Mineralogy Database

IMA2007-047 Mineral Data

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General IMA2007-047 Information

Help on Chemical  Formula: Chemical Formula: Pb2[B5O9]Cl•0.5H2O
Help on Composition: Composition: Molecular Weight = 656.90 gm
   Boron      8.23 %  B    26.49 % B2O3
   Hydrogen   0.15 %  H     1.37 % H2O
   Lead      63.08 %  Pb   65.52 % Pb2O
   Chlorine   5.40 %  Cl    5.40 % Cl
               -   %   Cl   -1.22 % -O=Cl2   
   Oxygen    23.14 %  O
            ______        ______ 
            100.00 %       97.56 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb2B5O9Cl•0.5(H2O)
Help on Environment: Environment: Hilgardite group
Help on IMA Status: IMA Status: Proposed IMA 2007 (Dana # Added)
Help on Locality: Locality: Mina Asuncion, Sierra Gorda, Caracoles District, Antofagasta Province, Chile Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)

IMA2007-047 Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9887:1:0.5699
Help on Cell Dimensions: Cell Dimensions: a = 11.3757, b = 11.5051, c = 6.5568, Z = 2; V = 858.14 Den(Calc)= 2.54
Help on Crystal System: Crystal System: Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: Pnn2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.84(1), 4.04(1), 5.71(0.8),2.019(0.7), 1.877(0.4), 2.55(0.4), 3.29(0.4), 3.16(0.3),

Optical Properties of IMA2007-047

Help on Optical Data: Optical Data: NCalc= 1.2 - from Gladstone-Dale relationship (KC = 0.0787) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2007-047

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.19 gm/cc
note: Specific Gravity of IMA2007-047 =2.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEIMA2007-047 =1,124.43 barns/electron
U=PEIMA2007-047 x rElectron Density=2,460.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2007-047 is Not Radioactive

IMA2007-047 Classification

Help on  Dana Class: Dana Class: (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.05)Dana Type
  (26.05.14)Hilgardite Hilgardite Ca2B5O9Cl•(H2O) P1 1 Kurgantaite! CaSr[B5O9]Cl•(H2O) P1 1 IMA2007-047! Pb2[B5O9]Cl•0.5H2O Pnn2 mm2
Help on  Strunz Class: Strunz Class: 06.ED.05 06 - BORATES
  06.E - Pentaborates
  06.ED -Tecto-pentaborates
06.ED.05 Hilgardite Ca2B5O9Cl•(H2O) P1 1
06.ED.05 Tyretskite Ca2B5O9(OH)•(H2O) P1 1
06.ED.05 Kurgantaite! CaSr[B5O9]Cl•(H2O) P1 1
06.ED.05 IMA2007-047! Pb2[B5O9]Cl•0.5H2O Pnn2 mm2

Other IMA2007-047 Information

Help on See Also: See Also: Links to other databases for IMA2007-047 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Dana No: Strunz No: 06.ED.05