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|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
|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:||188.8.131.52|
|Dana 8th edition ID:||184.108.40.206|
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
|Density (calculated):||3.11 g/cm3|
Crystallography of Nierite
|Cell Parameters:||a = 7.74Å, c = 5.61Å|
|Ratio:||a:c = 1 : 0.725|
|Unit Cell Volume:||V 291.06 Å³ (Calculated from Unit Cell)|
Optical Data of Nierite
|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
|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):|
Other Names for Nierite
|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
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
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.
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Locality Updated: Soudaine la Vinadière, Treignac, Corrèze, Limousin, FranceFrom Knut Edvard Larsen, 20th Sep 2014 13:41:16