Ludjibaite Mineral Data

Ludjibaite Mineral Data
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General Ludjibaite Information

Help on Chemical Formula: Chemical Formula: Cu5(PO4)2(OH)4
Help on Composition: Composition: Molecular Weight = 575.70 gm
   Copper      55.19 %  Cu   69.09 % CuO
   Phosphorus  10.76 %  P    24.66 % P2O5
   Hydrogen     0.70 %  H     6.26 % H2O
   Oxygen      33.35 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu5(PO4)2(OH)4
Help on Environment: Environment: Rare mineral in the oxidized zone of some copper deposits.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Ludjiba mine, about 12 km southeast of Kambove, Katanga Province, Congo (Shaba Province, Zaire). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Ludjibaite + Pronunciation Say LUDJIBAITE
Help on Synonym: Synonym: ICSD 100744
  PDF 46-1300
 

Ludjibaite Image

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Ludjibaite

Comments: Coating of intense blue-green microcrystals and crystalline ludjibaite.
Location: Shituru, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ludjibaite Crystallography
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.46(1), 2.353(0.5), 2.462(0.5),
Click Here for Large Ludjibaite Structure Window Crystal Structure:

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Shoemaker G L , Anderson J B , Kostiner E , American Mineralogist , 66 (1981) p.169-175, The crystal structure of a third polymorph of Cu5(PO4)2(OH)4, Note: related to pseudomalachite and ludjibaite

 

Physical Properties of Ludjibaite

Help on Color: Color: Blue green.
 

Optical Properties of Ludjibaite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1869,KC= 0.1838
Ncalc = 1.8
 

Calculated Properties of Ludjibaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.16 gm/cc
note: Specific Gravity of Ludjibaite =4.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001611273
Boson Index = 0.9998388727
Help on Photoelectric: Photoelectric: PELudjibaite = 24.87 barns/electron
U=PELudjibaite x rElectron Density= 103.34 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ludjibaite is Not Radioactive
 

Ludjibaite Classification
Help on Dana Class: Dana Class: 41.04.03.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.04)where (A B)5 (XO4)2 Zq
  (41.04.03)Dana Group
 
41.04.03.01 Pseudomalachite Cu5(PO4)2(OH)4 P 21/a 2/m
 
41.04.03.02 Reichenbachite Cu5(PO4)2(OH)4 P 21/a 2/m
 
41.04.03.03 Ludjibaite Cu5(PO4)2(OH)4 P1 1
Help on Strunz Class: Strunz Class: 08.BD.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BD -With only medium-sized cations, (OH, etc.):RO4 = 2:1
 
08.BD.25 Ludjibaite Cu5(PO4)2(OH)4 P1 1
 

Other Ludjibaite Information
Help on See Also: See Also: Links to other databases for Ludjibaite :
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 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Ludjibaite

Cu5(PO4)2(OH)4
Dana No: 41.04.03.03 Strunz No: 08.BD.25
Locality:

 

Notes: