Zeolite Group.
This name now refers to the series of minerals, brewsterite-Ba and brewsterite-Sr, being the barium and strontium end-members of the brewsterite family. Most brewsterite will be the strontium end-member.

Unique IdentifiersHide

Mindat ID:

766

Long-form identifier:

mindat:1:1:766:5

Classification of Brewsterite SubgroupHide

Hey's CIM Ref.:

16.12.3

16 : Silicates Containing Aluminum and other Metals
12 : Aluminosilicates of Sr, Ba and Zn

Pronunciation of Brewsterite SubgroupHide

Pronunciation:

Play	Recorded by	Country
Jolyon Ralph	United Kingdom

Physical Properties of Brewsterite SubgroupHide

Lustre:

Vitreous

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	Link	Year	Locality	Pressure (GPa)	Temp (K)
0009286	Brewsterite-Sr	Perrotta A J, Smith J V (1964) The crystal structure of brewsterite, (Sr,Ba,Ca)(Al2Si6O16)5H2O* Acta Crystallographica 17 857-862	👁 Image	1964	Strontian, Argyll, Scotland	0	293
0008168	Brewsterite-Sr	Alberti A, Sacerdoti M, Quartieri S, Vezzalini G (1999) Heating-induced phase transformation in zeolite brewsterite: new 4- and 5-coordinated (Si,Al) sites Physics and Chemistry of Minerals 26 181-186	1999	0	293
0001845	Brewsterite-Sr	Akizuki M, Kudoh Y, Kuribayashi T (1996) Crystal structures of the {011}, {610}, and {010} growth sectors in brewsterite American Mineralogist 81 1501-1506	👁 Image	1996	0	293
0001843	Brewsterite-Sr	Akizuki M, Kudoh Y, Kuribayashi T (1996) Crystal structures of the {011}, {610}, and {010} growth sectors in brewsterite American Mineralogist 81 1501-1506	👁 Image	1996	0	293
0001844	Brewsterite-Ba	Akizuki M, Kudoh Y, Kuribayashi T (1996) Crystal structures of the {011}, {610}, and {010} growth sectors in brewsterite American Mineralogist 81 1501-1506	👁 Image	1996	0	293
0006480	Brewsterite-Ba	Cabella R, Lucchetti G, Palenzona A, Quartieri S, Vezzalini G (1993) First occurrence of a Ba-dominant brewsterite: structural features European Journal of Mineralogy 5 353-360	1993	0	293
0009605	Brewsterite-Sr	Schlenker J L, Pluth J J, Smith J V (1977) Refinement of the crystal structure of brewsterite, Ba0.5Sr1.5Al4Si12O3210H2O* Acta Crystallographica B33 2907-2910	👁 Image	1977	0	293

CIF Raw Data - click here to close

Synonyms of Brewsterite SubgroupHide

Brewsterite

Diagonite

Other Language Names for Brewsterite SubgroupHide

German:Brewsterit
Diagonit

Russian:Брюстерит

Spanish:Brewsterita
Diagonita

Relationship of Brewsterite Subgroup to other SpeciesHide

Member of:

Zeolite Group

Other Members of Zeolite 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
Arzamastsevite	K₆Al₅Si₆O₂₀(OH)₄Cl	Tet. 42m : I42m
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/m2/m2/m) : Imma
Chabazite-Levyne Subgroup	M[Al₂Si₄O₁₂] · 6H₂O
Chiavennite	CaMnBe₂Si₅O₁₃(OH)₂ · 2H₂O	Mon. 2/m : P2₁/b
Clinoptilolite Subgroup	(Na/Ca/K)_3-6[Al_6-7Si_29-30O₇₂] · 20H₂O
Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O	Orth. mmm(2/m2/m2/m)
Dachiardite Subgroup	Zeolite Group.
Direnzoite	NaK₆MgCa₂(Al₁₃Si₄₇O₁₂₀) · 36H₂O	Orth. mmm(2/m2/m2/m) : Pmmn
Edingtonite	Ba[Al₂Si₃O₁₀] · 4H₂O	Orth. 222 : P2₁2₁2₁
Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O	Mon.
Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
Fabrièsite	Na₃Al₃Si₃O₁₂ · 2H₂O	Orth. mm2 : Pmm2
Faujasite Subgroup	M_3.5[Al₇Si₁₇O₄₈] · 32H₂O
Ferrierite Subgroup	Name used for unanalysed specimens that could be either ferrierite-K, ferrierite-Mg, ...
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/m2/m2/m) : Pnma
Goosecreekite	Ca[Al₂Si₆O₁₆] · 5H₂O	Mon. 2 : P2₁
Gottardiite	Na₃Mg₃Ca₅Al₁₉Si₁₁₇O₂₇₂ · 93H₂O	Orth. mmm(2/m2/m2/m) : Cmca
Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Hsianghualite	Ca₃Li₂(Be₃Si₃O₁₂)F₂	Iso. 432 : I4₁32
Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl	Tet. 42m : P42₁c
Kirchhoffite	Cs(BSi₂O₆)	Tet. 4/mmm(4/m2/m2/m) : I4₁/acd
Laumontite	CaAl₂Si₄O₁₂ · 4H₂O	Mon. 2/m : B2/m
Leucite	K(AlSi₂O₆)	Tet. 4/m : I4₁/a
Limousinite	BaCa[Be₄P₄O₁₆] · 6H₂O	Mon. 2/m : P2₁/b
Lithosite	K₆Al₄Si₈O₂₅ · 2H₂O	Mon.
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/m2/m2/m) : Pmmn
Mazzite Subgroup	Zeolite Group.
Meierite	Ba₄₄Si₆₆Al₃₀O₁₉₂Cl₂₅(OH)₃₃	Iso. m3m(4/m32/m) : Im3m
Merlinoite	K₅Ca₂(Si₂₃Al₉)O₆₄ · 24H₂O	Orth. mmm(2/m2/m2/m) : Immm
Montesommaite	(K,Na)₉Al₉Si₂₃O₆₄ · 10H₂O	Orth. mm2 : Fdd2
Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O	Orth.
Mountainite	KNa₂Ca₂[Si₈O₁₉(OH)] · 6H₂O	Mon. 2/m : P2/b
Mutinaite	Na₃Ca₄Si₈₅Al₁₁O₁₉₂ · 60H₂O	Orth. mmm(2/m2/m2/m) : Pnma
Nabesite	Na₂BeSi₄O₁₀ · 4H₂O	Orth. 222 : P2₁2₁2₁
Natrolite Subgroup	A subgroup of the Zeolite Group.
Offretite	KCaMg(Si₁₃Al₅)O₃₆ · 15H₂O	Hex. 6m2 : P6m2
Pahasapaite	Li₈(Ca,Li,K)_10.5Be₂₄(PO₄)₂₄ · 38H₂O	Iso. 23 : I23
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/m2/m2/m) : P6/mmm
Phillipsite Subgroup	(Ca_0.5,K,Na,Ba_0.5)_4-7[Al_4-7Si_12-9O₃₂] ^. 12H₂O
Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O	Iso. m3m(4/m32/m) : Ia3d
Roggianite	Ca₂Be(OH)₂Al₂Si₄O₁₃ · 2.5H₂O	Tet. 4/mmm(4/m2/m2/m) : I4/mcm
Rongibbsite	Pb₂(Si₄Al)O₁₁(OH)	Mon. 2/m : B2/m
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.
Thornasite	(Na,K)₁₂Th₃[Si₈O₁₉]₄ · 18H₂O	Trig. 3m : R3m
Tschernichite	(Ca,Na₂)[Al₂Si₄O₁₂] · 4-8H₂O	Tet. 4/mmm(4/m2/m2/m) : P4/mmm
Tschörtnerite	Ca₄(Ca,Sr,K,Ba)₃Cu₃[Al₃Si₃O₁₂]₄(OH)₈ · nH₂O	Iso. m3m(4/m32/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. 422 : P4₁22
'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. 6m2 : P6₂m
Wilancookite	(Ba₅Li₂◻)Ba₆Be₂₄P₂₄O₉₆ · 26H₂O	Iso. 23 : I23
Willhendersonite	KCa[Al₃Si₃O₁₂] · 5H₂O	Tric. 1 : P1
Yugawaralite	CaAl₂Si₆O₁₆ · 4H₂O	Mon. m : Pb

Brewsterite Subgroup Members:

Brewsterite-Ba	Ba(Al₂Si₆)O₁₆ · 5H₂O	Mon. 2/m : P2₁/m
Brewsterite-Sr	Sr(Al₂Si₆)O₁₆ · 5H₂O	Mon. 2/m : P2₁/m

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 Brewsterite SubgroupHide

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References for Brewsterite SubgroupHide

Reference List:

Brooke, H. J. (1822) Edinburgh Philosophical Journal v6 p112.

Alberti, A., Sacerdoti, M., Quartieri, S., Vezzalini, G. (1999) Heating-induced phase transformation in zeolite brewsterite: new 4- and 5-coordinated (Si,Al) sites. Physics and Chemistry of Minerals, 26 (3) 181-186 doi:10.1007/s002690050175

Sacerdoti, Michele, Vezzalini, Giovanna, Quartieri, Simona (2000) Dehydration mechanism in brewsterite: single-crystal X-ray diffraction study. Microporous and Mesoporous Materials, 41 (1-3). 107-118 doi:10.1016/s1387-1811(00)00278-x

(2001) Brewsterite Subgroup. Handbook of Mineralogy. Mineralogical Society of America

Localities for Brewsterite SubgroupHide

Showing 39 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 👁 Image
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Locality ListHide

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- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- 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.

Canada
British Columbia Osoyoos Mining Division Olalla ⓘ Yellow Lake	[Brewsterite-Sr] Tschernich (1992)
Ontario Peterborough County Havelock-Belmont-Methuen Township ⓘ Blue Mountain Quarry (Unimin Quarry)	[Brewsterite-Ba] Van Velthuizen et al. (2006) +1 other reference
Costa Rica
Alajuela Province Sarchí Canton ⓘ Poás Volcano	Rodríguez et al. (2017)
France
Auvergne-Rhône-Alpes Savoie Albertville Sainte-Foy-Tarentaise ⓘ Invernet glacier	[Brewsterite-Ba] Guichon (2006)
ⓘ Le Mont Bonhomme	www.micromineral.org (2004)
Occitanie Hautes-Pyrénées Argelès-Gazost Barèges ⓘ Bat de Batère	Laurent Gayraud collection
ⓘ Tourmalet pass	Ph. Rémy et Ph. Font (2007)
Luz-Saint-Sauveur Rioumajou Valley ⓘ Pont Napoléon Quarry (Rioumajou Quarry)	Queneau (n.d.)
ⓘ Aure Valley	De Ascenção Guedes et al. (2002)
Germany
Lower Saxony Goslar District Braunlage ⓘ St Andreasberg
Ireland
Leinster Wicklow County Glendasan ⓘ Old Luganure mine	[Brewsterite-Ba] Green et al. (2005)
Italy
Liguria La Spezia Province Borghetto di Vara ⓘ Cerchiara Mine	[Brewsterite-Ba] Cabella et al. (1993)
Mexico
Baja California Sur Mulegé Municipality Santa Rosalía Boleo District Arroyo de la Soledad ⓘ Santa Rita Mine	Panczner (1987)
Norway
Buskerud Flesberg Vinoren Silver Mine Field Vinoren Southern Mines ⓘ Northern Ravnås Prospect	[Brewsterite-Ba, Brewsterite-Sr] Larsen +1 other reference
Kongsberg ⓘ Bratteskjerpet Mine	[Brewsterite-Ba, Brewsterite-Sr] Larsen +1 other reference
ⓘ Gamlegrendåsen	[Brewsterite-Ba] Nordrum et al. (2017)
Innlandet Sel ⓘ Sjoa	Garmo (1999)
ⓘ Åmot	[Brewsterite-Ba, Brewsterite-Sr] Larsen +1 other reference
Trøndelag Snåsa ⓘ Heimsjø	[Brewsterite-Sr] Larsen +1 other reference
Russia
Buryatia Mama River Basin Maigunda River ⓘ Burpala alkaline massif	[Brewsterite-Sr] A.M. Portnov data +1 other reference
South Africa
Mpumalanga ⓘ Drakensberg Formation basalt	Cairncross et al. (1995)
UK
England Cumbria Allerdale Caldbeck Roughton Gill ⓘ Roughton Gill Mine ?	Hall (1868) +2 other references
Scotland Highland Fort William and Ardnamurchan ⓘ Strontian	[Brewsterite-Ba, Brewsterite-Sr] Probed (Marco E. Ciriotti information)
ⓘ Bellsgrove Mine (Bellsgrove Opencut)	[Brewsterite-Sr] Tschernich (1992)
ⓘ Bellsgrove Quarry (Strontian Barytes Mine; Middleshop mine)
ⓘ Clashgorm Mine
ⓘ Whitesmith Mine	[Brewsterite-Sr] Green et al. (2005) +2 other references
USA
California Mendocino County Pieta Ash Creek ⓘ Ash Creek locality ?	Murdoch (1966) +1 other reference
Connecticut Fairfield County ⓘ Danbury ?	Pawloski (1965) +1 other reference
ⓘ North Street mall ?	Januzzi et al. (1976)
New York Lewis County Diana Township ⓘ Gouverneur Talc Company No. 4 Quarry (Valentine deposit)	[Brewsterite-Ba, Brewsterite-Sr] Robinson et al. (1993)

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