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Bleasdaleite Mineral Data

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General Bleasdaleite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Fe+++)2Cu5(Bi,Cu)(PO4 )4(H2O,OH,Cl)13
Help on Composition: Composition: Molecular Weight = 1,047.70 gm
   Calcium      6.12 %  Ca    8.56 % CaO
   Iron         2.13 %  Fe    3.05 % Fe2O3
   Copper      31.54 %  Cu   35.51 % Cu2O
   Bismuth      1.60 %  Bi    1.78 % Bi2O3
   Phosphorus  11.83 %  P    27.10 % P2O5
   Hydrogen     1.94 %  H    17.37 % H2O
   Chlorine     1.02 %  Cl    1.02 % Cl
                 -   %   Cl   -0.23 % -O=Cl2   
   Oxygen      43.83 %  O
              ______        ______ 
              100.00 %       94.15 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.6Fe3+0.4Cu5Bi0.08Cu0.2(PO4)4(H2O)7.5(OH)5.2Cl0.3
Help on Environment: Environment: In a pegmatite associated with other secondary minerals. The Bi P-dominant analogue of rechelsdorfite
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Granite quarry 10 km SSW of the township of Lake Boga, northern Victoria, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the Reverend John Ignatius Bleasdale (1822-1884), an enthusiastic proponent of minerals from Victoria.
Help on Synonym: Synonym: IMA1998-003a

Bleasdaleite Image

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Comments: SEM image of a bleasdaleite rosette.
Location: Granite quarry, 10 km south-south-west of Lake Boga, Victoria, Australia. Scale: Scale Dots 20 µm.
© Museum Victoria

Bleasdaleite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0266:1:1.0823
Help on Cell Dimensions: Cell Dimensions: a = 14.2, b = 13.832, c = 14.971, Z = 4; beta = 102.08° V = 2,875.41 Den(Calc)= 2.42
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 14.57(1)(001), 2.816(0.4)(043), 6.28(0.4)(112,021),6.95(0.4)(200), 2.452(0.3)(440), 2.506(0.3)(152,243), 3.104(0.3)(402), 3.469(0.3)(312,400),

Physical Properties of Bleasdaleite

Help on Cleavage: Cleavage: {001} Very Good
Help on Color: Color: Honey brown, Dark brown.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Resinous
Help on Streak: Streak: pale brown

Optical Properties of Bleasdaleite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.354 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.305,KC= 0.2252
Ncalc = 1.55
Help on Optical Data: Optical Data: Biaxial (-), a=1.718, b=1.748, g=1.748, bire=0.0300

Calculated Properties of Bleasdaleite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.38 gm/cc
note: Specific Gravity of Bleasdaleite =2.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0007479556
Boson Index = 0.9992520444
Help on Photoelectric: Photoelectric: PEBleasdaleite = 41.75 barns/electron
U=PEBleasdaleite x rElectron Density= 99.27 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bleasdaleite is Not Radioactive

Bleasdaleite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.07)where (AB)5 (XO4)3 Zq � x(H2O)
  (42.07.15)Richelsdorfite Group Richelsdorfite Ca2Cu5Sb(AsO4)4Cl(OH)6•6(H2O) C 2/m 2/m Bleasdaleite! (Ca,Fe)2Cu5(Bi,Cu)(PO4)4(H2O,OH,Cl)13 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.DK.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DK -With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
08.DK.25 Richelsdorfite Ca2Cu5Sb(AsO4)4Cl(OH)6•6(H2O) C 2/m 2/m
08.DK.25 Bleasdaleite! (Ca,Fe)2Cu5(Bi,Cu)(PO4)4(H2O,OH,Cl)13 C 2/m 2/m

Other Bleasdaleite Information

Help on References: References: NAME( MinRec, v 32, p 210) PHYS. PROP.(CanMin, Vol 38) OPTIC PROP.(MinRec, v 32, p 210)
Help on See Also: See Also: Links to other databases for Bleasdaleite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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


(Ca,Fe+++)2Cu5(Bi,Cu)(PO4 )4(H2O,OH,Cl)13
Dana No: Strunz No: 08.DK.25





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