General Nitromagnesite Information Chemical Formula: |
Mg(NO3)2•6(H2O) |
Composition: |
Molecular Weight = 256.41 gm |
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Magnesium 9.48 % Mg 15.72 % MgO |
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Hydrogen 4.72 % H 42.16 % H2O |
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Nitrogen 10.93 % N 42.12 % N2O5 |
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Oxygen 74.88 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Mg(NO3)2•6(H2O) |
Environment: |
Cave deposit in humidities up to 78%, typically formed as a leachate of bat guano. |
IMA Status: |
Valid Species (Pre-IMA) 1835 |
Locality: |
Nicojack Cave, Madison Co., Kentucky, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for NITROgen and MAGNESium in the composition. |
Name Pronunciation: |
Nitromagnesite + Pronunciation |
Synonym: |
ICSD 23220 |
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PDF 14-101 |
| | Nitromagnesite Image
Images:
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Nitromagnesite Crystallography Axial Ratios: |
a:b:c =0.4873:1:0.5192 |
Cell Dimensions: |
a = 6.194, b = 12.71, c = 6.6, Z = 2; beta = 93° V = 518.88 Den(Calc)= 1.64 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c |
X Ray Diffraction: |
By Intensity(I/Io): 3.295(1), 2.925(0.75), 4.43(0.55), |
Crystal Structure:
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Mouse
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| Physical Properties of Nitromagnesite Cleavage: |
{110} Perfect |
Color: |
Colorless, White. |
Density: |
1.58 |
Diaphaneity: |
Transparent |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| Optical Properties of Nitromagnesite 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 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 Electron Density: |
Bulk Density (Electron Density)=1.71 gm/cc |
note: Specific Gravity of Nitromagnesite =1.64 gm/cc. Fermion Index: |
Fermion Index = 0.11 |
Boson Index = 0.89 Photoelectric: |
PENitromagnesite = 0.52 barns/electron |
U=PENitromagnesite x rElectron Density= 0.89 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Nitromagnesite is Not Radioactive | Nitromagnesite Classification Dana Class: |
18.02.03.01 (18)Simple Nitrates |
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(18.02)where A (NO3)2 · x(H2O), x can equal zero |
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(18.02.03)Dana Group |
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Strunz Class: |
05.NC.05 05 - CARBONATES (NITRATES) |
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05.N - NITRATES |
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05.NC -With H2O |
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| Other Nitromagnesite Information References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
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 Search for Nitromagnesite using: Visit our Advertisers for Nitromagnesite : A Bijoux Google Search for NitromagnesiteAdam's Minerals Google Search for Nitromagnesite Cape Minerals Google Search for Nitromagnesite Dakota Matrix Minerals Google Search for Nitromagnesite Excalibur Mineral Corp. Google Search for Nitromagnesite Exceptional Minerals Google Search for Nitromagnesite John Betts Fine Minerals Search for Nitromagnesite McDougall Minerals Google Search for Nitromagnesite Mineral News Website Link Rock and Mineral Shows Google Search for Nitromagnesite Weinrich Minerals, Inc. Google Search for Nitromagnesite Ask about Nitromagnesite here : Print or Cut-and-Paste your Nitromagnesite Specimen Label here :
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