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Rosièresite

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Formula:
(Pb, Cu, Al, P, O, H)
System:AmorphousColour:Yellow, greenish yellow ...
Lustre:VitreousHardness:3 - 3½
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 Rosièresite

IMA status:Questionable/Doubtful
Strunz 8th edition ID:7/D.23-20
Nickel-Strunz 10th (pending) edition ID: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 edition ID:42.13.7.1
Dana 8th edition ID:42.13.7.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
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Type Occurrence of Rosièresite

Type Locality:Rosières, Carmaux, Tarn, Midi-Pyrénées, France
General Appearance of Type Material:Opaline stalactitic masses.

Physical Properties of Rosièresite

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

Crystallography of Rosièresite

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

Optical Data of Rosièresite

Type:Isotropic

Chemical Properties of Rosièresite

Formula:
(Pb, Cu, Al, P, O, H)
Essential elements:Pb
All elements listed in formula:Al, Cu, H, O, P, Pb

Relationship of Rosièresite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DF.05Hotsonite
Al
 
11
(SO
 
4
)
 
3
(PO
 
4
)
 
2
(OH)
 
21
 · 16H
 
2
O
8.DF.10Bolivarite
Al
 
2
(PO
 
4
)(OH)
 
3
 · 4-5H
 
2
O
8.DF.10Evansite
Al
 
3
(PO
 
4
)(OH)
 
6
 · 6H
 
2
O
8.DF.10Liskeardite
(Al,Fe
3+
 
)
 
3
(AsO
 
4
)(OH)
 
6
 · 5H
 
2
O
8.DF.15Rusakovite
(Fe
3+
 
,Al)
 
5
(VO
 
4
,PO
 
4
)
 
2
(OH)
 
9
 · 3H
 
2
O
8.DF.20Liroconite
Cu
 
2
Al(AsO
 
4
)(OH)
 
4
 · 4H
 
2
O
8.DF.25Sieleckiite
Cu
 
3
Al
 
4
(PO
 
4
)
 
2
(OH)
 
12
 · 2H
 
2
O
8.DF.30Chalcophyllite
Cu
 
18
Al
 
2
(SO
 
4
)
 
3
(AsO
 
4
)
 
3
(OH)
 
27
 · 33H
 
2
O
8.DF.35Parnauite
Cu
 
9
(AsO
 
4
)
 
2
(SO
 
4
)(OH)
 
10
 · 7H
 
2
O
8.DF.40Gladiusite
Fe
 
2
(Fe,Mg)
 
4
(PO
 
4
)(OH)
 
11
(H
 
2
O)

Other Names for Rosièresite

Synonyms:
Rosiérésite
Other Languages:
German:Rosieresit
Spanish:Rosieresita

Other Information

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

References for Rosièresite

Reference List:

- +
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 Rosièresite

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    • Localities for Rosièresite

    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    France
     
    • Brittany
      • Finistère
    		R.PIERROT, L. CHAURIS, C. LAFORET (1973) : "Inventaire minéralogique de la France : 29- Finistère.", B.R.G.M. Paris.
    • Midi-Pyrénées
      • 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.
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