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Sinoite

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Formula:
Si2N2O
System:
Orthorhombic
Colour:
Colourless
Name:
The name reflects its composition: silicon (Si), nitrogen (N) and oxygen (O).
This page provides mineralogical data about Sinoite.

Classification of Sinoite

Approved
1.DB.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
D : Nonmetallic Carbides and Nitrides
B : Nonmetallic nitrides
Dana 7th ed.:
1.3.8.1
1.3.9.1

1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
2.2

2 : Carbides, Nitrides, Silicides and Phosphides
mindat.org URL:
http://www.mindat.org/min-3676.html
Please feel free to link to this page.

Type Occurrence of Sinoite

Year of Discovery:
1964

Physical Properties of Sinoite

Vitreous
Colour:
Colourless

Crystallography of Sinoite

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.84Å, b = 5.47Å, c = 4.83Å
Ratio:
a:b:c = 1.616 : 1 : 0.883
Unit Cell Volume:
V 233.55 ų (Calculated from Unit Cell)

Optical Data of Sinoite

Type:
Biaxial (-)
RI values:
nα = 1.740 nβ = 1.855 nγ = 1.855
Max Birefringence:
δ = 0.115
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v moderate

Chemical Properties of Sinoite

Formula:
Si2N2O
Essential elements:
All elements listed in formula:

Relationship of Sinoite to other Species

2.1MoissaniteSiC
2.3OsborniteTiN
2.4TongbaiteCr3C2
2.5CarlsbergiteCrN
2.6SiderazotFe5N2
2.7GupeiiteFe3Si
2.8XifengiteFe5Si3
2.9Khamrabaevite(Ti,V,Fe)C
2.10Haxonite(Fe,Ni)23C6
2.11Cohenite(Fe,Ni,Co)3C
2.12Roaldite(Fe,Ni)4N
2.13Suessite(Fe,Ni)3Si
2.14Schreibersite(Fe,Ni)3P
2.15Barringerite(Fe,Ni)2P
2.16Perryite(Ni,Fe)5(Si,P)2

Other Names for Sinoite

Name in Other Languages:
German:Sinoit
Russian:Синоит
Simplified Chinese:氮氧硅石
Spanish:Sinoita

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 Sinoite

Reference List:
Andersen, C.A., Keil, K., and Mason, B. (1964) Sinoite oxynitride: A meteoritic mineral. Science: 146: 256-257.

Idrestedt, I. and Brosset, C. (1964) Structure of Si2N2O. Acta Chemica Scandinavica: 18: 1879-1886.

Brosset, C. and Idrestedt I. (1964) Structure of silicon oxynitride, Si2N2O. Nature: 201: 1211.

American Mineralogist (1965): 50: 521.

Keil, K. and Andersen, C.A. (1965a) Occurrences of sinoite, Si2N2O, in meteorites. Nature: 207: 745.

Keil, K. and Andersen, C.A. (1965b) Electron microprobe study of the Jajh deh Kot enstatite chondrite. Geochimica et Cosmochimica Acta: 29: 621-632.

Srinivasa, S.R., Cratz, L., Jorgensen, J.D., Worlton, T.G., Beyerlein, R.A., and Billy, M. (1977) High-pressure neutron diffraction study of Si2N2O. Journal of Applied Crystallography: 10: 167-171.

Khodakovsky, I.L. and Petaev, M.I. (1981) Thermodinamicheskie svoict va I usloviya obrazovaniya osbornita, sinoita i karlsbergita v meteoritakh. Geokhimiya: 3: 329-340.

Mirgorodsky, A.P., Baraton, M.I., and Quintard, P. (1989) Lattice dynamics of silicon oxynitride, Si2N2O: vibrational spectrum, elastic and piezoelectric properties. Journal of Physics: Condensed Matter: 1: 10053-10066.

Sjberg, J., Helgesson, G., and Idrestedt, I. (1991) Refinement of the structure of Si2N2O. Acta Crystallographica: C 47: 2438-2441.

Li, Y.L., Zheng, F., Liang, Y., Ma, X.F., Cui, S.J., and Ishigaki, T. (2001) Reaction and formation of crystalline silicon oxynitride in Si-O-N systems under solid high pressure. Journal of American Ceramic Society: 84: 875-877.

