Morelandite Mineral Data

Morelandite Mineral Data
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General Morelandite Information

Help on Chemical Formula: Chemical Formula: (Ba,Ca,Pb)5(AsO4,PO4)3Cl
Help on Composition: Composition: Molecular Weight = 1,005.93 gm
   Barium      40.96 %  Ba   45.73 % BaO
   Calcium      5.98 %  Ca    8.36 % CaO
   Arsenic     18.62 %  As   28.56 % As2O5
   Phosphorus   1.54 %  P     3.53 % P2O5
   Lead        10.30 %  Pb   11.09 % PbO
   Chlorine     3.52 %  Cl    3.52 % Cl
                 -   %   Cl   -0.80 % -O=Cl2   
   Oxygen      19.09 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba3Ca1.5Pb0.5(AsO4)2.5(PO4)0.5Cl
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Jakobsberg mine, near Hordmark, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Groven C. Moreland (1912-1978), supervisor of sample preparation laboratory, National Museum of Natural History, Smithsonian Institution, Washington, DC., USA.
Help on Name Pronunciation: Name Pronunciation: Morelandite + Pronunciation Say MORELANDITE
 

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Morelandite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.71934
Help on Cell Dimensions: Cell Dimensions: a = 10.169, c = 7.315, Z = 2; V = 655.09 Den(Calc)= 5.10
Help on Crystal System: Crystal System: HexagonalSpace Group: P 63/m,P 63
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.03(1), 2.969(0.7), 2.935(0.6),
Click Here for Large Morelandite Structure Window Crystal Structure:

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Bell A M T , Henderson C M B , Wendlandt R F , Harrison W J , Acta Crystallographica, Section E , 64 (2008) p.i63-i64, Rietveld refinement of Ba5(AsO4)3Cl from high-resolution synchrotron data, Locality: synthetic

 

Physical Properties of Morelandite

Help on Cleavage: Cleavage: {0001} Indistinct
Help on Color: Color: Greenish yellow, Gray, Grayish yellow, Light yellow.
Help on Density: Density: 5.32
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Morelandite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.072 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.118 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1729,KPDmeas= 0.1658,KC= 0.1547
Ncalc = 1.79 - 1.82
Help on Optical Data: Optical Data: Uniaxial (+), w=1.88, e=1.884, bire=0.0040.
 

Calculated Properties of Morelandite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.68 gm/cc
note: Specific Gravity of Morelandite =5.32 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.09
Boson Index = 0.91
Help on Photoelectric: Photoelectric: PEMorelandite = 381.58 barns/electron
U=PEMorelandite x rElectron Density=1,783.94 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Morelandite is Not Radioactive
 

Morelandite Classification
Help on Dana Class: Dana Class: 41.08.05.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.08)where (A)5 (XO4)3 Zq
  (41.08.05)Morelandite Group
 
41.08.05.01 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 63/m,P 63 Hex
 
41.08.05.02 Alforsite Ba5(PO4)3Cl P 63/m 6/m
Help on Strunz Class: 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 Morelandite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Morelandite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineral and Gemstone Kingdom
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info

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Morelandite

(Ba,Ca,Pb)5(AsO4,PO4)3Cl
Dana No: 41.08.05.01 Strunz No: 08.BN.05
Locality:

 

Notes: