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Niveolanite Mineral Data
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General Niveolanite Information
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 Chemical Formula: |
NaBe(CO3)(OH)•2H2O |
| Composition: |
Molecular Weight = 143.07 gm |
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Sodium 15.10 % Na 20.36 % Na2O |
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Calcium 2.80 % Ca 3.92 % CaO |
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Beryllium 6.17 % Be 17.13 % BeO |
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Hydrogen 3.11 % H 27.83 % H2O |
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Carbon 8.40 % C 30.76 % CO2 |
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Oxygen 64.41 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.94Ca0.1Be0.98(CO3)(OH)1.1•1.66(H2O) |
| Environment: |
Alteration product that forms partial to almost complete pseudomorphs after lamellar crystals of eudidymite. New structure type. |
| IMA Status: |
Approved IMA 2007 (Dana # Added) |
| Locality: |
Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
Named from Latin niveus, snow-white, and lana, wool, alluding to the visual similarity of its aggregates to snow-white, fluffy flocks of wool. |
| Synonym: |
IMA2007-032 |
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Niveolanite Image |
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Images:
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Niveolanite
Comments: Typical wool-like aggregate of fibrous niveolanite on albite (dark particles are fragments of bituminous films). (CanMinv,v46:1343).
Location: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Québec, Canada.
Scale: See Image.
© I.V. Pekov & A.V. Kasatkin |
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Niveolanite Crystallography
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| Axial Ratios: |
a:c = 1:0.41292 |
| Cell Dimensions: |
a = 13.087, c = 5.404, Z = 8; V = 925.54 Den(Calc)= 2.05 |
| Crystal System: |
Tetragonal - Ditetragonal Pyramidal H-M Symbol (4mm) Space Group: P 4/mcc |
| X Ray Diffraction: |
By Intensity(I/Io): 13.01(1), 3.256(0.95), 9.2(0.62),2.489(0.6), 2.693(0.44), 2.605(0.37), 3.611(0.34), 2.076(0.32), |
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Physical Properties of Niveolanite
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| Color: |
Snow white, Pearl white. |
| Habit: |
Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate. |
| Habit: |
Fibrous - Crystals made up of fibers. |
| Luster: |
Silky |
| Streak: |
white |
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Optical Properties of Niveolanite
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| Gladstone-Dale: |
CI calc= 0.043 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2368,KC= 0.2476
Ncalc = 1.51 |
| Optical Data: |
Uniaxial (+), w=1.469, e=1.502, bire=0.0330. |
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Calculated Properties of Niveolanite
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| Electron Density: |
Bulk Density (Electron Density)=2.09 gm/cc
note: Specific Gravity of Niveolanite =2.05 gm/cc.
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| Fermion Index: |
Fermion Index = 0.06
Boson Index = 0.94 |
| Photoelectric: |
PENiveolanite = 0.83 barns/electron
U=PENiveolanite x rElectron Density= 1.73 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Niveolanite is Not Radioactive |
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Niveolanite Classification
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| Dana Class: |
16b.03.04.01 (16b)Carbonates - Hydroxyl or Halogen |
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(16b.03)where Am Bn (XO3)p Zq � x(H2O), (m+n):p = 2:1 |
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(16b.03.04)Dana Group |
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16b.03.04.01 Niveolanite! NaBe(CO3)(OH)•2H2O P 4/mcc 4mm |
| Strunz Class: |
05.DC.35 05 - CARBONATES (NITRATES) |
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05.D - Carbonates with Additional Anions, with H2O |
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05.DC -With large cations |
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05.DC.35 Niveolanite! NaBe(CO3)(OH)•2H2O P 4/mcc 4mm |
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Other Niveolanite Information
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| References: |
NAME( CanMinv,v46:1343) PHYS. PROP.(CanMinv,v46:1343) OPTIC PROP.(CanMinv,v46:1343) |
| See Also: |
Links to other databases for Niveolanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Niveolanite Specimen Label here :
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Niveolanite
NaBe(CO3)(OH)•2H2O
Dana No: 16b.03.04.01 Strunz No: 05.DC.35
Locality:
Notes:
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