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Phosinaite-(Ce) Mineral Data

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General Phosinaite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: Na13Ca2Ce[Si4O12](PO4)4
Help on Composition: Composition: Molecular Weight = 1,203.36 gm
   Sodium      24.84 %  Na   33.48 % Na2O
   Calcium      6.66 %  Ca    9.32 % CaO
   Cerium      11.64 %  Ce   13.64 % Ce2O3
   Silicon      9.34 %  Si   19.97 % SiO2
   Phosphorus  10.30 %  P    23.59 % P2O5
   Oxygen      37.23 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na13Ca2CeSi4O12(PO4)4
Help on Environment: Environment: Filling interstices between large crystals of anorthoclase in alkalic pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1975 ( Dana # Added)
Help on Locality: Locality: On Mt. Koashva, Khibiny massif, and Mt. Karnasurt, Lovozero massif, Kola Peninsula, Russia. At Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For PHOsphorus, SIlicon, and sodium, NAtrium, in the composition.
Help on Name Pronunciation: Name Pronunciation: Phosinaite-(Ce) + Pronunciation Say PHOSINAITE-(CE)
 

Phosinaite-(Ce) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8388:1:0.4942
Help on Cell Dimensions: Cell Dimensions: a = 12.297, b = 14.66, c = 7.245, Z = 2; V = 1,306.09 Den(Calc)= 3.06
Help on Crystal System: Crystal System: Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: P 22121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.74(1), 7.44(0.55), 2.566(0.53),6.92(0.5), 3.51(0.4), 3.94(0.2),
 

Physical Properties of Phosinaite-(Ce)

Help on Cleavage: Cleavage: {100} Perfect, {010} Indistinct, {110} Indistinct
Help on Color: Color: Colorless, Pink, Light brown.
Help on Density: Density: 2.97
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Columnar - Forms columns
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Phosinaite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.021 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.009 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1858,KPDmeas= 0.1915,KC= 0.1875
Ncalc = 1.56 - 1.57
Help on Optical Data: Optical Data: Biaxial (-), a=1.567, b=1.569, g=1.57, bire=0.0030, 2V(Calc)=70, 2V(Meas)=68.
 

Calculated Properties of Phosinaite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.95 gm/cc
note: Specific Gravity of Phosinaite-(Ce) =3.06 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0046283923
Boson Index = 0.9953716077
Help on Photoelectric: Photoelectric: PEPhosinaite-(Ce) = 57.77 barns/electron
U=PEPhosinaite-(Ce) x relectron= 170.70 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 11,993.05 (Gamma Ray American Petroleum Institute Units)
Concentration of Phosinaite-(Ce) per GRapi unit = 83.38 (PPM)

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

Estimated Radioactivity from Phosinaite-(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 / 8.55 cm 260,818 7.05E-06 11,993.05 3.94
100 gm / 3.97 cm 26,082 7.05E-07 1,199.30 0.39
10 gm / 1.84 cm 2,608 7.05E-08 119.93 0.04
1 gm / 8.55 mm 261 7.05E-09 11.99 0.00
0.1 gm / 3.97 mm 26 7.05E-10 1.20 0.00
0.01 gm / 1.84 mm 3 7.05E-11 0.12 0.00
0.001 gm / 0.85 mm 0 7.05E-12 0.01 0.00

Weight of pure Phosinaite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.06 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 ( 0.58 % Th) From Sum REE Elements (11.64 % REE)
 

Phosinaite-(Ce) Classification

Help on  Dana Class: Dana Class: 60.02.02.01 (60)Cyclosilicate Four-Membered Rings
  (60.02)with other anion groups
  (60.02.02)Dana Group
 
60.02.02.01 Phosinaite-(Ce)! Na13Ca2Ce[Si4O12](PO4)4 P 22121 2 2 2
Help on  Strunz Class: Strunz Class: 09.CF.15 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CF -[Si4O12]8- 4-membered single rings, with insular complex anions
 
09.CF.15 Clinophosinaite! Na3CaPSiO7 P 2/c 2/m
 
09.CF.15 Phosinaite-(Ce)! Na13Ca2Ce[Si4O12](PO4)4 P 22121 2 2 2
 

Other Phosinaite-(Ce) Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.81,p1286,1996) OPTIC PROP.(Am.Min.,Vol.81,p1286,1996)
Help on See Also: See Also: Links to other databases for Phosinaite-(Ce) :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - Uranium Minerals
14 - WWW-MINCRYST

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

Phosinaite-(Ce)

Na13Ca2Ce[Si4O12](PO4)4
Dana No: 60.02.02.01 Strunz No: 09.CF.15
Locality:

 

Notes:

 

 
   
 


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