Huttonite  Mineral Data

Huttonite Mineral Data

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General Huttonite Information

Help on Chemical  Formula: Chemical Formula: ThSiO4
Help on Composition: Composition: Molecular Weight = 324.12 gm
   Thorium  71.59 %  Th   81.46 % ThO2
   Silicon   8.67 %  Si   18.54 % SiO2
   Oxygen   19.74 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Th(SiO4)
Help on Environment: Environment: Detrital deposit.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1950
Help on Locality: Locality: In beach sands (New Zealand). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Colin Osborne Hutton (1910-1971), New Zealand-American mineralogist of Stanford University, Palo Alto, California, USA.
Help on Name Pronunciation: Name Pronunciation: Huttonite + Pronunciation Say HUTTONITE
Help on Synonym: Synonym: ICSD 1614
  PDF 34-188
 

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Huttonite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.977:1:0.9396
Help on Cell Dimensions: Cell Dimensions: a = 6.8, b = 6.96, c = 6.54, Z = 4; beta = 104.99° V = 298.99 Den(Calc)= 7.20
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.09(1), 2.89(0.9), 4.23(0.75),
Click Here for Large Huttonite Structure Window Crystal Structure:

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Taylor M , Ewing R C , Acta Crystallographica, Section B , 34 (1978) p.1074-1079, The crystal structure of the ThSiO4 polymorphs: huttonite and thorite, Locality: synthetic

 

Physical Properties of Huttonite

Help on Cleavage: Cleavage: {001} Distinct, {100} Indistinct
Help on Color: Color: Colorless, Light yellow.
Help on Density: Density: 7.1
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Fluorescent, Short UV=dull white with pink tinge, Long UV=dull white with pink tinge.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Huttonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.269 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.279 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1259,KPDmeas= 0.1277,KC= 0.1746
Ncalc = 2.24 - 2.26
Help on Optical Data: Optical Data: Biaxial (+), a=1.898, b=1.9, g=1.922, bire=0.0240
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Huttonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.96 gm/cc
note: Specific Gravity of Huttonite =7.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0041421041
Boson Index = 0.9958578959
Help on Photoelectric: Photoelectric: PEHuttonite =1,794.84 barns/electron
U=PEHuttonite x relectron=10694.12 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 1,281,657.69 (Gamma Ray American Petroleum Institute Units)
Concentration of Huttonite per GRapi unit = 780.24 (PPB)

Huttonite 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) 23.73 ± 5.93 grams of pure Huttonite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 2373.2 ±593.31 grams of pure Huttonite .

Estimated Radioactivity from Huttonite - very strong
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 / 6.46 cm 32,072,283 8.67E-04 1,281,657.69 421.37
100 gm / 3.00 cm 3,207,228 8.67E-05 128,165.77 42.14
10 gm / 1.39 cm 320,723 8.67E-06 12,816.58 4.21
1 gm / 6.46 mm 32,072 8.67E-07 1,281.66 0.42
0.1 gm / 3.00 mm 3,207 8.67E-08 128.17 0.04
0.01 gm / 1.39 mm 321 8.67E-09 12.82 0.00
0.001 gm / 0.65 mm 32 8.67E-10 1.28 0.00

Weight of pure Huttonite in grams (gm) and Calculated Diameter of a Sphere with a Density of 7.10 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
 

Huttonite Classification

Help on  Dana Class: Dana Class: 51.05.03.01 (51)Nesosilicate Insular SiO4 Groups Only
  (51.05)with cations in >[6] coordination
  (51.05.03)Huttonite group
 
51.05.03.01 Huttonite ThSiO4 P 21/n 2/m
 
51.05.03.02 Tombarthite-(Y) Y4(Si,H4)4O12-x(OH)42x P 21/n 2/m
Help on  Strunz Class: Strunz Class: 09.AD.35 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AD -Nesosilicates without additional anions;
 
09.AD.35 Huttonite ThSiO4 P 21/n 2/m
 
09.AD.35 Tombarthite-(Y) Y4(Si,H4)4O12-x(OH)42x P 21/n 2/m
 

Other Huttonite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Huttonite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Uranium Minerals
16 - WWW-MINCRYST

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Print or Cut-and-Paste your Huttonite Specimen Label here :

Huttonite

ThSiO4
Dana No: 51.05.03.01 Strunz No: 09.AD.35
Locality:

 

Notes: