Hingganite-(Ce)  Mineral Data

Hingganite-(Ce) Mineral Data

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General Hingganite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,Ca)2([ ],Fe)Be2Si2O8[(OH),O]2
Help on Composition: Composition: Molecular Weight = 460.63 gm
   Calcium         5.22 %  Ca    7.30 % CaO
   Lanthanum       9.65 %  La   11.32 % La2O3
   Cerium         24.94 %  Ce   29.22 % Ce2O3
   Praeseodymium   1.84 %  Pr    2.15 % Pr2O3
   Samarium        0.33 %  Sm    0.38 % Sm2O3
   Gadolinium      0.07 %  Gd    0.08 % Gd2O3
   Dysprosium      0.04 %  Dy    0.04 % Dy2O3
   Yttrium         0.58 %  Y     0.74 % Y2O3
   Beryllium       3.95 %  Be   10.97 % BeO
   Iron            2.91 %  Fe    3.74 % FeO
   Silicon        12.32 %  Si   26.35 % SiO2
   Hydrogen        0.33 %  H     2.97 % H2O
   Neodymium       4.07 %  Nd    4.75 % Nd2O3
   Oxygen         33.76 %  O
                 ______        ______ 
                 100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.82La0.32Nd0.13Pr0.06Y0.03Sm0.01Gd0.002Dy0.001Ca0.6Fe2+0.24Be2.02Si2.02O8.2(OH)1.52
Help on Environment: Environment: Occurs in pegmatite as overgrowths on hingganite-(Y).
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: Tahara, Hirukawa-mura, Ena-gun, Gifu Prefecture, Japan Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for it's relationship to hingganite-(Y).
Help on Name Pronunciation: Name Pronunciation: Hingganite-(Ce) + Pronunciation Say HINGGANITE-(CE)
Help on Synonym: Synonym: ICSD 84023
  IMA2004-004
  PDF 40-1452
 

Hingganite-(Ce) Image

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Hingganite-(Ce)

Comments: Group of hinnganite-(Ce) dipyramidal crystals, etched from calcite-filled cavity in epidote-quartz metasomatites is covered by yellow spherulitic hydromuscovite. Formed by replacement of rare metal alkalic granitic pegmatite.
Location: Western ore zone dumps, trench #2, Tsakhirin Khuduk Y-Zr-Nb deposit, Khaldzan Buragtag massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Not Given.
© Pavel M. Kartashov

Hingganite-(Ce) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.2974:1:0.6227
Help on Cell Dimensions: Cell Dimensions: a = 9.8973, b = 7.6282, c = 4.7505, Z = 2; beta = 90.416° V = 358.65 Den(Calc)= 4.27
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.85(1), 3.13(0.86), 2.56(0.46),6.06(0.42), 3.74(0.37), 3.44(0.34), 2.21(0.33), 1.976(0.3),
Click Here for Large Hingganite-(Ce) Structure Window Crystal Structure:

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Lulu X M , Zhi-Zhong P , Geochemistry , 5 (1986) p.280-285, Crystal structure of xinganite, Locality: Daxinganling, China

 

Physical Properties of Hingganite-(Ce)

Help on Cleavage: Cleavage: None
Help on Color: Color: Pale tan, Reddish brown.
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 5-6 - Between Apatite and Orthoclase
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Hingganite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.045 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1756,KC= 0.1838
Ncalc = 1.79
Help on Optical Data: Optical Data: Biaxial (?), b=1.75
 

Calculated Properties of Hingganite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.95 gm/cc
note: Specific Gravity of Hingganite-(Ce) =4.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEHingganite-(Ce) = 208.00 barns/electron
U=PEHingganite-(Ce) x relectron= 821.42 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 40,394.04 (Gamma Ray American Petroleum Institute Units)
Concentration of Hingganite-(Ce) per GRapi unit = 24.76 (PPM)

Hingganite-(Ce) 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) 753.00 ±188.25 grams of pure Hingganite-(Ce) .

Estimated Radioactivity from Hingganite-(Ce) - 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 / 7.65 cm 917,217 2.48E-05 40,394.04 13.28
100 gm / 3.55 cm 91,722 2.48E-06 4,039.40 1.33
10 gm / 1.65 cm 9,172 2.48E-07 403.94 0.13
1 gm / 7.65 mm 917 2.48E-08 40.39 0.01
0.1 gm / 3.55 mm 92 2.48E-09 4.04 0.00
0.01 gm / 1.65 mm 9 2.48E-10 0.40 0.00
0.001 gm / 0.76 mm 1 2.48E-11 0.04 0.00

Weight of pure Hingganite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.27 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 ( 2.05 % Th) From Sum REE Elements (40.93 % REE)
 

Hingganite-(Ce) Classification

Help on  Dana Class: Dana Class: 54.02.01a.02 (54)Nesosilicate Borosilicates and Some Beryllosilicates
  (54.02)with B in [4] coordination
  (54.02.01a)Datolite group (Datolite series)
 
54.02.01a.01 Datolite CaBSiO4(OH) P 21/c 2/m
 
54.02.01a.02 Hingganite-(Ce) (Ce,Ca)2([],Fe)Be2Si2O8[(OH),O]2 P 21/a 2/m
 
54.02.01a.03 Hingganite-(Y) Y2([])Be2Si2O8(OH)2 P 21/a 2/m
 
54.02.01a.04 Hingganite-(Yb) (Yb,Y)2([])Be2Si2O8(OH)2 P 21/a 2/m
 
54.02.01a.05 Calcybeborosilite-(Y)! (REE,Ca)2[](B,Be)2(SiO4)2(OH,O)2 P 21/a 2/m
Help on  Strunz Class: Strunz Class: 09.AJ.20 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AJ -Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra,
 
09.AJ.20 Bakerite Ca4B4(BO4)(SiO4)3(OH)3•(H2O) P 21/c 2/m
 
09.AJ.20 Calcybeborosilite-(Y)! (REE,Ca)2[](B,Be)2(SiO4)2(OH,O)2 P 21/a 2/m
 
09.AJ.20 Calciogadolinite? CaREE(Fe)Be2Si2O10 P 21/a 2/m
 
09.AJ.20 Datolite CaBSiO4(OH) P 21/c 2/m
 
09.AJ.20 Hingganite-(Yb) (Yb,Y)2([])Be2Si2O8(OH)2 P 21/a 2/m
 
09.AJ.20 Homilite Ca2(Fe,Mg)B2Si2O10 P 21/a 2/m
 
09.AJ.20 Gadolinite-(Ce) (Ce,La,Nd,Y)2FeBe2Si2O10 P 21/c 2/m
 
09.AJ.20 Gadolinite-(Y) Y2FeBe2Si2O10 P 21/a 2/m
 
09.AJ.20 Hingganite-(Ce) (Ce,Ca)2([],Fe)Be2Si2O8[(OH),O]2 P 21/a 2/m
 
09.AJ.20 Hingganite-(Y) Y2([])Be2Si2O8(OH)2 P 21/a 2/m
 
09.AJ.20 Melanocerite-(Ce) (Ce,Th,Ca)5(Si,B)3O12(OH,F)•n(H2O)(?) Unk (HEX-R) Trig
 
09.AJ.20 Minasgeraisite-(Y) CaY2Be2Si2O10 P 21/a 2/m
 

Other Hingganite-(Ce) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,v75:432 and v93:1688) OPTIC PROP.(Am.Min.,Vol.75,p432,1990)
Help on See Also: See Also: Links to other databases for Hingganite-(Ce) :
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 (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Print or Cut-and-Paste your Hingganite-(Ce) Specimen Label here :

Hingganite-(Ce)

(Ce,Ca)2([ ],Fe)Be2Si2O8[(OH),O]2
Dana No: 54.02.01a.02 Strunz No: 09.AJ.20
Locality:

 

Notes: