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 % N₂O₅

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

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Nitrobarite Crystallography

Cell Dimensions:

a = 8.1184, Z = 4; V = 535.07 Den(Calc)= 3.24

Crystal System:

Isometric - TetartoidalH-M Symbol (2 3) Space Group: P 2₁3

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.689(1), 2.447(0.75), 2.344(0.45),

Crystal Structure:

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Birnstock R , Zeitschrift fur Kristallographie , 124 (1967) p.310-334, Erneute strukturbestimmung von bariumnitrat mit neutronenbeugung, Locality: synthetic

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:

PE_Nitrobarite= 233.41 barns/electron
U=PE_Nitrobarite x rElectron 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 2₁3 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 2₁3 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: