IMA2009-015 Mineral Data
General IMA2009-015 Information
Chemical Formula:
NaSrCeF6
Composition:
Molecular Weight = 364.72 gm
Sodium 6.30 % Na 8.50 % Na2 O
Strontium 24.02 % Sr 28.41 % SrO
Cerium 38.42 % Ce 45.00 % Ce2 O3
Fluorine 31.25 % F 31.25 % F
- %
F -13.16 % -O=F2
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
NaSrCeF6
Environment:
Sr-Ce analogue of gagarinite-(Y)
IMA Status:
Proposed IMA 2009
Locality:
Mount Koashva, Khibiny Massif, Kola Peninsula, Russia Link to MinDat.org Location Data.
Name Origin:
Commission on New Minerals, Nomenclature and Classification (CNMNC)
IMA2009-015 Crystallography
Axial Ratios:
a:c = 1:0.61237
Cell Dimensions:
a = 6.207, c = 3.801, Z = 1; V = 126.82 Den(Calc)= 4.78
Crystal System:
Hexagonal - Dipyramidal H-M Symbol (6/m) Space Group: P 63 /m
X Ray Diffraction:
By Intensity(I/Io ): 3.12(1), 1.796(0.9), 1.173(0.7), 2.198(0.7), 5.416(0.4), 1.304(0.3), 1.387(0.3), 1.554(0.3),
Calculated Properties of IMA2009-015
Electron Density:
Bulk Density (Electron Density)=4.22 gm/cc note: Specific Gravity of IMA2009-015 =4.78 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEIMA2009-015 = 229.90 barns/electronU=PEIMA2009-015 x r electron = 970.20 barns/cc.
Radioactivity:
GRapi = 36,179.40 (Gamma Ray American Petroleum Institute Units)
Concentration of IMA2009-015 per GRapi unit = 27.64 (PPM)
IMA2009-015 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)
840.72 ±210.18 grams of pure IMA2009-015 .
Estimated Radioactivity from IMA2009-015 - weak
Specimen Size Weight/Volume (Sphere) *
Calculated Activity Bequerols (Bq)
Calculated Activity Curies (Ci)
Estimated Activity GR(api)
Estimated Exposure (mRem** )/hr If Held in Hand For One Hour
1000 gm / 7.37 cm
860,555
2.33E-05
36,179.40
11.89
100 gm / 3.42 cm
86,056
2.33E-06
3,617.94
1.19
10 gm / 1.59 cm
8,606
2.33E-07
361.79
0.12
1 gm / 7.37 mm
861
2.33E-08
36.18
0.01
0.1 gm / 3.42 mm
86
2.33E-09
3.62
0.00
0.01 gm / 1.59 mm
9
2.33E-10
0.36
0.00
0.001 gm / 0.74 mm
1
2.33E-11
0.04
0.00
Weight of pure IMA2009-015 in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.78 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 ( 1.92 % Th) From Sum REE Elements (38.42 % REE)
IMA2009-015 Classification
Dana Class:
11.05.06.02 (11) Halide Complexes; Alumino-fluorides
(11.05) where (A)m B (X)6
(11.05.06) Dana Group
11.05.06.01 Gagarinite-(Y) NaCaY(F,Cl)6 P 3 3
11.05.06.02 IMA2009-015 NaSrCeF6 P 63 /m 6/m
Strunz Class:
03.XX.00 03 - Halogenides
03.X - Unclassified Strunz Halogenides
03.XX -Unknown
03.XX.00 Hydrophilite ? CaCl2 Pnnm 2/m 2/m 2/m
03.XX.00 Hydromolysite ? FeCl3•6(H2O) C 2/m 2/m
03.XX.00 Lorettoite ? Pb7O6Cl2 pseudo-TET Ortho
03.XX.00 Yttrocerite * CaF2(Y,Ce)F3 Unk Cubic
03.XX.00 IMA2009-014 SrF2 F m3m 4/m 3 2/m
03.XX.00 IMA2009-015 NaSrCeF6 P 63 /m 6/m
Other IMA2009-015 Information
See Also:
Links to other databases for IMA2009-015 :
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 IMA2009-015 Specimen Label here :
IMA2009-015
NaSrCeF6
Dana No: 11.05.06.02 Strunz No: 03.XX.00
Locality:
Notes: