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Willhendersonite

A valid IMA mineral species

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Photos of Willhendersonite (90)

Willhendersonite Gallery Search Photos of Willhendersonite

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Willhendersonite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Willhendersonite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Willhendersonite, etc.

Xenolith CS-036, Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Willhendersonite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Willhendersonite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Willhendersonite, etc.

Xenolith CS-036, Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Willhendersonite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Willhendersonite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

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About WillhendersoniteHide

Bill Henderson

Formula:

KCa[Al₃Si₃O₁₂] · 5H₂O

Colour:

Colorless, white

Lustre:

Vitreous

Hardness:

Specific Gravity:

2.10 - 2.18

Crystal System:

Triclinic

Member of:

Zeolite Group

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). In late 1980, Dr. William A. Henderson, Jr. submitted a specimen to P.J.D. that he had obtained several years earlier from Mr. Gianni Porcellini of Rimini, Italy. 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.

Type Locality:

ⓘ Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy

Isostructural with:

Chabazite

Zeolite Group. Chabazite-Levyne Subgroup.

Unique IdentifiersHide

Mindat ID:

4294

Long-form identifier:

mindat:1:1:4294:5

GUID
(UUID V4):

6e99d892-d10f-48ac-9e09-a7e12ec617f4

IMA Classification of WillhendersoniteHide

IMA status:

Approved

IMA Formula:

KCa(Si₃Al₃)O₁₂ · 5H₂O

First published:

1984

Type description reference:

Peacor, Donald R., Dunn, Pete J., Simmons, William B., Tillmanns, Ekkehart, Fischer, Reinhard X. (1984) Willhendersonite, a new zeolite isostructural with chabazite. American Mineralogist, 69 (1-2) 186-189

Classification of WillhendersoniteHide

Strunz-mindat (2024):

9.GD.10

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

Dana 8th ed.:

77.1.2.3

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites

Hey's CIM Ref.:

16.10.13

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Whd	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of WillhendersoniteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

Colorless, white

Streak:

White

Hardness:

3 on Mohs scale

Tenacity:

Very brittle

Cleavage:

Perfect
{100} {010} {001}

Density:

2.10 - 2.18 g/cm³ (Measured) 2.20 g/cm³ (Calculated)

Optical Data of WillhendersoniteHide

Type:

Biaxial (+/-)

RI values:

n_α = 1.505(3) n_β = 1.511(3) n_γ = 1.517(3)

2V:

Measured: 87° (3), 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

Chemistry of WillhendersoniteHide

Mindat Formula:

KCa[Al₃Si₃O₁₂] · 5H₂O

Elements listed:

Al, Ca, H, K, O, Si - search for minerals with similar chemistry

Common Impurities:

Crystallography of WillhendersoniteHide

Crystal System:

Triclinic

Class (H-M):

1 - Pinacoidal

Space Group:

Cell Parameters:

a = 9.206(2) Å, b = 9.216(2) Å, c = 9.500(4) Å
α = 92.34(3)°, β = 92.70(3)°, γ = 90.12(3)°

Ratio:

a:b:c = 0.999 : 1 : 1.031

Unit Cell V:

808 Å³

Twinning:

Complex, by rotation about [111]; reflection across (001); by rotation about [110] or reflection across (110)

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0004627	Willhendersonite	Fischer R X, Kahlenberg V, Lengauer C L, Tillmanns E (2008) Thermal behavior and structural transformation in the chabazite-type zeolite willhendersonite, KCaAl3Si3O125H2O* American Mineralogist 93 1317-1325	2008	Mayen, Eifel district, Germany	293
0004628	Willhendersonite	Fischer R X, Kahlenberg V, Lengauer C L, Tillmanns E (2008) Thermal behavior and structural transformation in the chabazite-type zeolite willhendersonite, KCaAl3Si3O125H2O* American Mineralogist 93 1317-1325	2008	Mayen, Eifel district, Germany	293
0004629	Willhendersonite	Fischer R X, Kahlenberg V, Lengauer C L, Tillmanns E (2008) Thermal behavior and structural transformation in the chabazite-type zeolite willhendersonite, KCaAl3Si3O125H2O* American Mineralogist 93 1317-1325	2008	Mayen, Eifel district, Germany	293
0014793	Willhendersonite	Tillmanns E, Fischer R X, Baur W H (1984) Chabazite-type framework in the new zeolite willhendersonite, KCaAl3Si3O125H2O* Neues Jahrbuch fur Mineralogie, Monatshefte 1984 547-558	1984		293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Willhendersonite'
loop_
_publ_author_name
'Fischer R X'
'Kahlenberg V'
'Lengauer C L'
'Tillmanns E'
_journal_name_full 'American Mineralogist'
_journal_volume 93 
_journal_year 2008
_journal_page_first 1317
_journal_page_last 1325
_publ_section_title
;
 Thermal behavior and structural transformation in the chabazite-type zeolite
 willhendersonite, KCaAl3Si3O12*5H2O
 Note: Room temperature
;
_database_code_amcsd 0004627
_chemical_compound_source 'Mayen, Eifel district, Germany'
_chemical_formula_sum 'K1.14 Ca.982 Al3 Si3 O17.11 H10.22'
_cell_length_a 9.248
_cell_length_b 9.259
_cell_length_c 9.533
_cell_angle_alpha 92.313
_cell_angle_beta 92.761
_cell_angle_gamma 89.981
_cell_volume 814.672
_exptl_crystal_density_diffrn      2.174
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
K1   0.47540   0.89000   0.47120   0.23000   0.04900
K2   0.49090   0.45420   0.85340   0.50000   0.07700
K3   0.88600   0.48820   0.46130   0.41000   0.06000
Ca   0.20020   0.20080   0.20380   0.98200   0.01620
Al12a   0.34320   0.09260   0.85080   1.00000   0.01280
Al12b   0.88860   0.31300   0.09070   1.00000   0.01300
Al12c   0.09050   0.84760   0.34240   1.00000   0.01260
Si11a   0.31270   0.89420   0.10650   1.00000   0.01300
Si11b   0.10820   0.34430   0.85470   1.00000   0.01240
Si11c   0.85040   0.10350   0.33980   1.00000   0.01300
O11   0.74540   0.24430   0.98510   1.00000   0.01850
O12   0.69300   0.05650   0.26830   1.00000   0.01730
O13   0.97400   0.31570   0.73900   1.00000   0.01600
O21   0.15290   0.51250   0.84970   1.00000   0.01870
O22   0.47530   0.86170   0.16630   1.00000   0.01880
O23   0.82770   0.18780   0.49150   1.00000   0.01660
O31   0.24930   0.25050   0.81790   1.00000   0.01720
O32   0.93660   0.20990   0.23810   1.00000   0.01730
O33   0.78640   0.06410   0.76020   1.00000   0.01820
O41   0.05690   0.30440   0.01100   1.00000   0.01750
O42   0.30540   0.04380   0.02090   1.00000   0.01870
O43   0.05740   0.04100   0.63660   1.00000   0.01690
Wat1   0.22590   0.46010   0.26060   1.00000   0.03800
Wat2   0.45950   0.25050   0.23990   1.00000   0.04100
Wat3   0.22210   0.20870   0.45830   1.00000   0.03800
Wat4   0.47610   0.78400   0.44300   0.77000   0.08500
Wat5   0.76300   0.47500   0.43400   0.52000   0.07300
Wat6   0.48500   0.58400   0.43600   0.45000   0.09000
Wat7   0.56900   0.48900   0.45200   0.37000   0.14000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
9.16 Å	(100)
5.18 Å	(30)
4.09 Å	(40)
3.93 Å	(20)
3.71 Å	(30)
2.804 Å	(50)
2.907 Å	(60)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
10 : Basalt-hosted zeolite minerals

Type Occurrence of WillhendersoniteHide

Type Locality:

ⓘ Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy

General Appearance of Type Material:

"Trellis-like" twinned aggregates, and as tabular crystals.

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:

Reference:

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.

Download:

https://rruff.info/rruff_1.0/uploads/AM69_186.pdf

Other Language Names for WillhendersoniteHide

German:Willhendersonit

Russian:Уиллхендерсонит

Spanish:Willhendersonita

Relationship of Willhendersonite to other SpeciesHide

Member of:

Zeolite Group

Other Members of this group:

Alflarsenite	NaCa₂Be₃Si₄O₁₃(OH) · 2H₂O	Mon. 2 : P2₁
Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O	Mon. 2
Ammonioleucite	(NH₄)(AlSi₂O₆)	Tet. 4/m : I4₁/a
Analcime	Na(AlSi₂O₆) · H₂O	Tric. 1 : P1
Bellbergite	(K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄[Al₃Si₃O₁₂]₆ · 30H₂O	Hex.
Bikitaite	LiAlSi₂O₆ · H₂O	Tric. 1 : P1
Boggsite	Ca₈Na₃(Si,Al)₉₆O₁₉₂ · 70H₂O	Orth. mmm (2/m 2/m 2/m) : Imma
Brewsterite Subgroup	Zeolite Group.
Chabazite-Levyne Subgroup	M[Al₂Si₄O₁₂] · 6H₂O
Chiavennite	CaMnBe₂Si₅O₁₃(OH)₂ · 2H₂O	Mon. 2/m : P2₁/b
Clinoptilolite Subgroup	M_3-6(Si₃₀Al₆)O₇₂ · 20H₂O
Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O	Orth. mmm (2/m 2/m 2/m)
Dachiardite Subgroup	Zeolite Group.
Direnzoite	NaK₆MgCa₂(Al₁₃Si₄₇O₁₂₀) · 36H₂O	Orth. mmm (2/m 2/m 2/m) : Pmmn
Edingtonite	Ba[Al₂Si₃O₁₀] · 4H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O	Mon.
Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
Faujasite Subgroup	M_3.5[Al₇Si₁₇O₄₈] · 32H₂O
Ferrierite Subgroup	Zeolite Group.
Ferrochiavennite	Ca_1-2Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂] · 2H₂O	Mon. 2/m : P2₁/b
Flörkeite	(K₃Ca₂Na)[Al₈Si₈O₃₂] · 12H₂O	Tric. 1 : P1
Garronite Subgroup
Gaultite	Na₄Zn₂Si₇O₁₈ · 5H₂O	Orth. mm2 : Fdd2
Gismondine Subgroup	Zeolite Group.
Gmelinite Subgroup	In 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
Gobbinsite	Na₅(Si₁₁Al₅)O₃₂ · 11H₂O	Orth. mmm (2/m 2/m 2/m) : Pnma
Goosecreekite	Ca[Al₂Si₆O₁₆] · 5H₂O	Mon. 2 : P2₁
Gottardiite	Na₃Mg₃Ca₅Al₁₉Si₁₁₇O₂₇₂ · 93H₂O	Orth. mmm (2/m 2/m 2/m) : Cmca
Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Hsianghualite	Ca₃Li₂(Be₃Si₃O₁₂)F₂	Iso. 4 3 2 : I4₁ 3 2
Kirchhoffite	Cs(BSi₂O₆)	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
