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Sillénite

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Formula:
Bi
 
12
SiO
 
20
System:IsometricColour:Olive-green, ...
Lustre:Waxy, Dull, Earthy
Name:Named after Lars Gunnar Sillén (b. 1916), of Stockholm, Sweden, who worked extensively on bismuth-oxygen compounds.
This page provides mineralogical data about Sillénite.

Classification of Sillénite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Nickel-Strunz 10th (pending) edition ID:4.CB.70

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
Dana 8th edition ID:4.3.12.1

4 : SIMPLE OXIDES
3 : A2X3
Hey's CIM Ref.:7.13.13

7 : Oxides and Hydroxides
13 : Oxides of As, Sb and Bi
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Type Occurrence of Sillénite

Type Locality:Durango, Mexico

Physical Properties of Sillénite

Lustre:Waxy, Dull, Earthy
Colour:Olive-green, yellowish-green, gray- or brown-green
Density (calculated):8.8 g/cm3

Crystallography of Sillénite

Crystal System:Isometric
Class (H-M):4 3m - Hextetrahedral
Morphology:Fine-grained masses.

Optical Data of Sillénite

Type:Isotropic
Type:Isotropic

Chemical Properties of Sillénite

Formula:
Bi
 
12
SiO
 
20
Simplified for copy/paste:Bi12SiO20
Essential elements:Bi, O, Si
All elements listed in formula:Bi, O, Si
CAS Registry number:12272-31-0

CAS Registry numbers are published by the American Chemical Society

Relationship of Sillénite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.CB.05Brizziite
NaSb
5+
 
O
 
3
4.CB.05Corundum
Al
 
2
O
 
3
4.CB.05Ecandrewsite
(Zn,Fe
2+
 
,Mn
2+
 
)TiO
 
3
4.CB.05Eskolaite
Cr
 
2
O
 
3
4.CB.05Geikielite
MgTiO
 
3
4.CB.05Hematite
Fe
 
2
O
 
3
4.CB.05Ilmenite
Fe
2+
 
TiO
 
3
4.CB.05Karelianite
V
3+
2
O
 
3
4.CB.05Melanostibite
Mn
2+
 
(Sb
5+
 
,Fe
3+
 
)O
 
3
4.CB.05Pyrophanite
Mn
2+
 
TiO
 
3
4.CB.05Akimotoite
(Mg,Fe
2+
 
)SiO
 
3
4.CB.05Auroantimonate
AuSbO
 
3
4.CB.05Romanite
(◻,Pb,Ca)UFe
2+
2
(Ti,Fe
3+
 
)
 
6
Ti
 
12
O
 
38
4.CB.05UM1998-11-O-AuHSb
Au
+
2
Sb
3+
 
O
 
2
(OH)
4.CB.05Tistarite
Ti
3+
2
O
 
3
4.CB.10Avicennite
Tl
 
2
O
 
3
4.CB.10Bixbyite
Mn
3+
2
O
 
3
4.CB.15Armalcolite
(Mg,Fe
2+
 
)Ti
 
2
O
 
5
4.CB.15Pseudobrookite
Fe
 
2
TiO
 
5
4.CB.20Zincohögbomite-2N2S
[(Zn,Al,Fe
2+
 
)
 
3
(Al,Fe
3+
 
,Ti)
 
8
O
 
15
(OH)]
 
2
4.CB.20Zincohögbomite-2N6S
[(Zn,Mg)
 
7
(Al,Fe
3+
 
,Ti)
 
16
O
 
31
(OH)]
 
2
4.CB.20Magnesiohögbomite-6N6S
[(Mg,Fe
2+
 
)
 
3
(Al,Ti,Fe
3+
 
)
 
8
O
 
15
(OH)]
 
6
4.CB.20Magnesiohögbomite-2N3S
[(Mg,Fe
2+
 
,Zn)
 
4
(Al,Ti,Fe
3+
 
)
 
10
O
 
19
(OH)]
 
2
4.CB.20Magnesiohögbomite-2N2S
[(Mg,Fe
2+
 
)
 
