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Rosièresite

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About RosièresiteHide

Formula:
(Pb, Cu, Al, P, O, H)
Colour:
Yellow, greenish yellow to pale brown
Lustre:
Vitreous
Hardness:
3 - 3½
Specific Gravity:
2.2
Crystal System:
Amorphous
Name:
For the locality at Rosières, Carmaux, Tarn, France.
An amorphous hydrous phosphate of Al with Pb and Cu. An anthropogenic substance, forming on old mine tunnel walls.


Classification of RosièresiteHide

Approved, 'Grandfathered' (first described prior to 1959), Questionable
8.DF.10

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
F : With only medium-sized cations, (OH,etc.):RO4 > 3:1
Dana 7th ed.:
42.13.7.1
42.13.7.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous

Physical Properties of RosièresiteHide

Vitreous
Colour:
Yellow, greenish yellow to pale brown
Streak:
White
Hardness:
3 - 3½ on Mohs scale
Density:
2.2 g/cm3 (Measured)    

Optical Data of RosièresiteHide

Type:
Isotropic

Chemical Properties of RosièresiteHide

Formula:
(Pb, Cu, Al, P, O, H)
IMA Formula:
[Pb,Cu,Al,PO4,H2O] (?)

Crystallography of RosièresiteHide

Crystal System:
Amorphous
Morphology:
Stalactitic masses with a concentric structure.

Type Occurrence of RosièresiteHide

General Appearance of Type Material:
Opaline stalactitic masses.

Synonyms of RosièresiteHide

Other Language Names for RosièresiteHide

German:Rosieresit
Spanish:Rosieresita

Related Minerals - Nickel-Strunz GroupingHide

8.DF.05HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2OTric.
8.DF.10BolivariteAl2(PO4)(OH)3 · 4-5H2OAmor.
8.DF.10EvansiteAl3(PO4)(OH)6 · 6H2OAmor.
8.DF.10Liskeardite[(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2OOrth.
8.DF.15Rusakovite(Fe3+,Al)5(VO4,PO4)2(OH)9 · 3H2O
8.DF.20LiroconiteCu2Al(AsO4)(OH)4 · 4H2OMon. 2/m
8.DF.25SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2OTric.
8.DF.30ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2OTrig. 3 : R3
8.DF.35ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2OOrth. mm2 : Pmn21
8.DF.40GladiusiteFe2(Fe,Mg)4(PO4)(OH)11(H2O)Mon.

Other InformationHide

Notes:
Readily soluble in HNO3.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for RosièresiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Berthier (1841) Annales des mines: 19: 669.
Lacroix, A. (1910): Minéralogie de la France, IV, 532-533.
Pierrot, R., L. Chauris, C. LaForet (1973) "Inventaire minéralogique de la France : 29- Finistère.", B.R.G.M. Paris.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 924.

Internet Links for RosièresiteHide

Localities for RosièresiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
France
 
  • Brittany
    • Finistère
R.PIERROT, L. CHAURIS, C. LAFORET (1973) : "Inventaire minéralogique de la France : 29- Finistère.", B.R.G.M. Paris. Lacroix, A. (1910): Minéralogie de la France et de ses colonies, Librairie Polytechnique, Ch. Béranger Editeur, Tome IV, 533.
  • Occitanie
    • Tarn
      • Carmaux
Lacroix, A. (1910): Minéralogie de la France, IV, 532-533; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 924.
Mineral and/or Locality  
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