Laumontite	CaAl₂Si₄O₁₂ · 4H₂O	Mon. 2/m : B2/m
Loomisite	Ba[Be₂P₂O₈] · H₂O	Mon. m
Lovdarite	K₂Na₆Be₄Si₁₄O₃₆ · 9H₂O	Orth. mm2
Maricopaite	Pb₇Ca₂(Si,Al)₄₈O₁₀₀ · 32H₂O	Orth.
Martinandresite	Ba₂(Al₄Si₁₂O₃₂) · 10H₂O	Orth. mmm (2/m 2/m 2/m) : Pmmn
Mazzite Subgroup	Zeolite Group.
Merlinoite	(K,Na)₅(Ca,Ba)₂Al₉Si₂₃O₆₄ · 23H₂O	Orth. mmm (2/m 2/m 2/m) : Immm
Montesommaite	(K,Na)₉Al₉Si₂₃O₆₄ · 10H₂O	Orth. mm2 : Fdd2
Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O	Orth.
Mutinaite	Na₃Ca₄Si₈₅Al₁₁O₁₉₂ · 60H₂O	Orth. mmm (2/m 2/m 2/m) : Pnma
Nabesite	Na₂BeSi₄O₁₀ · 4H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
Natrolite Subgroup	A subgroup of the Zeolite Group.
Offretite	KCaMg(Si₁₃Al₅)O₃₆ · 15H₂O	Hex. 6 m2 : P6m2
Pahasapaite	Li₈(Ca,Li,K)_10.5Be₂₄(PO₄)₂₄ · 38H₂O	Iso. 2 3 : I2 3
Parthéite	Ca₂(Si₄Al₄) O₁₅ (OH)₂ · 4H₂O	Mon. 2/m : B2/b
Paulingite Subgroup	Paulingite was originally described in 1960.
Perlialite	K₉Na(Ca,Sr)[Al₂Si₄O₁₂]₆ · 15H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
Phillipsite Subgroup	Zeolite Group.
Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O	Iso. m3m (4/m 3 2/m) : Ia3d
Roggianite	Ca₂Be(OH)₂Al₂Si₄O₁₃ · 2.5H₂O	Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm
Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Terranovaite	(Na,Ca)₈(Si₆₈Al₁₂)O₁₆₀ · 29H₂O	Orth.
Thomsonite Subgroup	The large majority of "thomsonite" is thomsonite-Ca.
Tschernichite	(Ca,Na₂)[Al₂Si₄O₁₂] · 4-8H₂O	Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
Tschörtnerite	Ca₄(Ca,Sr,K,Ba)₃Cu₃[Al₃Si₃O₁₂]₄(OH)₈ · nH₂O	Iso. m3m (4/m 3 2/m) : Fm3m
UM1996-38-SiO:AlCaHNa	Na-Ca-Al-Si-O-H
UM1999-33-SiO:AlHKNa	K₇Na₅Al₁₂Si₂₀O₆₄ · 24H₂O
UM2002-40-SiO:AlCaHKMgNa	(Mg,Ca,Na,K)_7.5(Al_12.8Si_51.2)O₁₂₈ · 65H₂O	Tet. 4 2 2 : P4₁ 2 2
Unnamed (Ca analogue of Merlinoite)	(Ca,K,Na)₅(Ca,Ba)₂Al₉Si₂₃O₆₄ · 23H₂O ?
Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O	Mon. 2/m : B2/m
Weinebeneite	CaBe₃(PO₄)₂(OH)₂ · 4H₂O	Mon. m : Bb
Wenkite	(Ba,K)₄(Ca,Na)₆[(Si,Al)₂₀O₃₉(OH)₂](SO₄)₃ · 0.5H₂O	Hex. 6 m2 : P6₂m
Yugawaralite	CaAl₂Si₆O₁₆ · 4H₂O	Mon. m : Pb

Common AssociatesHide

Associated Minerals Based on Photo Data:

12 photos of Willhendersonite associated with Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
10 photos of Willhendersonite associated with Pyroxene Group	ADSi₂O₆
7 photos of Willhendersonite associated with Flörkeite	(K₃Ca₂Na)[Al₈Si₈O₃₂] · 12H₂O
7 photos of Willhendersonite associated with Fluorapatite	Ca₅(PO₄)₃F
7 photos of Willhendersonite associated with Fluorophlogopite	KMg₃(Si₃Al)O₁₀F₂
7 photos of Willhendersonite associated with Phillipsite-Ca	Ca₃(Si₁₀Al₆)O₃₂ · 12H₂O
5 photos of Willhendersonite associated with Apatite	Ca₅(PO₄)₃(Cl/F/OH)
5 photos of Willhendersonite associated with Phillipsite Subgroup
4 photos of Willhendersonite associated with Clinopyroxene Subgroup
4 photos of Willhendersonite associated with Gismondine Subgroup

Related Minerals - Strunz-mindat Grouping Hide

9.GD.05	Gmelinite-Ca	Ca₂(Si₈Al₄O₂₄] · 11H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.GD.05	Gmelinite-K	K₄(Si₈Al₄O₂₄) · 11H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.GD.05	Gmelinite-Na	Na₄(Si₈Al₄O₂₄] · 11H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.GD.10	Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O	Tric. 1 : P1
9.GD.10	Chabazite-K	(K₂,Ca,Na₂,Sr,Mg)₂[Al₂Si₄O₁₂]₂ · 12H₂O	Trig. 3m (3 2/m) : R3m
9.GD.10	Chabazite-Na	(Na₂,K₂,Ca,Sr,Mg)₂[Al₂Si₄O₁₂]₂ · 12H₂O	Trig. 3m : R3m
9.GD.10	Chabazite-Sr	Sr₂[Al₂Si₄O₁₂]₂ · 12H₂O	Trig. 3m (3 2/m) : R3m
9.GD.10	Chabazite-Mg	(Mg_0.7K_0.5Ca_0.5Na_0.1)[Al₃Si₉O₂₄] · 10H₂O	Trig. 3m (3 2/m) : R3m
9.GD.15	Lévyne-Ca	(Ca,Na₂,K₂)[Al₂Si₄O₁₂] · 6H₂O	Trig. 3m (3 2/m) : R3m
9.GD.15	Lévyne-Na	(Na₂,Ca,K₂)[Al₂Si₄O₁₂] · 6H₂O	Trig. 3m (3 2/m) : R3m
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/mmm (6/m 2/m 2/m) : P6₃/mmc
9.GD.20	Erionite-K	(K₂,Ca,Na₂)₂[Al₄Si₁₄O₃₆] · 15H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.GD.20	Erionite-Na	(Na₂,K₂,Ca)₂[Al₄Si₁₄O₃₆] · 15H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
9.GD.25	Offretite	KCaMg(Si₁₃Al₅)O₃₆ · 15H₂O	Hex. 6 m2 : P6m2
9.GD.25	Wenkite	(Ba,K)₄(Ca,Na)₆[(Si,Al)₂₀O₃₉(OH)₂](SO₄)₃ · 0.5H₂O	Hex. 6 m2 : P6₂m
9.GD.30	Faujasite-Ca	(Ca,Na₂,Mg)_3.5[Al₇Si₁₇O₄₈] · 32H₂O	Iso. m3m (4/m 3 2/m) : Fd3m
9.GD.30	Faujasite-Mg	(Mg,Na₂,Ca)_3.5[Al₇Si₁₇O₄₈] · 32H₂O	Iso. m3m (4/m 3 2/m) : Fd3m
9.GD.30	Faujasite-Na	(Na₂,Ca,Mg)_3.5[Al₇Si₁₇O₄₈] · 32H₂O	Iso. m3m (4/m 3 2/m) : Fd3m
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 : B2/m
9.GD.40	Dachiardite-Na	(Na₂,Ca,K₂)₅Al₁₀Si₃₈O₉₆ · 25H₂O	Mon. 2/m : B2/m
9.GD.45	Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O	Mon.
9.GD.50	Ferrierite-K	(K,Na)₅(Si₃₁Al₅)O₇₂ · 18H₂O	Orth. mmm (2/m 2/m 2/m) : Immm
9.GD.50	Ferrierite-Mg	[Mg₂(K,Na)₂Ca_0.5](Si₂₉Al₇)O₇₂ · 18H₂O	Orth. mmm (2/m 2/m 2/m) : Pnnm
9.GD.50	Ferrierite-Na	(Na,K)₅(Si₃₁Al₅)O₇₂ · 18H₂O	Mon. 2/m
9.GD.50	Ferrierite-NH4	(NH₄,Mg_0.5)₅(Al₅Si₃₁O₇₂) · 22H₂O	Orth. mmm (2/m 2/m 2/m) : Immm
9.GD.55	Bikitaite	LiAlSi₂O₆ · H₂O	Tric. 1 : P1

Fluorescence of WillhendersoniteHide

In UV light:

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.

