Turneaureite Mineral Data

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General Turneaureite Information

Chemical Formula:

Ca5[(As,P)O4]3Cl

Composition:

Molecular Weight = 630.63 gm

Calcium 31.78 % Ca 44.46 % CaO

Arsenic 29.70 % As 45.56 % As₂O₅

Phosphorus 2.46 % P 5.63 % P₂O₅

Chlorine 5.62 % Cl 5.62 % Cl

- % Cl -1.27 % -O=Cl₂

Oxygen 30.44 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₅(AsO₄)_2.5(PO₄)_0.5Cl

Environment:

Rare component of manganiferous ores in high-grade marbles.

IMA Status:

Approved IMA 1985

Locality:

Langban, V¨armland, Sweden. Link to MinDat.org Location Data.

Name Origin:

Frederick Stewart Turneaure (1899-1986), Professor Emeritus of Geology, University of Michigan, Ann Arbor, Michigan, USA.

Name Pronunciation:

Turneaureite + Pronunciation

Turneaureite Image

Images:

Click Here for Larger Turneaureite Image

Turneaureite Donpeacorite Parvowinchite

Comments: Colorless, transparent turneaureite masses with light brown tirodite (parvowinchite) and darker brown donpeacorite.
Location: 2500' level of the mine, ZCA Mine No. 4 (St Joe Mine; ZCA No. 4 mine), Balmat, Balmat-Edwards Zinc District, St Lawrence Co., New York, USA. Scale: Picture Size 0.5 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Turneaureite Crystallography

Axial Ratios:

a:c = 1:0.7001

Cell Dimensions:

a = 9.81, c = 6.868, Z = 2; V = 572.40 Den(Calc)= 3.66

Crystal System:

Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 6₃/m

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

By Intensity(I/I_o): 2.907(1), 2.826(0.9), 3.43(0.6),

Crystal Structure:

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Wardojo T A , Hwu S-J , Acta Crystallographica, Section C , 52 (1996) p.2959-2960, Chlorapatite: Ca5(AsO4)3Cl, Locality: synthetic, Note: anisotropic temperature factors taken from ICSD

Physical Properties of Turneaureite

Cleavage:

None

Color:

Colorless, Gray white.

Density:

3.6

Diaphaneity:

Transparent to Translucent

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Hardness:

5 - Apatite

Luminescence:

Fluorescent, Short UV=bright orange.

Luster:

Vitreous - Greasy

Streak:

white

Optical Properties of Turneaureite

Dichroism (e):

colorless.

Dichroism (w):

colorless.

Gladstone-Dale:

CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1923,KPDmeas= 0.1956,KC= 0.1952
Ncalc = 1.7 - 1.71

Optical Data:

Uniaxial (-), e=1.7, w=1.708, bire=0.0080.

Calculated Properties of Turneaureite

Electron Density:

Bulk Density (Electron Density)=3.46 gm/cc
note: Specific Gravity of Turneaureite =3.60 gm/cc.

Fermion Index:

Fermion Index = 0.0005751156
Boson Index = 0.9994248844

Photoelectric:

PE_Turneaureite= 24.54 barns/electron
U=PE_Turneaureite x rElectron Density= 84.90 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Turneaureite is Not Radioactive

Turneaureite Classification

Dana Class:

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

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

(41.08.03)Svabite Group

41.08.03.01 Svabite Ca5(AsO4)3F P 6₃/m 6/m

41.08.03.02 Turneaureite Ca5[(As,P)O4]3Cl P 6₃/m 6/m

41.08.03.03 Johnbaumite Ca5(AsO4)3(OH) P 6₃/m,P 6₃ Hex

41.08.03.04 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) 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 Turneaureite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Turneaureite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Print or Cut-and-Paste your Turneaureite Specimen Label here :

Turneaureite

Ca5[(As,P)O4]3Cl
Dana No: 41.08.03.02 Strunz No: 08.BN.05
Locality:

Notes: