Nitrobarite Mineral Data
General Nitrobarite Information
Chemical Formula:
Ba(NO3)2
Composition:
Molecular Weight = 261.34 gm
Barium 52.55 % Ba 58.67 % BaO
Nitrogen 10.72 % N 41.33 % N2 O5
Oxygen 36.73 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Ba(NO3 )2
Environment:
Noted on a museum specimen, probably from a nitrate deposit.
IMA Status:
Valid Species (Pre-IMA) 1882
Locality:
Unknown location, Chile. Link to MinDat.org Location Data.
Name Origin:
Named for NITRate and BARium in the composition.
Name Pronunciation:
Nitrobarite + Pronunciation
Synonym:
ICSD 35495
PDF 24-53
Nitrobarite Crystallography
Cell Dimensions:
a = 8.1184, Z = 4; V = 535.07 Den(Calc)= 3.24
Crystal System:
Isometric - Tetartoidal H-M Symbol (2 3) Space Group: P 21 3
X Ray Diffraction:
By Intensity(I/Io ): 4.689(1), 2.447(0.75), 2.344(0.45),
Physical Properties of Nitrobarite
Cleavage:
None
Color:
Colorless.
Density:
3.25
Diaphaneity:
Transparent
Hardness:
3 - Calcite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Nitrobarite
Gladstone-Dale:
CI meas = -0.004 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = -0.007 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.1764,KPDmeas = 0.1758,KC = 0.1751 Ncalc = 1.57
Optical Data:
Isotropic, n=1.5714.
Calculated Properties of Nitrobarite
Electron Density:
Bulk Density (Electron Density)=2.93 gm/cc note: Specific Gravity of Nitrobarite =3.25 gm/cc.
Fermion Index:
Fermion Index = 0.2 Boson Index = 0.8
Photoelectric:
PENitrobarite = 233.41 barns/electronU=PENitrobarite x r Electron Density= 685.04 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Nitrobarite is Not Radioactive
Nitrobarite Classification
Dana Class:
18.02.01.01 (18) Simple Nitrates
(18.02) where A (NO3)2 � x(H2O), x can equal zero
(18.02.01) Dana Group
18.02.01.01 Nitrobarite Ba(NO3)2 P 21 3 2 3
Strunz Class:
05.NA.20 05 - CARBONATES (NITRATES)
05.N - NITRATES
05.NA -Without OH or H2O
05.NA.20 Nitrobarite Ba(NO3)2 P 21 3 2 3
Other Nitrobarite 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 Nitrobarite :
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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Nitrobarite Specimen Label here :
Nitrobarite
Ba(NO3)2
Dana No: 18.02.01.01 Strunz No: 05.NA.20
Locality:
Notes:
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