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Nierite

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Formula:
Si3N4
System:
Trigonal
Lustre:
Adamantine
Hardness:
9
Name:
For A. O. Nier (1912-1994), who was responsible for the now accepted measurement of the atmospheric N-isotope composition. Also was instrumental in the development of mass spectrometry (especially stable isotope mass spectroscopy).
A very rare natural nitride.
Synthetic silicon nitride is a very important high-performance ceramic.

Classification of Nierite

Approved
1.DB.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
D : Nonmetallic Carbides and Nitrides
B : Nonmetallic nitrides
Dana 7th ed.:
1.3.9.1
1.3.10.1

1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
mindat.org URL:
http://www.mindat.org/min-7193.html
Please feel free to link to this page.

First Recorded Occurrence of Nierite

Physical Properties of Nierite

Adamantine
Hardness (Mohs):
9
Density:
3.11 g/cm3 (Calculated)

Crystallography of Nierite

Crystal System:
Trigonal
Cell Parameters:
a = 7.74Å, c = 5.61Å
Ratio:
a:c = 1 : 0.725
Unit Cell Volume:
V 291.06 ų (Calculated from Unit Cell)

Optical Data of Nierite

Type:
Uniaxial (-)
RI values:
nω = 2.030 nε = 2.020
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Nierite

Formula:
Si3N4
Essential elements:
All elements listed in formula:

Relationship of Nierite to other Species

Other Names for Nierite

Name in Other Languages:
German:Nierit
Spanish:Nierita

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 Nierite

Reference List:
American Mineralogist (1996): 81: 251.

Mineralogical Record: 27: 118-119.

Lee M R, Russell S S, Arden J W, Pillinger C T (1995) Nierite (Si3N4), a new mineral from ordinary and enstatite chondrites, Meteoritics, 30, 387-398

Internet Links for Nierite

Localities for Nierite

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.
Australia
 
  • Victoria
    • City of Greater Shepparton
      • Murchison
Stroud, R. M., Nittler, L. R. & Alexander, C. M. O'd. (2006) Supernova Nierite (α-Si3N4) from Murchison (pdf.#5360): Meteoritics & Planetary Science 41 (8, Supplement): page A168. (Aug 2006)
Azerbaijan
 
  • Naxçıvan District (Naxcivan; Nakhichevan)
    • Shusha
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Meteoritics, vol. 32, pages 719-732; Lee M R, Russell S S, Arden J W, Pillinger C T (1995) Nierite (Si3N4), a new mineral from ordinary and enstatite chondrites, Meteoritics, 30, 387-398
China
 
  • Guizhou Province
    • Guiyang Prefecture
      • Qingzhen Co.
Lin, Yangting, Amari, Sachiko, and Pravdivtseva, Olga (2002) Presolar grains from the Qingzhen (EH3) meteorite. The Astrophysical Journal: 525(1)(08/2002): 257-263.
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Moravia-Silesia Region
Lee M R, Russell S S, Arden J W, Pillinger C T (1995) Nierite (Si3N4), a new mineral from ordinary and enstatite chondrites, Meteoritics, 30, 387-398
Outer Space
European Journal of Mineralogy; December; v. 19; no. 6; p. 771-782; DOI: 10.1127/0935-1221/2007/0019-1766
USA
 
  • Kansas
    • McPherson Co.
Lee M R, Russell S S, Arden J W, Pillinger C T (1995) Nierite (Si3N4), a new mineral from ordinary and enstatite chondrites, Meteoritics, 30, 387-398
Mineral and/or Locality  
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