IMA2008-035 Mineral Data

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General IMA2008-035 Information

Chemical Formula:

CeSiO4

Composition:

Molecular Weight = 232.20 gm

Cerium 60.34 % Ce 70.68 % Ce₂O₃

Silicon 12.10 % Si 25.88 % SiO₂

Oxygen 27.56 % O

______ ______

100.00 % 96.55 % = TOTAL OXIDE

Empirical Formula:

Ce(SiO₄)

Environment:

Zircon group

IMA Status:

Proposed IMA 2008 (Dana # Added)

Locality:

Stetind quarry, Tysfjord, 135 km NE of Bodø, Nordland, Norway Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2008-035 Crystallography

Axial Ratios:

a:c = 1:0.88972

Cell Dimensions:

a = 6.9746, c = 6.2055, Z = 4; V = 301.87 Den(Calc)= 5.11

Crystal System:

Tetragonal - Ditetragonal PyramidalH-M Symbol (4mm) Space Group: I 4₁/amd

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

By Intensity(I/I_o): 3.487(1), 2.626(0.68), 1.798(0.61),4.636(0.58), 2.177(0.24), 1.847(0.21), 2.787(0.21), 2.466(0.19),

Optical Properties of IMA2008-035

Optical Data:

NCalc= 1.8 - from Gladstone-Dale relationship (KC = 0.1556) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2008-035

Electron Density:

Bulk Density (Electron Density)=4.58 gm/cc
note: Specific Gravity of IMA2008-035 =5.11 gm/cc.

Fermion Index:

Fermion Index = 0.0057808901
Boson Index = 0.9942191099

Photoelectric:

PE_IMA2008-035= 311.53 barns/electron
U=PE_IMA2008-035 x r_electron=1,426.00 barns/cc.

Radioactivity:

GRapi = 57,657.96 (Gamma Ray American Petroleum Institute Units)
Concentration of IMA2008-035 per GRapi unit = 17.34 (PPM)

IMA2008-035 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) 527.54 ±131.88 grams of pure IMA2008-035 .

**Estimated Radioactivity from IMA2008-035** - 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 / 7.20 cm	1,351,680	3.65E-05	57,657.96	18.96
100 gm / 3.34 cm	135,168	3.65E-06	5,765.80	1.90
10 gm / 1.55 cm	13,517	3.65E-07	576.58	0.19
1 gm / 7.20 mm	1,352	3.65E-08	57.66	0.02
0.1 gm / 3.34 mm	135	3.65E-09	5.77	0.00
0.01 gm / 1.55 mm	14	3.65E-10	0.58	0.00
0.001 gm / 0.72 mm	1	3.65E-11	0.06	0.00

Weight of pure IMA2008-035 in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.11 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 ( 3.02 % Th) From Sum REE Elements (60.34 % REE)

IMA2008-035 Classification

Dana Class:

51.05.02.06 (51)Nesosilicate Insular SiO4 Groups Only

(51.05)with cations in >[6] coordination

(51.05.02)Zircon group

51.05.02.01 Zircon ZrSiO4 I 4₁/amd 4/m 2/m 2/m

51.05.02.02 Hafnon HfSiO4 I 4₁/amd 4/m 2/m 2/m

51.05.02.03 Thorite ThSiO4 I 4₁/amd 4/m 2/m 2/m

51.05.02.04 Coffinite U(SiO4)1-x(OH)4x I 4₁/amd 4/m 2/m 2/m

51.05.02.05 Thorogummite Th(SiO4)1-x(OH)4x I 4₁/amd 4/m 2/m 2/m

51.05.02.06 IMA2008-035! CeSiO4 I 4₁/amd 4mm

Strunz Class:

09.AD.30 09 - SILICATES (Germanates)

09.A - Nesosilicates

09.AD -Nesosilicates without additional anions;

09.AD.30 Coffinite U(SiO4)1-x(OH)4x I 4₁/amd 4/m 2/m 2/m

09.AD.30 Hafnon HfSiO4 I 4₁/amd 4/m 2/m 2/m

09.AD.30 Thorite ThSiO4 I 4₁/amd 4/m 2/m 2/m

09.AD.30 Thorogummite Th(SiO4)1-x(OH)4x I 4₁/amd 4/m 2/m 2/m

09.AD.30 Zircon ZrSiO4 I 4₁/amd 4/m 2/m 2/m

09.AD.30 IMA2008-035! CeSiO4 I 4₁/amd 4mm

Other IMA2008-035 Information

See Also:

Links to other databases for IMA2008-035 :
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 IMA2008-035 Specimen Label here :

IMA2008-035

CeSiO4
Dana No: 51.05.02.06 Strunz No: 09.AD.30
Locality:

Notes: