Nitromagnesite Mineral Data

Nitromagnesite Mineral Data
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General Nitromagnesite Information

Help on Chemical Formula: Chemical Formula: Mg(NO3)2•6(H2O)
Help on Composition: Composition: Molecular Weight = 256.41 gm
   Magnesium   9.48 %  Mg   15.72 % MgO
   Hydrogen    4.72 %  H    42.16 % H2O
   Nitrogen   10.93 %  N    42.12 % N2O5
   Oxygen     74.88 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg(NO3)2•6(H2O)
Help on Environment: Environment: Cave deposit in humidities up to 78%, typically formed as a leachate of bat guano.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1835
Help on Locality: Locality: Nicojack Cave, Madison Co., Kentucky, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for NITROgen and MAGNESium in the composition.
Help on Name Pronunciation: Name Pronunciation: Nitromagnesite + Pronunciation Say NITROMAGNESITE
Help on Synonym: Synonym: ICSD 23220
  PDF 14-101
 

Nitromagnesite Image

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Nitromagnesite

Comments: Tan crystalline nitromagnesite grain, deliquescent.
Location: Baume, Jura, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nitromagnesite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4873:1:0.5192
Help on Cell Dimensions: Cell Dimensions: a = 6.194, b = 12.71, c = 6.6, Z = 2; beta = 93° V = 518.88 Den(Calc)= 1.64
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.295(1), 2.925(0.75), 4.43(0.55),
Click Here for Large Nitromagnesite Structure Window Crystal Structure:

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Braibanti A , Tiripicchio A , Lanfredi A M M , Bigoli F , Acta Crystallographica, Section B , 35 (1979) p.354-361, The crystal structures of nitrates of divalent hexaquocations. II., Hexaquomagnesium nitrate, Locality: synthetic, Note: z(Wat2) corrected

 

Physical Properties of Nitromagnesite

Help on Cleavage: Cleavage: {110} Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 1.58
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Nitromagnesite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.031 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2748,KPDmeas= 0.2852,KC= 0.2767
Ncalc = 1.44 - 1.45
Help on Optical Data: Optical Data: Biaxial (-), a=1.34, b=1.506, g=1.506, bire=0.1660, 2V(Calc)=0, 2V(Meas)=5.
 

Calculated Properties of Nitromagnesite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.71 gm/cc
note: Specific Gravity of Nitromagnesite =1.64 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PENitromagnesite = 0.52 barns/electron
U=PENitromagnesite x rElectron Density= 0.89 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nitromagnesite is Not Radioactive
 

Nitromagnesite Classification
Help on Dana Class: Dana Class: 18.02.03.01 (18)Simple Nitrates
  (18.02)where A (NO3)2 · x(H2O), x can equal zero
  (18.02.03)Dana Group
 
18.02.03.01 Nitromagnesite Mg(NO3)2•6(H2O) P 21/c 2/m
Help on Strunz Class: Strunz Class: 05.NC.05 05 - CARBONATES (NITRATES)
  05.N - NITRATES
  05.NC -With H2O
 
05.NC.05 Nitromagnesite Mg(NO3)2•6(H2O) P 21/c 2/m
 

Other Nitromagnesite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Nitromagnesite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Nitromagnesite

Mg(NO3)2•6(H2O)
Dana No: 18.02.03.01 Strunz No: 05.NC.05
Locality:

 

Notes: