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Sinoite

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


Hide all sections | Show all sections

Classification of SinoiteHide

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

Physical Properties of SinoiteHide

Vitreous
Colour:
Colourless

Optical Data of SinoiteHide

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 SinoiteHide

Formula:
Si2N2O

Crystallography of SinoiteHide

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

Type Occurrence of SinoiteHide

Other Language Names for SinoiteHide

German:Sinoit
Russian:Синоит
Simplified Chinese:氮氧硅石
Spanish:Sinoita

Related Minerals - Nickel-Strunz GroupingHide

1.DB.05NieriteSi3N4Trig.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

2.1MoissaniteSiCHex. 6mm : P63mc
2.3OsborniteTiNIso. m3m (4/m 3 2/m) : Fm3m
2.4TongbaiteCr3C2Orth.
2.5CarlsbergiteCrNIso. m3m (4/m 3 2/m) : Fm3m
2.6SiderazotFe5N2Hex.
2.7GupeiiteFe3SiIso.
2.8XifengiteFe5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
2.9Khamrabaevite(Ti,V,Fe)C
2.10Haxonite(Fe,Ni)23C6Iso. m3m (4/m 3 2/m) : Fm3m
2.11CoheniteFe3COrth.
2.12Roaldite(Fe,Ni)4N
2.13Suessite(Fe,Ni)3Si
2.14Schreibersite(Fe,Ni)3PTet. 4 : I4
2.15Barringerite(Fe,Ni)2PHex. 6 m2 : P62m
2.16Perryite(Ni,Fe)5(Si,P)2Trig.

Other InformationHide

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 SinoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 SinoiteHide

Localities for SinoiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
      • Elephant Moraine
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 (Pilistvere)
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); Kinsey, L. K., McCoy, T. J., Keil, K., Bogard, D. D., Garrison, D. H., Kehm, K., ... & Casanova, I. (1995, March). Petrology, chemistry and chronology of an impact-melt clast in the Hvittis EL6 chondrite. In Lunar and Planetary Science Conference (Vol. 26).
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)
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