunde im oststeirischen Vulkangebiet. Mitt. Abt. Miner. Landesmuseum Joanneum, 60/61, 3-76.
Germany
 
  • Rhineland-Palatinate
    • Ahrweiler
      • Hillesheim
Hentschel, G., Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel, Lapis, Weise Verlag München, 09/1993
      • Mayen
        • Ettringen
          • Bellerberg volcano
[Hentschel, G., Die Mineralien der Eifelvulkane, Weise (München), 1983
in the collection of Christof Schäfer
            • Southern lava flow
              • Mayener Feld
- Peacor, D.R., Dunn, P.J., Simmons, W.B., Tillmanns, E., Fischer, R.X., (1984): Willhendersonite, a new zeolite isostructural with chabazite, Amer. Mineral. 69, 186-189
    • Vulkaneifel
      • Daun
        • Hinterweiler
Personally collected by Günter Frenz, Raman-Spectrum available
        • Üdersdorf
Blass, G., Graf, HW., Neufunde von bekannten Fundorten (VIII), Mineralien-Welt 5/1993
      • Gerolstein
        • Roth
Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29.
Italy
 
  • Latium
    • Rieti Province
      • Rieti
        • Santa Rufina
  • Umbria
    • Perugia Province
      • Spoleto
Stoppa F., Scordari F., Mesto E., Sharygin V.V. and Bortolozzi G. - Calcium-aluminium-silicate-hydrate "cement" phases and rare Ca-zeolite association at Colle Fabbri, Central Italy (2010). Centr.Eur.J.Geosci. 2 (2), pag. 175-187 .
    • Terni Province
      • San Venanzo
Peacor, D.R., Dunn, P.J., Simmons, W.B., Tillmanns, E., and Fischer, R.X. (1984) Willhendersonite, a new zeolite isostructural with chabazite. American Mineralogist, 69, 186-189; Stoppa, F., Sharygin, V.V., and Cundari, A. (1997): Mineralogy and Petrology 61, 27-45.; Meli, R. (1997) Giacimenti da non dimenticare: i minerali delle vulcaniti di San Venanzo (Terni). Rivista Mineralogica Italiana, 21, 3 (3-1997), 269-275; Sharygin, V. V., Pekov, I. V., Zubkova, N. V., Khomyakov, A. P., Stoppa, F., & Pushcharovsky, D. Y. (2013). Umbrianite, K7Na2Ca2 [Al3Si10O29] F2Cl2, a new mineral species from melilitolite of the Pian di Celle volcano, Umbria, Italy. European Journal of Mineralogy, 25(4), 655-669.
  • Veneto
    • Verona Province
      • Soave
Mattioli, M., Cenni, M., 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., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 153-171.
USA
 
  • Hawaii
    • Honolulu Co.
      • Oahu Island
        • Honolulu
in the collection of Christof Schäfer
Mineral and/or Locality  
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