Belovite-(Ce) Mineral Data

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General Belovite-(Ce) Information

Chemical Formula:

(Sr,Ce,Na,Ca)5(PO4)3(OH)

Composition:

Molecular Weight = 746.52 gm

Sodium 2.31 % Na 3.11 % Na₂O

Strontium 26.41 % Sr 31.23 % SrO

Calcium 2.68 % Ca 3.76 % CaO

Cerium 28.15 % Ce 32.98 % Ce₂O₃

Phosphorus 12.45 % P 28.52 % P₂O₅

Hydrogen 0.14 % H 1.21 % H₂O

Oxygen 27.86 % O

______ ______

100.00 % 100.80 % = TOTAL OXIDE

Empirical Formula:

5(Sr_0.45)5(Ce_0.3)5(Na_0.15)5(Ca_0.1)(PO₄)₃(OH)

Environment:

Alkalic igneous rocks.

IMA Status:

Valid Species (Pre-IMA) 1955

Locality:

Mt. Karnasurt, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Nikolai Vassilievich Belov (1891-1982), mineralogist and crystallographer, Institute of Crystallography, Moscow, Russia.

Name Pronunciation:

Belovite-(Ce)

Synonym:

ICSD 89897

PDF 31-1350

Belovite-(Ce) Image

Images:

Belovite-(Ce)

Comments: Light yellow vitreous crystals of belovite-Ce up to 2 mm.
Location: Malyi Punkaruaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 2.5x3 cm.
© John Veevaert

Belovite-(Ce) Crystallography

Axial Ratios:

a:c = 1:0.74298

Cell Dimensions:

a = 9.692, c = 7.201, Z = 2; V = 585.80 Den(Calc)= 4.23

Crystal System:

Trigonal - PyramidalH-M Symbol (3) Space Group: P 3

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

By Intensity(I/I_o): 2.87(1), 1.9(0.8), 1.998(0.8),

Crystal Structure:

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drag2 - RMB Resize/Rotate
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Rakovan J F , Hughes J M , The Canadian Mineralogist , 38 (2000) p.839-845, Strontium in the apatite structure: Strontian fluorapatite and belovite-(Ce)

Physical Properties of Belovite-(Ce)

Cleavage:

{???} Indistinct

Color:

Honey yellow.

Density:

4.19

Diaphaneity:

Transparent

Fracture:

Brittle - Uneven - Very brittle fracture producing uneven fragments.

Hardness:

5 - Apatite

Luster:

Vitreous - Greasy

Streak:

white

Optical Properties of Belovite-(Ce)

Gladstone-Dale:

CI meas= 0.048 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.057 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1537,KPDmeas= 0.1551,KC= 0.1629
Ncalc = 1.68 - 1.69

Optical Data:

Uniaxial (-), e=1.64, w=1.66, bire=0.0200.

Calculated Properties of Belovite-(Ce)

Electron Density:

Bulk Density (Electron Density)=3.83 gm/cc
note: Specific Gravity of Belovite-(Ce) =4.19 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Belovite-(Ce)}= 173.97 barns/electron
U=PE_{Belovite-(Ce)} x r_electron= 665.44 barns/cc.

Radioactivity:

GRapi = 27,414.93 (Gamma Ray American Petroleum Institute Units)
Concentration of Belovite-(Ce) per GRapi unit = 36.48 (PPM)

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

**Estimated Radioactivity from Belovite-(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 / 7.70 cm	630,641	1.70E-05	27,414.93	9.01
100 gm / 3.57 cm	63,064	1.70E-06	2,741.49	0.90
10 gm / 1.66 cm	6,306	1.70E-07	274.15	0.09
1 gm / 7.70 mm	631	1.70E-08	27.41	0.01
0.1 gm / 3.57 mm	63	1.70E-09	2.74	0.00
0.01 gm / 1.66 mm	6	1.70E-10	0.27	0.00
0.001 gm / 0.77 mm	1	1.70E-11	0.03	0.00

Weight of pure Belovite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.19 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 ( 1.41 % Th) From Sum REE Elements (28.15 % REE)

Belovite-(Ce) Classification

Dana Class:

41.08.01.06 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.08)where (A)5 (XO4)3 Zq

(41.08.01)Apatite Group

41.08.01.00 Apatite* Ca5(PO4)3(OH,F,Cl) P 6₃/m 6/m

41.08.01.01 Apatite-(CaF) Ca5(PO4)3F P 6₃/m 6/m

41.08.01.02 Apatite-(CaCl) Ca5(PO4)3Cl P 6₃/m 6/m

41.08.01.03 Apatite-(CaOH) Ca5(PO4)3(OH) P 6₃/m 6/m

41.08.01.04 Carbonate-fluorapatite? Ca5(PO4,CO3)3F P 6₃/m 6/m

41.08.01.05 Carbonate-hydroxylapatite? Ca5(PO4,CO3)3(OH) P 6₃/m 6/m

41.08.01.06 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3

41.08.01.06a Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3

41.08.01.06b Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3

41.08.01.07 Apatite-(SrOH) (Sr,Ca)5(PO4)3(F,OH) P 6₃/m 6/m

41.08.01.08 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 6₃ 6

41.08.01.09 Deloneite-(Ce)! NaCa2SrCe(PO4)3F P 3 3

41.08.01.10 IMA2008-009! Sr5(PO4)3F P 6₃/m 6/m 2/m 2/m

41.08.01.11 IMA2008-068! Ca2Pb3(PO4)3F P 6₃/m 6/m

41.08.01.12 Phosphohedyphane! Ca2Pb3(PO4)3Cl P 6₃/m 6/m

Strunz Class:

08.BN.05 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BN -With only large cations, (OH, etc.):RO4 = 0.33:1

08.BN.05 Alforsite Ba5(PO4)3Cl P 6₃/m 6/m

08.BN.05 Apatite* Ca5(PO4)3(OH,F,Cl) P 6₃/m 6/m

08.BN.05 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3

08.BN.05 Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3

08.BN.05 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 6₃/m 6/m

08.BN.05 Deloneite-(Ce)! NaCa2SrCe(PO4)3F P 3 3

08.BN.05 Johnbaumite Ca5(AsO4)3(OH) P 6₃/m,P 6₃ Hex

08.BN.05 Apatite-(CaOH) Ca5(PO4)3(OH) P 6₃/m 6/m

08.BN.05 Apatite-(CaCl) Ca5(PO4)3Cl P 6₃/m 6/m

08.BN.05 Carbonate-fluorapatite? Ca5(PO4,CO3)3F P 6₃/m 6/m

08.BN.05 Carbonate-hydroxylapatite? Ca5(PO4,CO3)3(OH) P 6₃/m 6/m

08.BN.05 Clinomimetite Pb5(AsO4)3Cl P 2₁/b 2/m

08.BN.05 Apatite-(CaF) Ca5(PO4)3F P 6₃/m 6/m

08.BN.05 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 6₃ 6

08.BN.05 Hedyphane Ca2Pb3(AsO4)3Cl P 6₃/m 6/m

08.BN.05 Mimetite Pb5(AsO4)3Cl P 6₃/m 6/m

08.BN.05 Apatite-(SrOH) (Sr,Ca)5(PO4)3(F,OH) P 6₃/m 6/m

08.BN.05 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 6₃/m,P 6₃ Hex

08.BN.05 Pyromorphite Pb5(PO4)3Cl P 6₃/m 6/m

08.BN.05 Vanadinite Pb5(VO4)3Cl P 6₃/m 6/m

08.BN.05 Apatite-(CaOH)-M! (Ca,Na)5[(P,S)O4]3(OH,Cl) P 2₁/b 2/m

08.BN.05 IMA2008-068! Ca2Pb3(PO4)3F P 6₃/m 6/m

08.BN.05 Svabite Ca5(AsO4)3F P 6₃/m 6/m

08.BN.05 Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3

08.BN.05 Turneaureite Ca5[(As,P)O4]3Cl P 6₃/m 6/m

08.BN.05 Phosphohedyphane! Ca2Pb3(PO4)3Cl P 6₃/m 6/m

08.BN.05 IMA2008-009! Sr5(PO4)3F P 6₃/m 6/m 2/m 2/m

08.BN.05 Hydroxylpyromorphite! Pb5(PO4)3OH P 6₃/m 6/m

Other Belovite-(Ce) Information

References:

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.81,p1285,1996) OPTIC PROP.(Am.Min.,Vol.81,p1285,1996)

See Also:

Links to other databases for Belovite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

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Belovite-(Ce)

(Sr,Ce,Na,Ca)5(PO4)3(OH)
Dana No: 41.08.01.06 Strunz No: 08.BN.05
Locality:

Notes: