Norsethite Mineral Data + 
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- 14.2.2.1 Norsethite BaMg(CO3)2 R 32 3 2
- 14.2.2.2 Paralstonite BaCa(CO3)2 P 321 3 2
- 14.2.2.3 Olekminskite Sr(Sr,Ca,Ba)(CO3)2 P 321 3 2
- V/B.03-10 Dolomite CaMg(CO3)2 R 3 3
- V/B.03-20 Ankerite Ca(Fe,Mg,Mn)(CO3)2 R 3 3
- V/B.03-30 Kutnohorite Ca(Mn,Mg,Fe)(CO3)2 R 3 3
- V/B.03-40 Minrecordite CaZn(CO3)2 R 3 3
- V/B.03-50 Norsethite BaMg(CO3)2 R 32 3 2
- V/B.03-70 Huntite CaMg3(CO3)4 R 32 3 2
- V/B.03-80 Benstonite (Ba,Sr)6(Ca,Mn)6Mg(CO3)13 R 3 3
General Norsethite Information |
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 Chemical Formula: |
BaMg(CO3)2 | ||
| Composition: |
Molecular Weight = 281.65 gm | ||
| Barium 48.76 % Ba 54.44 % BaO | |||
| Magnesium 8.63 % Mg 14.31 % MgO | |||
| Carbon 8.53 % C 31.25 % CO2 | |||
| Oxygen 34.08 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
BaMg(CO3)2 | ||
| IMA Status: |
Approved IMA 1960 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 24435 | ||
| PDF 12-530 | |||
Search for Norsethite Images | |||
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Images:
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Norsethite Crystallography |
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| Axial Ratios: |
a:c = 1:3.33665 | ||
| Cell Dimensions: |
a = 5.02, c = 16.75, Z = 3; V = 365.56 Den(Calc)= 3.84 | ||
| Crystal System: |
Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: R 32 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.015(1), 2.656(0.35), 3.86(0.35), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Norsethite |
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| Cleavage: |
[???] Good | ||
| Color: |
Colorless, White. | ||
| Density: |
3.837 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Fracture: |
Hackly - Jagged, torn surfaces, (e.g. fractured metals). | ||
| Hardness: |
3.5 - Copper Penny | ||
| Luster: |
Vitreous - Pearly | ||
| Streak: |
white | ||
Optical Properties of Norsethite |
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| Gladstone-Dale: |
CI meas= 0.038 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.038 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1579,KPDmeas= 0.1581,KC= 0.1642 |
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| Optical Data: |
Uniaxial (-), e=1.519, w=1.694, bire=0.1750. | ||
Calculated Properties of Norsethite |
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| Electron Density: |
relectron=3.49 gm/cc |
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| Fermion Index |
Fermion Index = 0.09662 Boson Index = 0.90338 |
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| Photoelectric: |
PENorsethite = 215.34 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Norsethite is Not Radioactive |
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Norsethite Classification |
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| Dana Class: |
14.2.2.1 (14)Anhydrous Carbonates | ||
| (14.2)with Compound Formula A+ B++ (CO3)2 | |||
| (14.2.2)Dana Group | |||
| Strunz Class: |
V/B.03-50 V - Nitrates, Carbonates and Borates | ||
| V/B - Waterfree carbonates [CO3]2- without unfamiliar anions | |||
| V/B.03 - Dolomite group | |||
Other Norsethite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Norsethite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Norsethite using: Visit our Advertisers for Norsethite : Translate Norsethite Mineral Data : Ask about Norsethite here : Print or Cut-and-Paste your Norsethite Specimen Label here :
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