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Brewsterite-Sr

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About Brewsterite-SrHide

05348720014946658654054.jpg
David Brewster
Formula:
(Sr,Ba,Ca)[Al2Si6O16] · 5H2O
Colour:
White
Lustre:
Vitreous
Hardness:
5
Crystal System:
Monoclinic
Member of:
Name:
Named after David Brewster (1781-1868), Scottish physicist, who studied the optical properties of minerals and the element strontium.
Zeolite Group. The strontium analogue of Brewsterite-Ba.


Classification of Brewsterite-SrHide

Approved, 'Grandfathered' (first described prior to 1959)
9.GE.20

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
E : Chains of T10O20 Tetrahedra

Pronounciation of Brewsterite-SrHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of Brewsterite-SrHide

Vitreous
Colour:
White
Streak:
White
Hardness:

Optical Data of Brewsterite-SrHide

Type:
Biaxial (+)
RI values:
nα = 1.510 nβ = 1.512 nγ = 1.523
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none

Chemical Properties of Brewsterite-SrHide

Formula:
(Sr,Ba,Ca)[Al2Si6O16] · 5H2O
IMA Formula:
Sr(Al2Si6)O16 · 5H2O

Crystallography of Brewsterite-SrHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 6.77 Å, b = 17.51 Å, c = 7.74 Å
β = 94.3°
Ratio:
a:b:c = 0.387 : 1 : 0.442
Unit Cell V:
914.94 ų (Calculated from Unit Cell)

Type Occurrence of Brewsterite-SrHide

Other Language Names for Brewsterite-SrHide

Simplified Chinese:锶沸石
Traditional Chinese:鍶沸石

Relationship of Brewsterite-Sr to other SpeciesHide

Member of:
Other Members of this group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2OMon. 2 : P21
AmiciteK2Na2Al4Si4O16 · 5H2OMon. 2
Ammonioleucite(NH4)(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
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 (http://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] · 4H2OOrth. 2 2 2 : P21 21 21
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 · 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.
HeulanditeNote on the distinguishing differences between heulandite and clinoptilolite (http://rruff.
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.
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[Al3Si3O12]4(OH)8 · nH2OIso. m3m (4/m 3 2/m) : Fm3m
UM1996-38-SiO:AlCaHNaNa-Ca-Al-Si-O-H
UM1999-33-SiO:AlHKNaK7Na5Al12Si20O64•24H2O
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.
YugawaraliteCaAl2Si6O16 · 4H2OMon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Brewsterite-Sr associated with Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
2 photos of Brewsterite-Sr associated with Heulandite-Sr(Sr,Na,Ca)5(Si27Al9)O72 · 24H2O
1 photo of Brewsterite-Sr associated with StrontianiteSrCO3

Related Minerals - Nickel-Strunz GroupingHide

9.GE.05Clinoptilolite-CaCa3(Si30Al6)O72·20H2OMon.
9.GE.05Clinoptilolite-KK6(Si30Al6)O72·20H2OMon. 2/m
9.GE.05Clinoptilolite-NaNa6(Si30Al6)O72·20H2OMon. 2/m : B2/m
9.GE.05Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2OMon. 2/m : B2/m
9.GE.05Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2OMon. 2/m : B2/m
9.GE.05Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2OMon. 2/m : B2/m
9.GE.05Heulandite-Sr(Sr,Na,Ca)5(Si27Al9)O72 · 24H2OMon. 2/m : B2/m
9.GE.05Heulandite-Ba(Ba,Ca,K)5(Si27Al9)O72 · 22H2OMon. 2/m : B2/m
9.GE.10Stilbite-CaNaCa4[Al9Si27O72] · nH2OMon. 2/m : B2/m
9.GE.10Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2OMon. 2/m : B2/m
9.GE.15Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2OOrth. mmm (2/m 2/m 2/m)
9.GE.15StelleriteCa4(Si28Al8)O72 · 28H2OOrth. mmm (2/m 2/m 2/m) : Fmmm
9.GE.20Brewsterite-Ba(Ba,Sr)[Al2Si6O16] · 5H2OMon. 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.

References for Brewsterite-SrHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Schlenker J L, Pluth J J, Smith J V (1977) Refinement of the crystal structure of brewsterite, Ba0.5Sr1.5Al4Si12O32·10(H2O). Acta Crystallographica B33, 2907-2910
Coombs, D.S. et Al. (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.
Alberti, A., M. Sacerdoti, S. Quartieri, and G. Vazzalini (1999), Heating-induced phase transformation in zeolite brewsterite: new 4- and 5-coordinated (Si,Al) sites: Physics and Chemistry of Minerals: 26: 181-186.
Sacerdoti, M., G. Vazzalini, and S. Quartieri (2000), Dehydration mechanism in brewsterite: Single crystal X-ray diffraction study: Microporous and Mesoporous Materials: 41: 107-118.
Perrotta A J, Smith J V (1964) The crystal structure of brewsterite, (Sr,Ba,Ca)Al2Si6O16·5(H2O). Acta Crystallographica 17, 857-862

Internet Links for Brewsterite-SrHide

Localities for Brewsterite-SrHide

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.
Canada
 
  • British Columbia
    • Osoyoos Mining Division
      • Olalla
Artioli, G., Smith, J. V., & Kvick, A. (1985). Multiple hydrogen positions in the zeolite brewsterite,(Sr0. 95, Ba0. 05) Al2Si6O16. 5H2O. Acta Crystallographica Section C: Crystal Structure Communications, 41(4), 492-497.
Norway
 
  • Buskerud
    • Flesberg
      • Vinoren Silver Mine Field
        • Vinoren Southern Mines
Larsen, A.O.; Nordrum, F.S. & Erambert, M. (2003): Mineraler i brewsterittserien fra norske lokaliteter. Bergverksmuseet Skrift 25: 41-42
    • Kongsberg
Larsen, A.O.; Nordrum, F.S. & Erambert, M. (2003): Mineraler i brewsterittserien fra norske lokaliteter. Bergverksmuseet Skrift 25: 41-42
  • Oppland
    • Sel
      • Sjoa
Larsen, A.O.; Nordrum, F.S. & Erambert, M. (2003): Mineraler i brewsterittserien fra norske lokaliteter. Bergverksmuseet Skrift 25: 41-42
  • Trøndelag
    • Snåsa
Larsen, A.O.; Nordrum, F.S. & Erambert, M. (2003): Mineraler i brewsterittserien fra norske lokaliteter. Bergverksmuseet Skrift 25: 41-42
UK (TL)
 
  • Scotland
    • Highland
Brooke, H. J. (1822) Edinburgh Philosophical Journal v6 p112.
Zeolites of the World, Rudy W. Tschernich 1992
No reference listed
USA
 
  • New York
    • Lewis Co.
      • Diana Township
Chamberlain, Steven C., Vandall T. King, Donald Cooke, George W. Robinson & Wayne Holt (1999), Minerals of the Gouverneur Talc Company No. 4 Quarry (Valentine deposit), Town of Diana, Lewis County, New York: Rocks & Minerals: 74(4): 236-249 (July, 1999).
 
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