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Silicon

Formula:
Si
Colour:Iridescent (films)Hardness:7
This page provides mineralogical data about Silicon.

Classification of Silicon

IMA status:Approved
Strunz 8th edition ID:1/B.05-10
Nickel-Strunz 10th (pending) edition ID:1.CB.15

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
C : Metalloids and Nonmetals
B : Carbon-silicon family
Dana 7th edition ID:1.3.6.1
Dana 8th edition ID:1.3.7.1

1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
Hey's CIM Ref.:1.28

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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Type Occurrence of Silicon

Type Locality:Nuevo Potosí deposit, Cuba

Physical Properties of Silicon

Diaphaneity (Transparency):Opaque
Colour:Iridescent (films)
Hardness (Mohs):7
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Chemical Properties of Silicon

Formula:
Si
Essential elements:Si
All elements listed in formula:Si

Relationship of Silicon to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.CB.05bChaoite
C
1.CB.05aGraphite
C
1.CB.05cFullerite
C
 
60
1.CB.10aDiamond
C
1.CB.10bLonsdaleite
C
Related Minerals - Hey's Index Grouping:

- +
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.7Tetra-auricupride
AuCu
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.15Eugenite
Ag
 
11
Hg
 
2
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
HgPb
 
2
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.37Domeykite
Cu
 
3
As
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.39Novakite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.58Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.62Kamacite
(Fe,Ni)
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
SnCu
1.71Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pd
 
3
Pb
 
2
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)

Other Names for Silicon

Synonyms:
IMA1982-099Native Silicon
Other Languages:
German:Silizium
Russian:Кремний

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.

References for Silicon

Reference List:American Mineralogist (1991): 76: 668.

American Mineralogist (1992): 77: 213.

Doklady Akademii Nauk SSSR: 309: 1182-1185.

Internet Links for Silicon

Search Engines:
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    • External Links:
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  • Look for Silicon on Athena Mineralogy
  • Look for Silicon on Wikipedia
  • Look for Silicon on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Silicon in the Natural History Museum (London) online catalogue
  • Silicon details from Handbook of Mineralogy (PDF)
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  • Wilensky Fine Minerals
  • Find Silicon on www.crystalclassics.co.uk
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    Localities for Silicon

    Hide Locality List
    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.
    China
     
    • Dabie Mts (Dabie Shan)
    		Xu, S. et al. (2008): Moissanite in serpentinite from the Dabie Mountains in China. Mineral. Mag. 72, 899-908.
    • Tibet Autonomous Region
      • Shannan (Lhokha; Lhoka) Prefecture
        • Qusum (Qusong) Co.
    		Wenji Bai, Robinson, P.T., Qingsong Fang, Jingsui Yang, Binggang Yan, Zhongming Zhang, Xufeng Hu, Meifu Zhou, and Malpas, J. (2000): Canadian Mineralogist 38(3), 585-598.
    Cuba
     
    Am. Min. 76 (1991), 668
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
    		No reference listed
      • Primorskiy Kray
        • Khanka Lake
    		[AmMin 84:992]
      • Sakhalinskaya Oblast'
        • Kuril Islands
          • Iturup Island
    		No reference listed
    • Northern Region
      • Karelia Republic
        • Northern Karelia
    		P.M. Kartashov data
      • Murmanskaja Oblast'
        • Kola Peninsula
    		Am. Min. 76 (1991), 668
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Plast
            • Kochkar' District
    		Kuznetsova O. Yu., Mokhov A.V. (1998) Native silicon in gold from deposits of weathering crusts, - Geologiya Rudnyh Mestorozhdenii, v.40, N4, p.393-398 (in Rus.)
      • Subarctic Urals
    		Kuznetsova O. Yu., Mokhov A.V. (1998) Native silicon in gold from deposits of weathering crusts, - Geologiya Rudnyh Mestorozhdenii, v.40, N4, p.393-398 (in Rus.)
    Turkey
     
    • Aegean Region
      • Izmir Province
    		Am Min 88:1817-1821
    USA
     
    • Michigan
      • Livingston Co.
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    • Oregon
      • Josephine Co.
        • Josephine Creek District
    		www.geo.cornell.edu/geology/faculty/Bird.html
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 25th Oct 2009 20:51:51