Niveolanite Mineral Data

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General Niveolanite Information

Chemical Formula:

NaBe(CO3)(OH)•2H2O

Composition:

Molecular Weight = 143.07 gm

Sodium 15.10 % Na 20.36 % Na₂O

Calcium 2.80 % Ca 3.92 % CaO

Beryllium 6.17 % Be 17.13 % BeO

Hydrogen 3.11 % H 27.83 % H₂O

Carbon 8.40 % C 30.76 % CO₂

Oxygen 64.41 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na_0.94Ca_0.1Be_0.98(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

Niveolanite Image

Images:

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

Niveolanite Crystallography

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 PyramidalH-M Symbol (4mm) Space Group: P 4/mcc

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

By Intensity(I/I_o): 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),

Crystal Structure:

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Pekov I V , Zubkova N V , Chukanov N V , Agakhanov A A , Belakovskiy D I , Horvath L , Filinchuk Y E , Gobechiya E R , Pushcharovsky D Y , Rabadanov M K , The Canadian Mineralogist , 46 (2008) p.1343-1354, Niveolanite, the first natural beryllium carbonate, a new mineral species from, Mont Saint-Hilaire, Quebec, Canada, Locality: Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada

Physical Properties of Niveolanite

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

Optical Properties of Niveolanite

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.

Calculated Properties of Niveolanite

Electron Density:

Bulk Density (Electron Density)=2.09 gm/cc
note: Specific Gravity of Niveolanite =2.05 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_Niveolanite= 0.83 barns/electron
U=PE_Niveolanite x rElectron Density= 1.73 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Niveolanite is Not Radioactive

Niveolanite Classification

Dana Class:

16b.03.04.01 (16b)Carbonates - Hydroxyl or Halogen

(16b.03)where Am Bn (XO3)p Zq · x(H2O), (m+n):p = 2:1

(16b.03.04)Dana Group

16b.03.04.01 Niveolanite! NaBe(CO3)(OH)•2H2O P 4/mcc 4mm

Strunz Class:

05.DC.35 05 - CARBONATES (NITRATES)

05.D - Carbonates with Additional Anions, with H2O

05.DC -With large cations

05.DC.35 Niveolanite! NaBe(CO3)(OH)•2H2O P 4/mcc 4mm

Other Niveolanite Information

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

Search for Niveolanite using:

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Ask about Niveolanite here :
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Print or Cut-and-Paste your Niveolanite Specimen Label here :

Niveolanite

NaBe(CO3)(OH)•2H2O
Dana No: 16b.03.04.01 Strunz No: 05.DC.35
Locality:

Notes: