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Ludjibaite Mineral Data
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General Ludjibaite Information
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 Chemical Formula: |
Cu5(PO4)2(OH)4 |
| Composition: |
Molecular Weight = 575.70 gm |
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Copper 55.19 % Cu 69.09 % CuO |
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Phosphorus 10.76 % P 24.66 % P2O5 |
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Hydrogen 0.70 % H 6.26 % H2O |
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Oxygen 33.35 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Cu5(PO4)2(OH)4 |
| Environment: |
Rare mineral in the oxidized zone of some copper deposits. |
| IMA Status: |
Approved IMA 1988 |
| Locality: |
Ludjiba mine, about 12 km southeast of Kambove, Katanga Province, Congo (Shaba Province, Zaire). Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Ludjibaite + Pronunciation  |
| Synonym: |
ICSD 100744 |
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PDF 46-1300 |
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Ludjibaite Image |
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Images:
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Ludjibaite Crystallography
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| X Ray Diffraction: |
By Intensity(I/Io): 4.46(1), 2.353(0.5), 2.462(0.5), |
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Physical Properties of Ludjibaite
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| Color: |
Blue green. |
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Optical Properties of Ludjibaite
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| Gladstone-Dale: |
CI calc= -0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1869,KC= 0.1838
Ncalc = 1.8 |
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Calculated Properties of Ludjibaite
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| Electron Density: |
Bulk Density (Electron Density)=4.16 gm/cc
note: Specific Gravity of Ludjibaite =4.35 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0001611273
Boson Index = 0.9998388727 |
| Photoelectric: |
PELudjibaite = 24.87 barns/electron
U=PELudjibaite x rElectron Density= 103.34 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ludjibaite is Not Radioactive |
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Ludjibaite Classification
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| Dana Class: |
41.04.03.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.04)where (A B)5 (XO4)2 Zq |
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(41.04.03)Dana Group |
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41.04.03.01 Pseudomalachite Cu5(PO4)2(OH)4 P 21/a 2/m |
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41.04.03.02 Reichenbachite Cu5(PO4)2(OH)4 P 21/a 2/m |
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41.04.03.03 Ludjibaite Cu5(PO4)2(OH)4 P1 1 |
| Strunz Class: |
08.BD.25 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BD -With only medium-sized cations, (OH, etc.):RO4 = 2:1 |
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08.BD.25 Ludjibaite Cu5(PO4)2(OH)4 P1 1 |
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Other Ludjibaite Information
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| 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 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Print or Cut-and-Paste your Ludjibaite Specimen Label here :
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Ludjibaite
Cu5(PO4)2(OH)4
Dana No: 41.04.03.03 Strunz No: 08.BD.25
Locality:
Notes:
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