IMA2009-013 Mineral Data

General IMA2009-013 Information

Chemical Formula:

NaCe2(CO3)2[(CO3)1-xF2x]F

Composition:

Molecular Weight = 496.74 gm

Sodium 4.63 % Na 6.24 % Na₂O

Cerium 56.41 % Ce 66.08 % Ce₂O₃

Carbon 6.65 % C 24.36 % CO₂

Oxygen 26.57 % O

Fluorine 5.74 % F 5.74 % F

- % F -2.42 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaCe₂(CO₃)₂(CO₃)_0.75F_0.5F

Environment:

Related to lukechangite-(Ce), cordylite-(Ce), huanghoite-(Ce) and horváthite-(Y).

IMA Status:

Proposed IMA 2009

Locality:

Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2009-013 Crystallography

Axial Ratios:

a:c = 1:1.69662

Cell Dimensions:

a = 5.1109, c = 8.6713, Z = 1; V = 196.16 Den(Calc)= 4.20

Crystal System:

Hexagonal - Ditrigonal DipyramidalH-M Symbol (6 m2) Space Group: P 6 m2

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

By Intensity(I/I_o): 4.439(1), 3.103(0.87), 4.352(0.52),2.212(0.43), 1.975(0.42), 2.561(0.38), 2.424(0.21), 1.95(0.16),

Optical Properties of IMA2009-013

Optical Data:

NCalc= 1.68 - from Gladstone-Dale relationship (KC = 0.1611) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2009-013

Electron Density:

Bulk Density (Electron Density)=3.77 gm/cc
note: Specific Gravity of IMA2009-013 =4.20 gm/cc.

Fermion Index:

Fermion Index = 0.0008589767
Boson Index = 0.9991410233

Photoelectric:

PE_IMA2009-013= 290.28 barns/electron
U=PE_IMA2009-013 x r_electron=1,094.63 barns/cc.

Radioactivity:

GRapi = 54,027.56 (Gamma Ray American Petroleum Institute Units)
Concentration of IMA2009-013 per GRapi unit = 18.51 (PPM)

IMA2009-013 is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 562.98 ±140.75 grams of pure IMA2009-013 .

**Estimated Radioactivity from IMA2009-013** - weak
Specimen Size Weight/Volume (Sphere) *	Calculated Activity Becquerels (Bq)	Calculated Activity Curies (Ci)	Estimated Activity GR(api)	Estimated Exposure (mRem**)/hr If Held in Hand For One Hour
1000 gm / 7.69 cm	1,263,663	3.42E-05	54,027.56	17.76
100 gm / 3.57 cm	126,366	3.42E-06	5,402.76	1.78
10 gm / 1.66 cm	12,637	3.42E-07	540.28	0.18
1 gm / 7.69 mm	1,264	3.42E-08	54.03	0.02
0.1 gm / 3.57 mm	126	3.42E-09	5.40	0.00
0.01 gm / 1.66 mm	13	3.42E-10	0.54	0.00
0.001 gm / 0.77 mm	1	3.42E-11	0.05	0.00

Weight of pure IMA2009-013 in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.20 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 2.82 % Th) From Sum REE Elements (56.41 % REE)

IMA2009-013 Classification

Dana Class:

16a.01.07.03 (16a)Carbonates - Hydroxyl or Halogen

(16a.01)in the Bastnasite/Shynchysite/Parasite Groups

(16a.01.07)Dana Group

16a.01.07.01 Cordylite-(Ce) Ba(Ce,La)2(CO3)3F2 P 6₃/mmc 6/m 2/m 2/m

16a.01.07.02 Lukechangite-(Ce)! Na3Ce2(CO3)4F P 6₃/mmc 6/m 2/m 2/m

16a.01.07.03 IMA2009-013 NaCe2(CO3)2[(CO3)1-xF2x]F P 6 m2 6 m2

Strunz Class:

05.XX.00 05 - CARBONATES (NITRATES)

05.X - Unclassified Strunz CARBONATES (NITRATES)

05.XX -Unknown

05.XX.00 Mackelveyite-(Y) NaBa3CaY(CO3)3(OH)6•3H2O P1 1

05.XX.00 IMA2009-013 NaCe2(CO3)2[(CO3)1-xF2x]F P 6 m2 6 m2

Other IMA2009-013 Information

See Also:

Links to other databases for IMA2009-013 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Print or Cut-and-Paste your IMA2009-013 Specimen Label here :

IMA2009-013

NaCe2(CO3)2[(CO3)1-xF2x]F
Dana No: 16a.01.07.03 Strunz No: 05.XX.00
Locality:

Notes: