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Brewsterite-Sr

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David Brewster
Formula:
Sr(Al2Si6)O16 · 5H2O
Colour:
White
Lustre:
Vitreous
Hardness:
5
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-Sr

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

Physical Properties of Brewsterite-Sr

Vitreous
Colour:
White
Streak:
White
Hardness (Mohs):
5

Optical Data of Brewsterite-Sr

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-Sr

IMA Formula:
Sr(Al2Si6)O16 · 5H2O
Elements listed in formula:

Type Occurrence of Brewsterite-Sr

Relationship of Brewsterite-Sr to other Species

Member of:
Other Members of Group:
AlflarseniteNaCa2Be3Si4O13(OH) · 2H2O
AmiciteK2Na2Al4Si4O16 · 5H2O
Ammonioleucite(NH4,K)(AlSi2O6)
AnalcimeNa(AlSi2O6) · H2O
Barrerite(Na,K,Ca0.5)2[Al2Si7O18] · 7H2O
Bellbergite(K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O
BikitaiteLiAlSi2O6 · H2O
BoggsiteCa8Na3(Si,Al)96O192 · 70H2O
Brewsterite-Ba(Ba,Sr)[Al2Si6O16] · 5H2O
Chabazite-Levyne SubgroupA subgroup of the Zeolite Group.
ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2O
ClinoptiloliteNote on the distinguishing differences between clinoptilolite and heulandite (hhttp://rruff.
CowlesiteCaAl2Si3O10 · 6H2O
Dachiardite-Ca(Ca,Na2,K2)5Al10Si38O96 · 25H2O
Dachiardite-KK4(Si20Al4O48)·13H2O
Dachiardite-Na(Na2,Ca,K2)5Al10Si38O96 · 25H2O
DirenzoiteNaK6MgCa2(Al13Si47O120) · 36H2O
EdingtoniteBa[Al2Si3O10] · 4H2O
EpistilbiteCaAl2Si6O16 · 5H2O
ErioniteThis name now refers to a group of related minerals.
Faujasite SubgroupA subgroup of the Zeolite Group.
FerrieriteZeolite Group.
FerrochiavenniteCa1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2O
Flörkeite(K3Ca2Na)[Al8Si8O32] · 12H2O
Garronite-CaNa2Ca5Al12Si20O64 · 27H2O
GaultiteNa4Zn2Si7O18 · 5H2O
Gismondine-BaBa2Al4Si4O16 · 4-6H2O
Gismondine-CaCaAl2Si2O8 · 4H2O
GmeliniteIn 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
GobbinsiteNa5(Si11Al5)O32 · 11H2O
GoosecreekiteCa[Al2Si6O16] · 5H2O
GottardiiteNa3Mg3Ca5Al19Si117O272 · 93H2O
Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
HeulanditeNote on the distinguishing differences between heulandite and clinoptilolite (http://rruff.
HsianghualiteCa3Li2(Be3Si3O12)F2
KirchhoffiteCs(BSi2O6)
LaumontiteCaAl2Si4O12 · 4H2O
LovdariteK2Na6Be4Si14O36 · 9H2O
MaricopaitePb7Ca2(Si,Al)48O100 · 32H2O
Mazzite-Mg(Mg,K,Ca)5(Si26Al10)O72 · 28H2O
Mazzite-NaNa8[Al4Si14O36]2 · 30H2O
Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O
Montesommaite(K,Na)9Al9Si23O64 · 10H2O
Mordenite(Na2,Ca,K2)Al2Si10O24 · 7H2O
MutinaiteNa3Ca4Si85Al11O192 · 60H2O
NabesiteNa2BeSi4O10 · 4H2O
Natrolite SubgroupA subgroup of the Zeolite Group.
OffretiteKCaMg(Si13Al5)O36 · 15H2O
PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2O
ParthéiteCa2(Si4Al4) O15 (OH)2•4H2O
Paulingite-Ca(Ca,K,Na,Ba,◻)10 (Si, Al)42O84•34H2O
Paulingite-K(K2,Ca,Na2,Ba)5[Al10Si35O90] · 45H2O
Paulingite-Na(Na2,K2,Ca,Ba)5[Al10Si35O90] · 45H2O
PerlialiteK9Na(Ca,Sr)[Al2Si4O12]6 · 15H2O
PhillipsiteZeolite Group.
Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
RoggianiteCa2Be(OH)2Al2Si4O13 · 2.5H2O
StelleriteCa4(Si28Al8)O72 · 28H2O
Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
Terranovaite(Na,Ca)8(Si68Al12)O160 · 29H2O
Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Thomsonite-SrNa(Sr,Ca)2[Al5Si5O20] · 7H2O
Tschernichite(Ca,Na2)[Al2Si4O12] · 4-8H2O
TschörtneriteCa4(Ca,Sr,K,Ba)3Cu3[(OH)2|Al3Si3O12]4 · nH2O
WairakiteCa(Al2Si4O12) · 2H2O
WeinebeneiteCaBe3(PO4)2(OH)2 · 4H2O
Wenkite(Ba,K)4(Ca,Na)6[(SO4)3|(Si,Al)20O39(OH)2] · 0.5H2O
WillhendersoniteKCa[Al3Si3O12] · 5H2O
YugawaraliteCaAl2Si6O16 · 4H2O
9.GE.05Clinoptilolite-CaCa3(Si30Al6)O72 · 20H2O
9.GE.05Clinoptilolite-KK6(Si30Al6)O72 · 20H2O
9.GE.05Clinoptilolite-NaNa6(Si30Al6)O72 · 20H2O
9.GE.05Heulandite-Ca(Ca,Na,K)5(Si27Al9)O72 · 26H2O
9.GE.05Heulandite-K(K,Ca,Na)5(Si27Al9)O72 · 26H2O
9.GE.05Heulandite-Na(Na,Ca,K)6(Si,Al)36O72 · 22H2O
9.GE.05Heulandite-Sr(Sr,Ca,Na)5(Si27Al9)O72 · 24H2O
9.GE.05Heulandite-Ba(Ba,Ca,K)5(Si27Al9)O72 · 22H2O
9.GE.10Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
9.GE.10Stilbite-NaNa9(Si27Al9)O72 · 28H2O
9.GE.15BarreriteNa2(Al2Si7)O18 · 6H2O
9.GE.15StelleriteCa4(Si28Al8)O72 · 28H2O
9.GE.20Brewsterite-BaBa(Al2Si6)O16 · 5H2O

Other Names for Brewsterite-Sr

Name in Other Languages:
Simplified Chinese:锶沸石
Traditional Chinese:鍶沸石

Other Information

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-Sr

Reference List:
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.

Internet Links for Brewsterite-Sr

mindat.org URL:
https://www.mindat.org/min-6833.html
Please feel free to link to this page.

Localities for Brewsterite-Sr

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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
      • Svene
        • Kongsberg Silver Mining District
          • 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
      • Kongsberg Silver Mining District
        • Overberget Mining Field
Larsen, A.O.; Nordrum, F.S. & Erambert, M. (2003): Mineraler i brewsterittserien fra norske lokaliteter. Bergverksmuseet Skrift 25: 41-42
  • Nord-Trøndelag
    • Snåsa
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
UK (TL)
 
  • Scotland
    • North West Highlands
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).
Mineral and/or Locality  
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