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Nierite

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Formula:
Si
 
3
N
 
4
System:TrigonalLustre: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

IMA status:Approved
Strunz 8th edition ID:1/A.10-45
Nickel-Strunz 10th (pending) edition ID: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 edition ID:1.3.9.1
Dana 8th edition ID:1.3.10.1

1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
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Type Occurrence of Nierite

Type Locality:Indarch meteorite (Elizabethpol; Gindorcha; Glindorcha; Indarh; Indarkh; Schuscha; Suscha [NHM cat.]), Shusha, Naxçıvan District (Naxcivan; Nakhichevan), Azerbaijan

Physical Properties of Nierite

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

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
Maximum Birefringence:δ = 0.010

Chart 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:
Si
 
3
N
 
4
Simplified for copy/paste:Si3N4
Essential elements:N, Si
All elements listed in formula:N, Si

Relationship of Nierite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.DB.10Sinoite
Si
 
2
N
 
2
O

Other Names for Nierite

Synonyms:
IMA1994-032
Other Languages:
German:Nierit
Spanish:Nierita

Other Information

Health Warning: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

Search Engines:
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  • External Links:
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  • Look for Nierite on Athena Mineralogy
  • Look for Nierite on Wikipedia
  • Look for Nierite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Buy from David K Joyce minerals
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  • Top quality minerals from Kristalle of California
  • SpiriferMinerals.com - high quality low prices
  • Buy RARE Minerals from Rocks of Africa
  • Find Nierite on www.crystalclassics.co.uk
  • Buy from McDougall Minerals
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  • Nierite specimens for sale - minfind.com
  • Buy fine minerals and gemstones from Pala International
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Localities for Nierite

    The 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. ? 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
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