3
[Al
 
7
(Ti,Fe
3+
 
)]O
 
15
(OH)]
 
2
4.CB.20Ferrohögbomite-6N12S
[(Fe
2+
 
,Mg,Zn)
 
5
(Al,Ti,Fe
3+
 
)
 
12
O
 
23
(OH)]
 
6
4.CB.25Pseudorutile
Fe
 
2
Ti
 
3
O
 
9
4.CB.25Kleberite
FeTi
 
6
O
 
11
(OH)
 
5
4.CB.30Berdesinskiite
V
3+
2
TiO
 
5
4.CB.30Oxyvanite
V
3+
2
V
4+
 
O
 
5
4.CB.35Olkhonskite
(Cr,V)
 
2
Ti
 
3
O
 
9
4.CB.35Schreyerite
V
3+
2
Ti
 
3
O
 
9
4.CB.40Kamiokite
Fe
 
2
Mo
 
3
O
 
8
4.CB.40Nolanite
(V
3+
 
,Fe
3+
 
,Fe
2+
 
,Ti)
 
10
O
 
14
(OH)
 
2
4.CB.40Rinmanite
Zn
 
2
Sb
 
2
Mg
 
2
Fe
 
4
O
 
14
(OH)
 
2
4.CB.40Iseite
Mn
 
2
Mo
 
3
O
 
8
4.CB.40Majindeite
Mg
 
2
Mo
 
3
O
 
8
4.CB.45Claudetite
As
 
2
O
 
3
4.CB.45Stibioclaudetite
AsSbO
 
3
4.CB.50Arsenolite
As
 
2
O
 
3
4.CB.50Sénarmontite
Sb
 
2
O
 
3
4.CB.55Valentinite
Sb
 
2
O
 
3
4.CB.60Bismite
Bi
 
2
O
 
3
4.CB.65Sphaerobismoite
Bi
 
2
O
 
3
4.CB.75Kyzylkumite
Ti
 
2
V
3+
 
O
 
5
(OH)
4.CB.80Tietaiyangite
Fe
3+
4
Fe
2+
 
TiO
 
9
Related Minerals - Hey's Index Grouping:

- +
7.13.1Arsenolite
As
 
2
O
 
3
7.13.2Claudetite
As
 
2
O
 
3
7.13.3Sénarmontite
Sb
 
2
O
 
3
7.13.4Valentinite
Sb
 
2
O
 
3
7.13.5Cervantite
Sb
3+
 
Sb
5+
 
O
 
4
7.13.6Stibiconite
7.13.7Bahianite
Al
 
5
Sb
 
3
O
 
14
(OH)
 
2
7.13.8Cualstibite-1M
(Cu,Al)
 
3
(OH)
 
6
[Sb
5+
 
(OH)
 
6
]
7.13.9Bismutostibiconite
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
7.13.107.13.11Stibivanite
Sb
 
2
VO
 
5
7.13.12Bismite
Bi
 
2
O
 
3

Other Names for Sillénite

Other Languages:
German:Sillénit
Japanese:方蒼鉛鉱
Russian:Силленит
Simplified Chinese:软铋矿
Spanish:Sillénita
Traditional Chinese:軟鉍礦

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
External LinksSearch for toxicity information at the United States National Library of Medicine [Link dead]

References for Sillénite

Reference List:

- +
Frondel, C. (1943): Mineralogy of the oxides and carbonates of Bismuth. American Mineralogist: 28: 521-535.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 601.

Bulletin de la Société française de Minéralogie et de Cristallographie (1982): 105: 31.

Internet Links for Sillénite

Search Engines:
  • Look for Sillénite on Google
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  • External Links:
  • Look for Sillénite on Webmineral
  • Look for Sillénite on Athena Mineralogy
  • Look for Sillénite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Sillénite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Sillénite specimens for sale - minfind.com
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  • Localities for Sillénite

    The 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. ? 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.
    Australia
     
    • New South Wales
      • Gough Co.
        • Elsmore
    Rankin, J., Lawrence, L. J., Sharpe, J. L. and Williams, P. A. (2002): Rare secondary bismuth, tungsten and molybdenum minerals from Elsmore, New England district of New South Wales. Austral. J. Mineral. 8, 55-60.
    China
     
    • Qinghai Province
      • Haixi Autonomous Prefecture
        • Golmud Co. (Ge'ermu Co.)
          • Qimantage Mtns
    Chunyan Dong, Xiaoguo Chi, Fengyue Sun, and Yuan Zhang (2005): Multipurpose Utilization of Mineral Resources 1(1), 29-33
    • Sichuan Province
      • Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)
        • Baiyu Co.
    Xiaoming Qu, Zengqian Hou, and Shugui Zhou (2001): Acta Geoscientia Sinica 23(1), 29-34
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Mariánské Lázně (Marienbad)
          • Slavkovský Les Mtn
    Sejkora, J., Ridkosil, T., Gabasova, A. (1993): Sillénite from Smrkovec near Marianské Lazné. J.Czech Geol.Soc., 38, 244-245
      • Ústí Region
        • Krušné Hory Mts (Erzgebirge)
          • Krupka (Graupen)
            • Knöttel area (Knötel; Knödel; Knödlberg)
    Lapis 23(4), 18-34 (1998)
    Germany
     
    • Saxony
      • Erzgebirge
        • Johanngeorgenstadt District
    Gröbner, J., Grimm, O. & Zienau, H. (2005): Neufunde interessanter Wismut- und Uranmineralien am Schaarschacht, Johanngeorgenstadt, Sachsen. Lapis 30 (6), 44-51; 62.
        • Schmiedeberg
    Witzke, T. (2011): Neues von Sadisdorf, Erzgebirge: Gananit, Cheralith, Grayit und Brockit. Mineralien Welt. 22 (4):47-50
        • Schneeberg District
          • Neustädtel
    Belendorff, K. (2009): Dreyerit und Rhabdophan-(Nd) aus Schneeberg, Erzgebirge. Mineralien-Welt 20 (3), 27-29
    Wittern: "Mineralfundorte in Deutschland", 2001
    Leon Hupperichs collection
          • Wolfgang Maaßen Mine field
    Krause, K., Bernhardt, H.-J., Effenberger, H. (2006): Schlegelite, Bi7O4(MoO4)2(AsO4)3, a new mineral from Schneeberg, Saxony, Germany. European Journal of Mineralogy, 18, 803-811.
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi City
            • Bicchu-cho (Bitchu-cho)
              • Fuka
    Mineralogical Record: 27: 303.
    • Kyushu Region
      • Nansei Archipelago
        • Kagoshima Prefecture
          • Yakushima-cho
            • Yakushima Island
    Hori Mineralogy, Tokyo
    Mexico
     
    [Amer.Min.(1943) 28, 521-535 (525-526); Nickel & Nichols, 1991 - "Mineral Reference Manual"]
    • Sonora
      • Mun. de Navojoa
    No reference listed
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Keivy Mountains
            • Western Keivy Massif
    A.V. Voloshin, Ya.A. Pakhomovskii Minerals and mineralformation evolution in amazonite pegmatites of Kola peninsula, - Leningrad, Nauka, 1986, pp.168.
    Spain
     
    • Andalusia
      • Córdoba
        • Villanueva de Córdoba
    Schnorrer, G. (2000): Die Minerale der ehemaligen Grube Espuela de San Miguel bei Villanueva de Cordoba, Prov. Cordoba in Spanien. Der Aufschluss, 51, 211-222. (in German)
    • Extremadura
      • Badajoz
        • Valle de la Serena
    Calvo, M. (2009). Minerales y Minas de España. Vol. IV, Óxidos e Hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 752 pp.
    Switzerland
     
    • Wallis (Valais)
      • Le Trient Valley
        • Les Marécottes
    - Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
    USA
     
    • Connecticut
      • Middlesex Co.
        • Haddam
          • Haddam Neck
    Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
    • Nevada
      • Lander Co.
        • Battle Mountain District
    USGS Prof Paper 798D
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