Internet Links for WillhendersoniteHide

mindat.org URL:

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References for WillhendersoniteHide

Reference List:

Tillmanns, E., Fischer, R. (19E2) Uber ein neues Zeolith-Mineral mit geordnetem Chabasit-Geriist. (abstr.) Zeitschrift fur Kristallographie, 159, 125-126.

Tillmanns, E., Fischer, R. (1981) Crystal structure of a new zeolite mineral. Acta Crystallographica Section A Foundations of Crystallography, 37. 186 doi:10.1107/s0108767381094002

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.

Sieber, N. H. W., Fischer, R. X., Tillmanns, E. (1987) Displacive transitions in willhendersonite, a zeolite with a flexible chabazite-type framework. Acta Crystallographica Section A Foundations of Crystallography, 43. doi:10.1107/s0108767387083107

Vezzalini, Giovanna, Quartieri, Simona, Galli, Ermanno (1997) Occurrence and Crystal Structure of a Ca-Pure Willhendersonite. Zeolites, 19 (1) 75-79 doi:10.1016/s0144-2449(97)00051-1

Jambor, John L., Roberts, Andrew 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., Tillmanns, E. (2008) Thermal behavior and structural transformation in the chabazite-type zeolite willhendersonite, KCaAl3Si3O12 · 5H2O. American Mineralogist, 93 (8) 1317-1325 doi:10.2138/am.2008.2745

Mattioli, Michele, Cenni, Marco (2021) First occurrence of willhendersonite in the Lessini Mounts, northern Italy. Crystals, 11 (2) 109 doi:10.3390/cryst11020109

(2023) Willhendersonite. Handbook of Mineralogy. Mineralogical Society of America

Localities for WillhendersoniteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Austria
Styria Südoststeiermark District Bad Gleichenberg Wilhelmsdorf ⓘ Stradner Kogel	Walter (1984) +3 other references

Germany
Rhineland-Palatinate Mayen-Koblenz Mayen ⓘ Seekante	Peacor et al. (1984)
ⓘ Xenolith CS-008 (Bellbergite-bearing xenolith)	in the collection of Christof Schäfer
Vordereifel Ettringen ⓘ Caspar quarry	Hentschel (1983) +1 other reference
ⓘ Xenolith CS-036 (Vondechenite-bearing xenolith)	in the collection of Christof Schäfer
Kottenheim Winfeld ⓘ Xenolith CS-071	in the collection of Christof Schäfer
Vulkaneifel Daun Üdersdorf ⓘ Löhley	Blaß et al. (1993)
Gerolstein Gerolstein Roth ⓘ Rother Kopf	Blaß et al. (2012)
Hillesheim ⓘ Graulay quarry	Hentschel (1993)
Hohenfels-Essingen ⓘ Feuerberg	Personally collected by Günter Frenz

Italy
Lazio Rieti Province Rieti Santa Rufina ⓘ Cupaello Quarry
Umbria Perugia Province Spoleto ⓘ Colle Fabbri	Wheeler et al. (1996) +2 other references
Terni Province San Venanzo ⓘ Vispi Quarry (TL)	Peacor et al. (1984) +4 other references
Veneto ⓘ Alpone Valley	Mattioli et al. (2016)
ⓘ Monti Lessini (Lessini Mountains; Lessini Mounts)	Mattioli et al. (2021)
Verona Province Soave ⓘ Colombara (Ca' Visco)	Mattioli et al. (2008) +1 other reference

USA
Hawaii Honolulu County Oahu Island Honolulu ⓘ Moiliili Quarry	in the collection of Christof Schäfer

Willhendersonite

About WillhendersoniteHide

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