Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Stillwellite-(Ce)

This page is currently not sponsored. Click here to sponsor this page.
Frank L. Stillwell
Formula:
CeBSiO5
Colour:
Pale violet-gray, light ...
Name:
Named in 1955 by J. McAndrew and T.R. Scott in honor of Frank Leslie Stillwell (27 June 1888, Hawthorn, Australia - 8 February 1963, Melbourne, Australia), Australian ore mineralogist with CSIRO and an Antarctic explorer. He worked on Broken Hill and Kalgoorlie gold field, among other places.
This page provides mineralogical data about Stillwellite-(Ce).


Classification of Stillwellite-(Ce)

Approved, 'Grandfathered' (first described prior to 1959)
9.AJ.25

9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4
54.2.3.2

54 : NESOSILICATES Borosilicates and Some Beryllosilicates
2 : Borosilicates and Some Beryllosilicates with B in [4] coordination
17.5.18

17 : Silicates Containing other Anions
5 : Borosilicates

Type Occurrence of Stillwellite-(Ce)

Physical Properties of Stillwellite-(Ce)

Vitreous, Greasy
Diaphaneity (Transparency):
Translucent
Colour:
Pale violet-gray, light pink, brownish yellow, orange

Optical Data of Stillwellite-(Ce)

Type:
Uniaxial (+)
RI values:
nω = 1.765 nε = 1.780
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Stillwellite-(Ce)

Formula:
CeBSiO5
Elements listed in formula:

Relationship of Stillwellite-(Ce) to other Species

9.AJ.05GrandidieriteMgAl3O2(BO3)SiO4
9.AJ.05OmineliteFe2+Al3O2(BO3)SiO4
9.AJ.10DumortieriteAlAl6BSi3O18
9.AJ.10Holtite(Ta0.60.4)Al6BSi3O18
9.AJ.10MagnesiodumortieriteMgAl6BSi3O17(OH)
9.AJ.15GarrelsiteNaBa3B7Si2O16(OH)4
9.AJ.20BakeriteCa4(H5B5Si3O20)
9.AJ.20DatoliteCaB(SiO4)(OH)
9.AJ.20Gadolinite-(Ce)Fe2+Be2Ce2(SiO4)2O2
9.AJ.20Gadolinite-(Y)Fe2+Be2Y2(SiO4)2O2
9.AJ.20Hingganite-(Ce)BeCe(SiO4)(OH)
9.AJ.20Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2
9.AJ.20Hingganite-(Yb)BeYb(SiO4)(OH)
9.AJ.20HomiliteCa2Fe2+B2(SiO4)2O2
9.AJ.20Melanocerite-(Ce)Ce5(SiO4,BO4)3(OH,O)
9.AJ.20Minasgeraisite-(Y)CaBe2Y2(SiO4)2O2
9.AJ.20Calcybeborosilite-(Y)(Y,Ca)2(□,Fe2+)(B,Be)2[SiO4]2(OH,O)2
9.AJ.30Cappelenite-(Y)BaY6B6Si3O24F2
9.AJ.35Okanoganite-(Y)(Y,REE,Ca,Na,Th)16(Fe3+,Ti)(Si,B,P)10(O,OH)38F10
9.AJ.35Vicanite-(Ce)(Ca,Ce,La,Th)15As5+(As3+,Na)0.5Fe3+0.7Si6B4(O,F)47
9.AJ.35Hundholmenite-(Y)(Y,REE,Ca,Na)15(Al,Fe3+)Cax(As3+)1-x(Si,As5+)Si6B3(O,F)48
9.AJ.35Proshchenkoite-(Y)(Y,REE,Ca,Na,Mn)15CaFe2+(P,Si)Si6B3O34F14
9.AJ.40JadariteLiNaB3SiO7(OH)
17.5.1ManandoniteLi2Al4(Si2AlB)O10(OH)8
17.5.2ReedmergneriteNaBSi3O8
17.5.3SearlesiteNaBSi2O5(OH)2
17.5.4OleniteNaAl3Al6(Si6O18)(BO3)3(O3)OH
17.5.5ElbaiteNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3OH
17.5.6KalborsiteK6Al4BSi6O20(OH)4Cl
17.5.7BoromuscoviteKAl2(Si3B)O10(OH)2
17.5.8PoudretteiteKNa2(B3Si12)O30
17.5.9LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.10DatoliteCaB(SiO4)(OH)
17.5.11DanburiteCaB2Si2O8
17.5.12HowliteCa2B5SiO9(OH)5
17.5.13BakeriteCa4(H5B5Si3O20)
17.5.14OyeliteCa10B2Si8O29 · 12H2O
17.5.15Kornerupine(Mg,Fe2+,Al,◻)10(Si,Al,B)5O21(OH,F)
17.5.16HarkeriteCa12Mg4Al(SiO4)4(BO3)3(CO3)5 · H2O
17.5.17SerendibiteCa4(Mg6Al6)O4[Si6B3Al3O36]
17.5.19Tadzhikite-(Ce)
17.5.20Melanocerite-(Ce)Ce5(SiO4,BO4)3(OH,O)
17.5.21Okanoganite-(Y)(Y,REE,Ca,Na,Th)16(Fe3+,Ti)(Si,B,P)10(O,OH)38F10
17.5.22Tritomite-(Ce)Ce5(SiO4,BO4)3(OH,O)
17.5.23Tritomite-(Y)Y5(SiO4,BO4)3(O,OH,F)
17.5.24Cappelenite-(Y)BaY6B6Si3O24F2
17.5.25DumortieriteAlAl6BSi3O18
17.5.26Holtite(Ta0.60.4)Al6BSi3O18
17.5.27DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3OH
17.5.28 FerridraviteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
17.5.29Axinite-(Mg)Ca4Mg2Al4[B2Si8O30](OH)2
17.5.30UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
17.5.31GarrelsiteNaBa3B7Si2O16(OH)4
17.5.32TienshaniteK(Na,K,◻)9Ca2Ba6Mn62+Ti6B12Si36O114(O,OH,F)11
17.5.33LeucospheniteNa4BaTi2B2Si10O30
17.5.34TaramelliteBa4(Fe3+,Ti)4O2[B2Si8O27]Clx; x = 0 to 1
17.5.35TitantaramelliteBa4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx
17.5.36NagashimaliteBa4(V3+,Ti)4(O,OH)2[B2Si8O27]Cl
17.5.37Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
17.5.38WawayandaiteCa6Be9Mn22+BSi6O23(OH,Cl)15
17.5.39WerdingiteMg2Al14Si4B4O37
17.5.40Axinite-(Mn)Ca4Mn22+Al4[B2Si8O30](OH)2
17.5.41Axinite
17.5.42TinzeniteCa2Mn42+Al4[B2Si8O30](OH)2
17.5.44SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3OH
17.5.45Fluor-buergeriteNaFe33+Al6(Si6O18)(BO3)3O3F
17.5.46FeruviteCaFe32+(Al5Mg)(Si6O18)(BO3)3(OH)3OH
17.5.47Axinite-(Fe)Ca4Fe22+Al4[B2Si8O30](OH)2
17.5.48HomiliteCa2Fe2+B2(SiO4)2O2
17.5.49GrandidieriteMgAl3O2(BO3)SiO4
17.5.50Hyalotekite(Ba,Pb,K)4(Ca,Y)2(B,Be)2(Si,B)2Si8O28F
17.5.51Hellandite-(Y)(Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2

Other Names for Stillwellite-(Ce)

Name in Other Languages:
Simplified Chinese:菱硼硅铈矿
Traditional Chinese:菱硼矽鈰礦

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 Stillwellite-(Ce)

Reference List:
McAndrew, J., Scott, T.R. (1955) Stillwellite, a new rare-earth mineral from Queensland. Nature: 176: 509-510.

Fleischer, M. (1956) New mineral names. American Mineralogist: 41: 370-372.

Voronkov, A.A., Pyatenko, Y.A. (1967) X-ray diffraction study of the atomic structure of stillwellite CeBO[SiO4]. Soviet Physics - Crystallography: 12: 214-220.

Jambor, J.L. (1992) New mineral names. American Mineralogist: 77: 1305-1309.

Callegari, A., Giuseppetti, G., Mazzi, F., Tadini, C. (1992) The refinement of the crystal structure of stillwellite: RE[BSiO5]. Neues Jahrbuch für Mineralogie, Monatshefte: 1992: 49-57.

Burns, P.C., Hawthorne, F.C., MacDonald, D.J., Della Ventura, G., Parodi, G.C. (1993) The crystal structure of stillwellite. Canadian Mineralogist: 31: 147-152.

Grew, E.S., Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Stillwellite-(Ce)

mindat.org URL:
http://www.mindat.org/min-3788.html
Please feel free to link to this page.

Localities for Stillwellite-(Ce)

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.
Angola
 
  • Huambo Province
    • Bailundo City Council
Beleque, A. R. C. (2010). Minerais de ETR no complexo carbonatítico de Bailundo (Mungo, Angola): ocorrência, composição e significado económico.
Australia (TL)
 
  • Queensland
    • Cloncurry Shire
      • Rosebud Station
        • Mary Kathleen district
Nature 1955, 509; USGS Open File Report 81-1666
Canada
 
  • Ontario
    • Haliburton Co.
      • Monmouth Township
Sabina, A.P. (1982): Some rare minerals of the Bancroft area. Mineralogical Record 13 (4), 225 ;Geological Survey of Canada Miscellaneous Report 39; Christopher Fouts (1999) Report of Assessment Work Physical Assessment Geotechnical Assessment Mining claim: S.O. 1195060 SI/3, lot 31, con. XVII, Monmouth Township, Haliburton County
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
China
 
  • Liaoning Province (Manchuria; Dongbei Region)
Garrett, D.E. (1998): Borates - Handbook of Deposits, Processing, Properties and Use. Academic Press (San Diego, London), 475 pp.
France
 
  • Occitanie
    • Ariège
Patrice Queneau Collection
Greenland
 
  • Kujalleq
    • Narsaq
Soerensen, H. (2001): The Ilimaussaq alkaline complex, South Greenland: status of mineralogical research with new results, Geology of Greenland Survey Bulletin 190, GEUS; Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
Italy
 
  • Latium
    • Rome Province
Caponera, I., Fiori, S., Pucci, R., & Signoretti, E. (2007). I minerali dei Colli Albani. Un aggiornamento sugli ultimi dieci anni di ricerche. Rivista Mineralogica Italiana, 31 (2), 74-91.
      • Sacrofano Caldera
        • Sacrofano
    • Viterbo Province
Della Ventura, G., Parodi, G.C., Stoppani, F.S. (1987): Minerali del Lazio. Rivista Mineralogica Italiana, 1/1987, 157-166
      • Vico Lake
        • Vetralla
O. Dziallas
No reference listed
Carlini, R., Signoretti, E., 2003. Località minori del vulcano Vicano: Villa S.Giovanni in Tuscia e Mazzocchio. Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 33-41
Japan
 
  • Honshu Island
    • Chubu Region
      • Gifu Prefecture
        • Nakatsugawa City
Hori (1974) Sanko-Gakkai Kou'en-Youshi, 3.
Norway
 
  • Vestfold
    • Larvik
Neumann, H.; Bergstøl, S. & Nilssen, B.(1966)." Stillwellite in the Langesundfjord nepheline syenite pegmatite dykes ". Norsk Geologisk Tidsskrift 46: 327-334
        • Barkevik area
Neumann, H.; Bergstøl, S. & Nilssen, B.(1966)." Stillwellite in the Langesundfjord nepheline syenite pegmatite dykes ". Norsk Geologisk Tidsskrift 46: 327-334
Romania
 
  • Harghita Co.
Hirtopanu Paulina, Andersen C. Jens, Fairhurst J. Robert and Jakab Gyula (2013) Allanite-(Ce) and its associations, from the Ditrau alkaline intrusive massif. Proc. Rom. Acad., Series B, 2013, 15(1), p. 59–74
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
[World of Stones 12:49]
        • Aldan
http://geo.web.ru/druza/l-Inagli.htm
Tajikistan
 
  • Region of Republican Subordination
    • Tien Shan Mtn
      • Alai Range (Alayskiy)
Canadian Mineralogist 42:107-119 (2004); Pautov L.A., Agakhanov A.A., Sokolova E.V., Hawthorne F., Karpenko V.Yu. (2011) Byzantievite, Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O21[(OH),F]43(H2O)1.5, a new mineral. New Data on Minerals 46:5-12; Agakhanov A.A., Pautov L.A., Karpenko V.Yu., Bekenova G.K., Uvarova Y.A. (2011) Orlovite, KLi2 TiSi4 O11F, a new mineral of the mica group New Mineral Data 46:13-19; Agakhanov, A.A., Pautov, L.A., Sokolova, E., Hawthorne, F.C., Karpenko, V.Yu., Siidra, O.I., Muftakhov, V.A. (2016): Odigitriaite, CsNa5Ca5[Si14B2O38]F2, a new cesium borosilicate mineral from the Darai-Pioz alkaline massif, Tajikistan: Description and crystal structure. Mineralogical Magazine, 80, (in press).
USA
 
  • New York
    • Essex Co.
Rocks & Min. (2007) 82:242
        • Moriah Township
http://gsa.confex.com/gsa/2005NE/finalprogram/abstract_83497.htm ; Rocks & Minerals 82:472-483
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2016, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 10, 2016 18:31:18 Page generated: December 10, 2016 00:02:56
Go to top of page