Kroll, P. and Milko, M. (2003) Theoretical investigation of the solid state reaction of silicon nitride and silicon dioxide forming silicon oxynitride (SiN2O) under pressure. Zeitschrift für anorganische und allgemeine Chemie: 629: 1737-1750.

Sekine, T., He, H., Kobayashi, T., and Shibata, K. (2006) Sinoite (Si2N2O) shocked at pressures of 28 to 64 GPa. American Mineralogist: 91: 463-466.

Internet Links for Sinoite

Localities for Sinoite

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.
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
      • Elephant Morraine
Fogel, R. A. (1997) On the significance of diopside and oldhamite in enstatite chondrites and aubrites. Meteoritics, vol. 32, pages 577-591
Australia
 
  • Western Australia
    • Coolgardie Shire
      • Kambalda
Buseck, P. R. & Holdsworth, E. F. (1972) Mineralogy and Petrology of the Yilmia Enstatite Chondrite, Meteoritics 7 (4): p. 429. (Dec 1972)
Estonia
 
  • Viljandi Co.
    • Vohma
      • Pillistfer
Klaus Keil & Christian A. Andersen (1965) Occurrences of Sinoite, Si2N2O, in Meteorites. Nature 207, 745 (14 August 1965); Keil, K. (1968). Mineralogical and Chemical Relationships among the Enstatite Chondrites. Journal of Geophysical Research 73 (22): 6945-6976. (Nov 1968)
Finland
 
  • Southwestern Finland Region
    • Huittinen
Klaus Keil & Christian A. Andersen (1965) Occurrences of Sinoite, Si2N2O, in Meteorites. Nature 207, 745 (14 August 1965)
Germany
 
  • Bavaria
    • Swabia
      • Allgäu
        • Füssen
Sara S. Russell, Jutta Zipfel, Luigi Folco, Rhian Jones, Monica M. Grady, Timothy McCoy & Jeffrey N. Grossman (2003). The Meteoritical Bulletin, No. 87, 2003 July, MAPS 38 (7, Sup): A189-A248.; Zipfel, J., Bischoff, A., Schultz, L., Spettel, B., Dreibus, G., Schönbeck, T. & Palme, H. (2010) Mineralogy, chemistry, and irradiation record of Neuschwanstein (EL6) chondrite: Meteoritics & Planetary Science 45 (9): 1488-1501. (Sept 2010)
Pakistan (TL)
 
  • Sindh
American Mineralogist, 50, pp. 521 (1965); Science 146 (1964), 256
Poland
 
  • Lubelskie
    • Zamość
Przylibski, T. A., Zagozdzon, P. P., Kryza, R. & Pilski, A. S. (2005) The Zaklodzie enstatite meteorite: Mineralogy, petrology, origin, and classification. Meteoritics & Planetary Science 40 (S9): A185-A2000. (Sept 2005); Przylibski, T. A., Jakubowski, T., Karwowski, L., Kryza, R. & Uszczek, K. (2011) New Data on Graphite from the Zaklodzie Enstatite Achondrite (Abstract id. 5198). Meteoritics & Planetary Science 46, Supplement: A193. (July 2011); Ma, C., Beckett, J. R. & Rossman, G. R. (2012) Discovery of Buseckite, (Fe,Zn,Mn)S, a New Mineral in Zaklodzie, an Ungrouped Enstatite-Rich Achondrite. Lunar and Planetary Science Conference XLIII. LPI Contribution No. 1659, id.1520. (March 2012)
Sudan
 
  • Nar an Nil
Ahmed El Goresy, Y. Lin, L. Feng, M. Boyet, J. Hao, J. Zhang & L. Dubrovinsky (2012). Almahata Sitta EL-3 Chondrites: Sinoite, Graphite, and Oldhamite (CsS) Assemblages C- and N-Isotopic Compositions and REE Patterns. 75th Annual Meeting of the Meteoritical Society, held August 12-17, 2012 in Cairns, Australia. Published in Meteoritics and Planetary Science Supplement, id.5108. ( Sept2012).
Tanzania
 
  • Dodoma Region
    • Kongwa District
Klaus Keil & Christian A. Andersen (1965) Occurrences of Sinoite, Si2N2O, in Meteorites. Nature 207, 745 (14 August 1965)
Mineral and/or Locality  
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