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

Dana 8th ed.:

1.3.9.1

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

Hey's CIM Ref.:

2.2

2 : Carbides, Nitrides, Silicides and Phosphides

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Sno	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SinoiteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

Colourless

Density:

2.80 - 2.85 g/cm³ (Measured) 2.84 g/cm³ (Calculated)

Optical Data of SinoiteHide

Type:

Biaxial (-)

RI values:

n_α = 1.740 n_β = 1.855 n_γ = 1.855

Birefringence:

High; a distinguishing feature in thin section.

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

Colour in reflected light:

Light gray

Chemistry of SinoiteHide

Mindat Formula:

Si₂N₂O

Elements listed:

N, O, Si - search for minerals with similar chemistry

Crystallography of SinoiteHide

Crystal System:

Orthorhombic

Class (H-M):

mm2 - Pyramidal

Space Group:

Cmc2₁

Cell Parameters:

a = 8.843(5) Å, b = 5.473(5) Å, c = 4.835(5) Å

Ratio:

a:b:c = 1.616 : 1 : 0.883

Unit Cell V:

234.00 Å³ (Calculated from Unit Cell)

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0011899	Sinoite	Idrestedt I, Brosset C (1964) Structure of Si2N2O Acta Chemica Scandinavica 18 1879-1886	1964	synthetic	293
0014288	Sinoite	Billy M, Labbe J, Selvaraj A, Roult G (1980) Modifications structurales de l'oxynitrure de silicium sous contraintes thermiques _cod_database_code 1001780 Materials Research Bulletin 15 1207-1213	1980		293
0014289	Sinoite	Billy M, Labbe J, Selvaraj A, Roult G (1980) Modifications structurales de l'oxynitrure de silicium sous contraintes thermiques _cod_database_code 1001781 Materials Research Bulletin 15 1207-1213	1980		293
0014334	Sinoite	Baraton M, Billy M, Labbe J, Quintard P, Roult G (1988) L'Oxynitrure de Silicium : Si2 N2 O II. Evolution Structurale et Endommagement par Irradiation aux Neutrons Rapides _cod_database_code 1001785 Materials Research Bulletin 23 1087-1099	1988		293
0014335	Sinoite	Baraton M, Billy M, Labbe J, Quintard P, Roult G (1988) L'Oxynitrure de Silicium : Si2 N2 O II. Evolution Structurale et Endommagement par Irradiation aux Neutrons Rapides _cod_database_code 1001786 Materials Research Bulletin 23 1087-1099	1988		293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Sinoite'
loop_
_publ_author_name
'Idrestedt I'
'Brosset C'
_journal_name_full 'Acta Chemica Scandinavica'
_journal_volume 18 
_journal_year 1964
_journal_page_first 1879
_journal_page_last 1886
_publ_section_title
;
 Structure of Si2N2O
;
_database_code_amcsd 0011899
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Si2 N2 O'
_cell_length_a 8.843
_cell_length_b 5.473
_cell_length_c 4.835
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 234.003
_exptl_crystal_density_diffrn      2.844
_symmetry_space_group_name_H-M 'C m c 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  '-x,-y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Si   0.17630   0.15090   0.28980   0.00532
N   0.21800   0.12100   0.64200   0.01950
O   0.00000   0.21400   0.23000   0.00443

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
4.43 Å	(10)
3.36 Å	(10)
4.66 Å	(8)
2.61 Å	(5)
2.42 Å	(5)
2.39 Å	(4)
4.13 Å	(3)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 1: Primary nebular phases	4.567-4.561
4 : Primary chondrule phases	4.566–4.561
Stage 2: Planetesimal differentiation and alteration	4.566-4.550
5 : Primary asteroid phases	4.566–4.560

Type Occurrence of SinoiteHide

Type Locality:

ⓘ Jajh deh Kot Lalu meteorite, Khairpur District, Sindh Province, Pakistan

General Appearance of Type Material:

Irregular grains and occasional lath-like crystals up to 0.2 mm long, the individual grains frequently being aggregated into larger patches.

Place of Conservation of Type Material:

American Museum of Natural History, New York, New York, USA, 3954.

Geological Setting of Type Material:

Enstatite chondrite meteorite.

Associated Minerals at Type Locality:

Troilite	Tridymite	Plagioclase	Pigeonite	Oldhamite
Nickel-iron	Graphite	Enstatite	Daubréelite	Alabandite

Reference:

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

Other Language Names for SinoiteHide

German:Sinoit

Russian:Синоит

Simplified Chinese:氮氧硅石

Spanish:Sinoita

Related Minerals - Strunz-mindat Grouping Hide

1.DB.05

Nierite

Si₃N₄

Trig. 3m : P3 1c

Other InformationHide

Notes:

Bright greenish yellow cathodoluminescence.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SinoiteHide

mindat.org URL:

https://www.mindat.org/min-3676.html
Please feel free to link to this page.

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External Links:

Look for Sinoite on Webmineral

Look for Sinoite on Wikipedia

Look for Sinoite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for SinoiteHide

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.

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

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.

(2023) Sinoite. Handbook of Mineralogy. Mineralogical Society of America

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Antarctica
Eastern Antarctica Buckley Island quadrangle Lewis Cliff ⓘ Lewis Cliff 88714 meteorite	Meteorological Bulletin
Victoria Land Elephant Moraine ⓘ Elephant Moraine 90102 meteorite	Fogel (1997)

Australia
Western Australia Coolgardie Shire Kambalda ⓘ Yilmia meteorite	Buseck et al. (1972)

Belarus
Mogilev Region Babruysk District ⓘ Bobruisk Ring Structure	Levitskiy et al. (2018, July)

Estonia
Viljandi County Pillistfer (Pilistvere) ⓘ Pillistfer meteorite	Keil et al. (1965) +2 other references

Finland
Satakunta Huittinen ⓘ Hvittis meteorite	Keil et al. (1965) +1 other reference

Germany
Bavaria Swabia Ostallgäu District Schwangau ⓘ Neuschwanstein I meteorite (Neuschwanstein meteorite)	Russell et al. (2003) +1 other reference

Pakistan (TL)
Sindh Province Khairpur District ⓘ Jajh deh Kot Lalu meteorite (TL)	Andersen et al. (1964) +1 other reference

Poland
Lublin Voivodeship Zamość County ⓘ Zaklodzie meteorite	Przylibski et al. (2005) +2 other references

Sudan
River Nile ⓘ Almahata Sitta meteorite	El Goresy et al. (2012) +1 other reference

Tanzania
Manyara Region Babati District ⓘ Ufana meteorite	Keil et al. (1965)

USA
Nebraska Cass County Eagle ⓘ Eagle meteorite	Mészárosová (2018)

Sinoite

Unique IdentifiersHide

IMA Classification of SinoiteHide

Classification of SinoiteHide