Sinoite
A valid IMA mineral species
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Formula:
Si2N2O
Colour:
Colourless
Lustre:
Vitreous
Specific Gravity:
2.80 - 2.85
Crystal System:
Orthorhombic
Name:
The name reflects its composition: silicon (Si), nitrogen (N) and oxygen (O).
This page provides mineralogical data about Sinoite.
Unique Identifiers
Mindat ID:
3676
Long-form identifier:
mindat:1:1:3676:0
GUID
(UUID V4):
(UUID V4):
affdddd2-5c46-452c-b4fd-332e6d147a14
IMA Classification of Sinoite
Approved
First published:
1964
Classification of Sinoite
1.DB.10
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
D : Nonmetallic Carbides and Nitrides
B : Nonmetallic nitrides
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
1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
2.2
2 : Carbides, Nitrides, Silicides and Phosphides
2 : Carbides, Nitrides, Silicides and Phosphides
Mineral Symbols
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 Sinoite
Vitreous
Transparency:
Transparent
Colour:
Colourless
Density:
2.80 - 2.85 g/cm3 (Measured) 2.84 g/cm3 (Calculated)
Optical Data of Sinoite
Type:
Biaxial (-)
RI values:
nα = 1.740 nβ = 1.855 nγ = 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.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v moderate
Colour in reflected light:
Light gray
Chemistry of Sinoite
Mindat Formula:
Si2N2O
Elements listed:
Crystallography of Sinoite
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 ų (Calculated from Unit Cell)
Z:
4
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0011899 | Sinoite | Idrestedt I, Brosset C (1964) Structure of Si2N2O Acta Chemica Scandinavica 18 1879-1886 | 1964 | synthetic | 0 | 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 | 0 | 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 | 0 | 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 | 0 | 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 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
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 Environment
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 Sinoite
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:
Reference:
Andersen, C.A., Keil, K., and Mason, B. (1964) Sinoite oxynitride: A meteoritic mineral. Science: 146: 256-257.
Other Language Names for Sinoite
Related Minerals - Strunz-mindat Grouping
1.DB.05 | Nierite | Si3N4 |
Other Information
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 Sinoite
mindat.org URL:
https://www.mindat.org/min-3676.html
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Please feel free to link to this page.
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References for Sinoite
Localities for Sinoite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Antarctica | |
| Meteorological Bulletin |
| Fogel (1997) |
Australia | |
| Buseck et al. (1972) |
Belarus | |
| Levitskiy et al. (2018, July) |
Estonia | |
| Keil et al. (1965) +2 other references |
Finland | |
| Keil et al. (1965) +1 other reference |
Germany | |
| Russell et al. (2003) +1 other reference |
Pakistan (TL) | |
| Andersen et al. (1964) +1 other reference |
Poland | |
| Przylibski et al. (2005) +2 other references |
Sudan | |
| El Goresy et al. (2012) +1 other reference |
Tanzania | |
| Keil et al. (1965) |
USA | |
| Mészárosová (2018) |
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