Kuannersuite-(Ce) Mineral Data

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General Kuannersuite-(Ce) Information

Chemical Formula:

Ba6Na2REE2(PO4)6FCl

Composition:

Molecular Weight = 1,704.53 gm

Barium 45.20 % Ba 50.46 % BaO

Sodium 2.89 % Na 3.89 % Na₂O

Strontium 0.77 % Sr 0.91 % SrO

Lanthanum 2.04 % La 2.39 % La₂O₃

Cerium 8.22 % Ce 9.63 % Ce₂O₃

Samarium 0.44 % Sm 0.51 % Sm₂O₃

Thorium 0.27 % Th 0.31 % ThO₂

Silicon 0.23 % Si 0.49 % SiO₂

Phosphorus 10.94 % P 25.07 % P₂O₅

Neodymium 3.64 % Nd 4.24 % Nd₂O₃

Chlorine 1.21 % Cl 1.21 % Cl

- % Cl -0.27 % -O=Cl₂

Oxygen 22.26 % O

Fluorine 1.89 % F 1.89 % F

- % F -0.80 % -O=F₂

______ ______

100.00 % 99.94 % = TOTAL OXIDE

Empirical Formula:

Ba_5.61Sr_0.15Na_2.14CeNd_0.43La_0.25Sm_0.05Th_0.02P_6.02Si_0.14O_23.72F_1.7Cl_0.58

Environment:

Accessory mineral found in albite veins intersecting augite syenites of the Ilimaussaq alkaline rocks. Ba-dominant analogue of belovite-(Ce); structure determined.

IMA Status:

Approved IMA 2004 (Dana # Added)

Locality:

Kuannersuit Plateau (formerly Kvanefjeld) in the Ilimaussaq alkaline complex, South Greenland. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Synonym:

IMA2002-013

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Kuannersuite-(Ce) Crystallography

Axial Ratios:

a:c = 1:0.747

Cell Dimensions:

a = 9.9097, c = 7.4026, Z = 1; V = 629.56 Den(Calc)= 4.50

Crystal System:

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

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

By Intensity(I/I_o): 2.969(1)(211,112), 1.965(0.8)(320,213), 1.863(0.6)(303),2.867(0.6)(300), 4.077(0.4)(111), 3.693(0.2)(201),

Crystal Structure:

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Friis H , Balic-Zunic T , Pekov I V , Petersen O V , The Canadian Mineralogist , 42 (2004) p.95-106, Kuannersuite-(Ce), Ba6Na2REE2(PO4)6FCl, a new member of the apatite group, from, the Ilimaussaq Alkaline Complex, South Greenland: Description and crystal chemistry, Locality: Ilimaussaq Alkaline Complex, South Greenland

Physical Properties of Kuannersuite-(Ce)

Cleavage:

{001} Poor, {100} Poor

Color:

Light rose.

Diaphaneity:

Translucent

Fracture:

Brittle - Uneven - Very brittle fracture producing uneven fragments.

Habit:

Hexagonal - Six-sided crystal shape in cross-section or habit.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

4.5-5.5 - Near Apatite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Kuannersuite-(Ce)

Gladstone-Dale:

CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1514,KC= 0.1493
Ncalc = 1.67

Optical Data:

Uniaxial (-), e=1.669, w=1.694, bire=0.0250.

Calculated Properties of Kuannersuite-(Ce)

Electron Density:

Bulk Density (Electron Density)=3.98 gm/cc
note: Specific Gravity of Kuannersuite-(Ce) =4.50 gm/cc.

Fermion Index:

Fermion Index = 0.09
Boson Index = 0.91

Photoelectric:

PE_{Kuannersuite-(Ce)}= 290.34 barns/electron
U=PE_{Kuannersuite-(Ce)} x r_electron=1,155.19 barns/cc.

Radioactivity:

GRapi = 5,158.93 (Gamma Ray American Petroleum Institute Units)
Concentration of Kuannersuite-(Ce) per GRapi unit = 193.84 (PPM)

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

**Estimated Radioactivity from Kuannersuite-(Ce)** - mild
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 / 7.52 cm	122,533	3.31E-06	5,158.93	1.70
100 gm / 3.49 cm	12,253	3.31E-07	515.89	0.17
10 gm / 1.62 cm	1,225	3.31E-08	51.59	0.02
1 gm / 7.52 mm	123	3.31E-09	5.16	0.00
0.1 gm / 3.49 mm	12	3.31E-10	0.52	0.00
0.01 gm / 1.62 mm	1	3.31E-11	0.05	0.00
0.001 gm / 0.75 mm	0	3.31E-12	0.01	0.00

Weight of pure Kuannersuite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.50 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

Kuannersuite-(Ce) Classification

Dana Class:

41.08.01.06b (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 Kuannersuite-(Ce) Information

References:

NAME( CanMin, v 42, p 95) PHYS. PROP.(CanMin, v 42, p 95) OPTIC PROP.(CanMin, v 42, p 95)

See Also:

Links to other databases for Kuannersuite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Kuannersuite-(Ce)

Ba6Na2REE2(PO4)6FCl
Dana No: 41.08.01.06b Strunz No: 08.BN.05
Locality:

Notes: