Sinoite Mineral Data

Sinoite Mineral Data +

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General Sinoite Information

Chemical Formula:

Si2N2O

Composition:

Molecular Weight = 100.18 gm

Silicon 56.07 % Si

Nitrogen 27.96 % N

Oxygen 15.97 % O

______

100.00 %

Empirical Formula:

Si₂N₂O

Environment:

Metamorphism of existing EL6 chondrites or possibly by impact melting of EL4 chondrites.

IMA Status:

Approved IMA 1964

Locality:

Jajh deh Kot Lalu meteorite, Sind Province, Pakistan Link to MinDat.org Location Data.

Name Origin:

Named in 1964 for the composition (SiNO).

Synonym:

ICSD 66539

PDF 18-1171

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Sinoite Crystallography

Axial Ratios:

a:b:c =0.6189:1:0.5467

Cell Dimensions:

a = 5.473, b = 8.843, c = 4.835, Z = 4; V = 234.00 Den(Calc)= 2.84

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: C mc2₁

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.36(1), 4.43(1), 4.66(0.8),

Physical Properties of Sinoite

Cleavage:

None

Color:

Colorless, Light gray.

Density:

2.8 - 2.85, Average = 2.82

Diaphaniety:

Transparent to Translucent

Streak:

white

Optical Properties of Sinoite

Optical Data:

Biaxial (-), a=1.74, b=1.855, g=1.855, bire=0.1150

Calculated Properties of Sinoite

Electron Density:

r_electron=2.83 gm/cc
note: r_Sinoite=2.84 gm/cc.

Fermion Index

Fermion Index = 0.30484
Boson Index = 0.69516

Photoelectric:

PE_Sinoite= 2.02 barns/electron
U=PE_Sinoite x r_electron= 5.73 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Sinoite is Not Radioactive

Sinoite Classification

Dana Class:

1.3.9.1 (1)Native Elements

(1.3)with semi-metallic and non-metallic elements

(1.3.9)Dana Group

1.3.9.1 Sinoite Si2N2O C mc2₁ mm2

Strunz Class:

I/A.10-50 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.10 - Osbornite-Sinoite series

I/A.10-10 Osbornite TiN F m3m 4/m 3 2/m

I/A.10-20 Carlsbergite CrN F m3m 4/m 3 2/m

I/A.10-30 Roaldite (Fe,Ni)4N P 43m 4 3m

I/A.10-40 Siderazot Fe5N2 P 6₃22 6 2 2

I/A.10-45 Nierite Si3N4 P 3₁c 3m

I/A.10-50 Sinoite Si2N2O C mc2₁ mm2

Other Sinoite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Sinoite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Sinoite Specimen Label here :

Sinoite

Si2N2O
Dana No: 1.3.9.1 Strunz No: I/A.10-50
Locality:

Notes: