Mineralogy Database

Nitratine Mineral Data

Search Webmineral :

General Nitratine Information

Help on Chemical  Formula: Chemical Formula: NaNO3
Help on Composition: Composition: Molecular Weight = 84.99 gm
   Sodium    27.05 %  Na   36.46 % Na2O
   Nitrogen  16.48 %  N    63.54 % N2O5
   Oxygen    56.47 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na(NO3)
Help on Environment: Environment: Residual water-soluble surface deposits in extremely arid deserts. Nitrates occur in clay rich caliche deposits replenished by occasional desert thunderstorms which fix N2 from the air.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Confidence Hills, southern Death Valley. Atacam desert, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its composition of containing nitrates.
Help on Name Pronunciation: Name Pronunciation: Nitratine + Pronunciation Say NITRATINE
Help on Synonym: Synonym: ICSD 15332
  PDF 36-1474
  Soda Niter

Nitratine Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Iquiqueite   Nitratine

Comments: Yellow iquiqueiite in clear, massive nitration.
Location: Salar de Miraje, Antofagasta, Chile. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Euhedral crystalline aggregate of nitratine.
Location: Taltal, Antofagasta, Chile. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Nitratine Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:3.31932
Help on Cell Dimensions: Cell Dimensions: a = 5.07, c = 16.829, Z = 6; V = 374.63 Den(Calc)= 2.26
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.03(1), 2.311(0.25), 1.898(0.16),

Physical Properties of Nitratine

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Colorless, White, Gray, Yellowish, Brownish.
Help on Density: Density: 2.24 - 2.29, Average = 2.26
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white

Optical Properties of Nitratine

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.093 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.091 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2028,KPDmeas= 0.2023,KC= 0.223
Ncalc = 1.5 - 1.51
Help on Optical Data: Optical Data: Uniaxial (-), e=1.58-1.587, w=1.33-1.336, bire=0.2500-0.2510.

Calculated Properties of Nitratine

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.23 gm/cc
note: Specific Gravity of Nitratine =2.26 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.16
Boson Index = 0.84
Help on Photoelectric: Photoelectric: PENitratine = 0.67 barns/electron
U=PENitratine x rElectron Density= 1.49 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nitratine is Not Radioactive

Nitratine Classification

Help on  Dana Class: Dana Class: (18)Simple Nitrates
  (18.01)where A xNO3 � x(H2O), x can equal zero
  (18.01.01)Dana Group Nitratine NaNO3 R 3c 3 2/m
Help on  Strunz Class: Strunz Class: 05.NA.05 05 - CARBONATES (NITRATES)
  05.NA -Without OH or H2O
05.NA.05 Nitratine NaNO3 R 3c 3 2/m

Other Nitratine Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Nitratine :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

Search for Nitratine using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Nitratine :

Ask about Nitratine here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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


Dana No: Strunz No: 05.NA.05





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.