Ferriallanite-(Ce) Mineral Data

Ferriallanite-(Ce) Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


B and L Minerals
[Current Minerals] [Order Status] [Policies] [e-Bay Items]
B & L Minerals, Fine Mineral specimens for sale for collectors of all levels


General Ferriallanite-(Ce) Information

Help on Chemical Formula: Chemical Formula: CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)
Help on Composition: Composition: Molecular Weight = 613.85 gm
   Calcium     7.05 %  Ca    9.87 % CaO
   Cerium     21.00 %  Ce   24.60 % Ce2O3
   Titanium    1.09 %  Ti    1.82 % TiO2
   Manganese   0.63 %  Mn    0.81 % MnO
   Aluminum    2.99 %  Al    5.65 % Al2O3
   Iron       19.74 %  Fe   10.89 % FeO / 16.13 % Fe2O3
   Silicon    13.45 %  Si   28.78 % SiO2
   Hydrogen    0.16 %  H     1.47 % H2O
   Oxygen     33.88 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.97Ce0.03Ce0.89Ca0.11Fe3+0.8Ti0.14Al0.06Al0.56Fe3+0.44Fe2+0.93Mn2+0.07Si0.94 Al0.06O4(Si2O7)O(OH)
Help on Environment: Environment: In an alkaline granitic pegmatite.
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Mount Ylyn Khuren, Altia Range, Mongolian People's Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Fe3+ analogue of allanite-(Ce)
Help on Synonym: Synonym: Cerine
  IMA2000-041
 

Ferriallanite-(Ce) Image

Click Here for Larger Ferriallanite-(Ce) Image in a New Browser Window Images:
Click Here for Larger Ferriallanite-(Ce) Image

Ferriallanite-(Ce)   Kainosite-(Y)

Comments: Short prismatic black crystals of ferriallanite-(Ce) in white slightly weathered kainosite-(Y). Orange prisms are zircons of the first generation. Fragment of the holotype specimen.
Location: Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Crystal Size 2 mm.
© Pavel M. Kartashov

Ferriallanite-(Ce) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.5356:1:1.7446
Help on Cell Dimensions: Cell Dimensions: a = 8.962, b = 5.836, c = 10.182, Z = 2; beta = 115.02° V = 482.57 Den(Calc)= 4.22
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.18(1)(112,123,401), 2.14(0.8)(221,403,223,02.72(0.8)(120,013), 2.93(0.65)(113), 2.63(0.6)(311), 3.55(0.55)(211), 2.34(0.55)(
Click Here for Large Ferriallanite-(Ce) Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Kartashov P M , Ferraris G , Ivaldi G , Sokolova E V , McCammon C A , The Canadian Mineralogist , 41 (2003) p.829-830, Ferriallanite-(Ce), CaCeFeAlFe(SiO4)(Si2O7)O(OH), a new member of the, epidote group: Description, X-ray and Mossbauer study: Errata, Note: supercedes data from The Canadian Mineralogist 40 (2002) 1641-1648

 

Physical Properties of Ferriallanite-(Ce)

Help on Cleavage: Cleavage: None
Help on Color: Color: Black.
Help on Density: Density: 4.22
Help on Diaphaneity: Diaphaneity: Opaque to translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: brown
 

Optical Properties of Ferriallanite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.049 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2022,KPDmeas= 0.2022,KC= 0.2127
Ncalc = 1.9
Help on Optical Data: Optical Data: Biaxial (-), a=1.825, b=1.855, g=1.88, bire=0.0550
Help on RL Color: RL Color: Black with red or orange internal reflections.
 

Calculated Properties of Ferriallanite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.00 gm/cc
note: Specific Gravity of Ferriallanite-(Ce) =4.22 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEFerriallanite-(Ce) = 110.12 barns/electron
U=PEFerriallanite-(Ce) x relectron= 440.92 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 21,252.92 (Gamma Ray American Petroleum Institute Units)
Concentration of Ferriallanite-(Ce) per GRapi unit = 47.05 (PPM)

Ferriallanite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Ferriallanite-(Ce) - 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 / 7.68 cm 470,393 1.27E-05 21,252.92 6.99
100 gm / 3.56 cm 47,039 1.27E-06 2,125.29 0.70
10 gm / 1.65 cm 4,704 1.27E-07 212.53 0.07
1 gm / 7.68 mm 470 1.27E-08 21.25 0.01
0.1 gm / 3.56 mm 47 1.27E-09 2.13 0.00
0.01 gm / 1.65 mm 5 1.27E-10 0.21 0.00
0.001 gm / 0.77 mm 0 1.27E-11 0.02 0.00

Weight of pure Ferriallanite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.22 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 ( 1.05 % Th) From Sum REE Elements (21.00 % REE)
 

Ferriallanite-(Ce) Classification
Help on Dana Class: Dana Class: 58.02.01c.07 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
  (58.02)with cations in [6] and higher coordination; single and double groups (n=1,2)
  (58.02.01c)Epidote group (Allanite subgroup)
 
58.02.01c.01 Allanite-(Ce) (Ce,Ca,Y)2(Al,Fe)3(SiO4)3(OH) P 21/m 2/m
 
58.02.01c.02 Allanite-(La)! Ca(REE,Ca)Al2(Fe,Fe)(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
58.02.01c.03 Allanite-(Y) (Y,Ce,Ca)2(Al,Fe)3(SiO4)3(OH) P 21/m 2/m
 
58.02.01c.04 Dissakisite-(Ce) Ca(Ce,REE)(Mg,Fe)(Al,Fe)2Si3O12(OH) P 21/m 2/m
 
58.02.01c.05 Dissakisite-(La)! (Ca,Fe,Th,La)(La,REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F)withLa>Ce P 21/m 2/m
 
58.02.01c.06 Manganiandrosite-(La)! (Mn,Ca)(La,Ce,Ca,Nd)AlMnMn(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
58.02.01c.07 Ferriallanite-(Ce)! CaCe(Fe,Fe,Al)3[SiO4][Si2O7]O(OH) P 21/m 2/m
 
58.02.01c.08 Vastmanlandite-(Ce)! (Ce,La)3CaAl2Mg2[Si2O7][SiO4]3F(OH)2 P 21/m 2/m
 
58.02.01c.09 Manganiandrosite-(Ce)! (Mn,Ca)(Ce,REE)AlMnMn(Si2O7)(SiO4)O(OH) P 21/m 2/m
 
58.02.01c.10 Vanadoandrosite-(Ce)! (Mn,Ca)(REE)VAlMn(Si2O7)(SiO4)O(OH) P 21/m 2/m
Help on Strunz Class: Strunz Class: 09.BG.05b 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BG -Sorosilicates with mixed SiO4 and Si2O7 groups;
 
09.BG.05b Allanite-(La)! Ca(REE,Ca)Al2(Fe,Fe)(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
09.BG.05b Allanite-(Y) (Y,Ce,Ca)2(Al,Fe)3(SiO4)3(OH) P 21/m 2/m
 
09.BG.05b Allanite-(Ce) (Ce,Ca,Y)2(Al,Fe)3(SiO4)3(OH) P 21/m 2/m
 
09.BG.05b Manganiandrosite-(La)! (Mn,Ca)(La,Ce,Ca,Nd)AlMnMn(SiO4)(Si2O7)O(OH) P 21/m 2/m
 
09.BG.05b Dissakisite-(Ce) Ca(Ce,REE)(Mg,Fe)(Al,Fe)2Si3O12(OH) P 21/m 2/m
 
09.BG.05b Manganiandrosite-(Ce)! (Mn,Ca)(Ce,REE)AlMnMn(Si2O7)(SiO4)O(OH) P 21/m 2/m
 
09.BG.05b Vanadoandrosite-(Ce)! (Mn,Ca)(REE)VAlMn(Si2O7)(SiO4)O(OH) P 21/m 2/m
 
09.BG.05b Dissakisite-(La)! (Ca,Fe,Th,La)(La,REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F)withLa>Ce P 21/m 2/m
 
09.BG.05b Ferriallanite-(Ce)! CaCe(Fe,Fe,Al)3[SiO4][Si2O7]O(OH) P 21/m 2/m
 
09.BG.05b Uedaite-(Ce)! MnCeAl2Fe(Si2O7)(SiO4)O(OH) P 21/m 2/m
 

Other Ferriallanite-(Ce) Information
Help on References: References: NAME( CanMin, 41:809) PHYS. PROP.(CanMin, 41:809) OPTIC PROP.(CanMin, 41:809)
Help on See Also: See Also: Links to other databases for Ferriallanite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Ferriallanite-(Ce) using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferriallanite-(Ce) :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Ferriallanite-(Ce) Mineral Data :

Ask about Ferriallanite-(Ce) here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Ferriallanite-(Ce)

CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)
Dana No: 58.02.01c.07 Strunz No: 09.BG.05b
Locality:

 

Notes: