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Rosieresite Mineral Data
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General Rosieresite Information
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 Chemical Formula: |
(Pb,Cu,Al)(PO4)x•n(H2O) |
| Composition: |
Molecular Weight = 349.14 gm |
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Aluminum 0.77 % Al 1.46 % Al2O3 |
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Copper 5.46 % Cu 6.15 % Cu2O |
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Phosphorus 8.87 % P 20.33 % P2O5 |
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Hydrogen 3.46 % H 30.96 % H2O |
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Lead 35.61 % Pb 38.36 % PbO |
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Oxygen 45.82 % O |
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______ ______ |
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100.00 % 97.25 % = TOTAL OXIDE |
| Empirical Formula: |
Pb0.6Cu0.3Al0.1(PO4)•6(H2O) |
| IMA Status: |
Valid Species (Pre-IMA) 1910 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
From an abandoned copper mine at Rosiere, Carmaux, Tarn, France. |
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Rosieresite Crystallography
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| Crystal System: |
Amorphous- No Crystals |
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Physical Properties of Rosieresite
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| Cleavage: |
None |
| Color: |
Yellow, Yellow, Pale brown. |
| Density: |
2.2 |
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
| Habit: |
Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite). |
| Hardness: |
3-3.5 - Calcite-Copper Penny |
| Luster: |
Vitreous - Pearly |
| Streak: |
white |
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Optical Properties of Rosieresite
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| Gladstone-Dale: |
CI meas= -0.078 (Fair) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2273,KC= 0.2109
Ncalc = 1.46 |
| Optical Data: |
Isotropic, n=1.5. |
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Calculated Properties of Rosieresite
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| Electron Density: |
Bulk Density (Electron Density)=2.09 gm/cc
note: Specific Gravity of Rosieresite =2.20 gm/cc.
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| Fermion Index: |
Fermion Index = 0.07
Boson Index = 0.93 |
| Photoelectric: |
PERosieresite = 577.15 barns/electron
U=PERosieresite x rElectron Density=1,208.83 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rosieresite is Not Radioactive |
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Rosieresite Classification
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| Dana Class: |
42.13.07.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.13)Dana Type |
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(42.13.07)Dana Group |
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42.13.07.01 Rosieresite (Pb,Cu,Al)(PO4)x•n(H2O) None |
| Strunz Class: |
08.DF.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DF -With only medium-sized cations, (OH,etc.):RO4 > 3:1 |
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08.DF.10 Bolivarite Al2(PO4)(OH)3•4-5(H2O) None |
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08.DF.10 Evansite Al3(PO4)(OH)6•6(H2O)(?) None |
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08.DF.10 Liskeardite (Al,Fe)3(AsO4)(OH)6•5(H2O) Unk Ortho |
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08.DF.10 Rosieresite (Pb,Cu,Al)(PO4)x•n(H2O) None |
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Other Rosieresite Information
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| References: |
NAME( Ford32) PHYS. PROP.(Ford32) OPTIC PROP.(Ford32) |
| See Also: |
Links to other databases for Rosieresite :
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 Rosieresite Specimen Label here :
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Rosieresite
(Pb,Cu,Al)(PO4)x•n(H2O)
Dana No: 42.13.07.01 Strunz No: 08.DF.10
Locality:
Notes:
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