Rosieresite Mineral Data

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General Rosieresite Information

Help on Chemical  Formula: Chemical Formula: (Pb,Cu,Al)(PO4)x·n(H2O)
Help on Composition: Composition: Molecular Weight = 349.14 gm
   Aluminum     0.77 %  Al    1.46 % Al2O3
   Copper       5.46 %  Cu    6.15 % Cu2O
   Phosphorus   8.87 %  P    20.33 % P2O5
   Hydrogen     3.46 %  H    30.96 % H2O
   Lead        35.61 %  Pb   38.36 % PbO
   Oxygen      45.82 %  O
              ______        ______ 
              100.00 %       97.25 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb0.6Cu0.3Al0.1(PO4)·6(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1910
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From an abandoned copper mine at Rosiere, Carmaux, Tarn, France.
 

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Rosieresite Crystallography

Help on Crystal System: Crystal System: Amorphous- No Crystals
 

Physical Properties of Rosieresite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow, Yellow, Pale brown.
Help on Density: Density: 2.2
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Rosieresite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.078 (Fair) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2273,KC= 0.2109
Help on Optical Data: Optical Data: Isotropic, n=1.5.
 

Calculated Properties of Rosieresite

Help on Electron Density: Electron Density:

relectron=2.09 gm/cc
note: rRosieresite =2.20 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.07891
Boson Index = 0.92109
Help on Photoelectric: Photoelectric:

PERosieresite = 577.15 barns/electron
U=PERosieresite x relectron=1,208.83 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Rosieresite is Not Radioactive

 

Rosieresite Classification

Help on  Dana Class: Dana Class: 42.13.7.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.13)Dana Type
  (42.13.7)Dana Group
 
42.13.7.1 Rosieresite (Pb,Cu,Al)(PO4)x·n(H2O) None
Help on  Strunz Class: Strunz Class: VII/D.23-20 VII - Phosphates, Arsenates and Vanadates
  VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe
  VII/D.23 - Sieleckiite - Liskeardite series
 
VII/D.23-10 Sieleckiite Cu3Al4(PO4)2(OH)12·2(H2O) P1 or P1 Tri
 
VII/D.23-20 Rosieresite (Pb,Cu,Al)(PO4)x·n(H2O) None
 
VII/D.23-30 Evansite Al3(PO4)(OH)6·6(H2O)(?) None
 
VII/D.23-40 Liskeardite (Al,Fe)3(AsO4)(OH)6·5(H2O) Unk Ortho
 

Other Rosieresite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Ford32) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Rosieresite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Rosieresite

(Pb,Cu,Al)(PO4)x·n(H2O)
Dana No: 42.13.7.1 Strunz No: VII/D.23-20
Locality:

 

Notes:

 

 
   
 
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