Rosièresite
A valid IMA mineral species - grandfathered - questionable
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About Rosièresite
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.
Type Locality:
An amorphous hydrous phosphate of Al with Pb and Cu. An anthropogenic substance, forming on old mine tunnel walls.
Name Encoding
ASCII-7:
Rosieresite
Unique Identifiers
Mindat ID:
3459
Long-form identifier:
mindat:1:1:3459:9
IMA Classification of Rosièresite
Approved, 'Grandfathered' (first described prior to 1959), Questionable
IMA Formula:
PbxCuyAlz(PO4)m·nH2O
Classification of Rosièresite
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
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
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
13 : Miscellaneous
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Rsr | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Rosièresite
Vitreous
Transparency:
Translucent
Comment:
opaline
Colour:
Yellow, greenish yellow to pale brown
Streak:
White
Hardness:
3 - 3½ on Mohs scale
Density:
2.2 g/cm3 (Measured)
Optical Data of Rosièresite
Type:
Isotropic
RI values:
n = 1.50
Surface Relief:
Low
Chemistry of Rosièresite
Mindat Formula:
(Pb, Cu, Al, P, O, H)
Element Weights:
| Element | % weight |
|---|---|
| Pb | 100.000 % |
Calculated from ideal end-member formula.
Crystallography of Rosièresite
Crystal System:
Amorphous
Morphology:
Stalactitic masses with a concentric structure.
Comment:
Amorphous
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals |
Type Occurrence of Rosièresite
General Appearance of Type Material:
Opaline stalactitic masses.
Geological Setting of Type Material:
Post mining encrustations
Associated Minerals at Type Locality:
Synonyms of Rosièresite
Other Language Names for Rosièresite
Related Minerals - Strunz-mindat Grouping
| 8.DF. | Wiperamingaite | NaCaFe3+Al(PO4)F5(OH) · H2O |
| 8.DF. | Kernowite | Cu2Fe(AsO4)(OH)4 · 4H2O |
| 8.DF.05 | Hotsonite | Al11(SO4)3(PO4)2(OH)21 · 16H2O |
| 8.DF.10 | Liskeardite | [(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2O |
| 8.DF.10 | Evansite | Al3(PO4)(OH)6 · 6H2O |
| 8.DF.10 | Bolivarite | Al2(PO4)(OH)3 · 4-5H2O |
| 8.DF.15 | Rusakovite | (Fe3+,Al)5(VO4,PO4)2(OH)9 · 3H2O |
| 8.DF.20 | Liroconite | Cu2Al(AsO4)(OH)4 · 4H2O |
| 8.DF.25 | Sieleckiite | Cu3Al4(PO4)2(OH)12 · 2H2O |
| 8.DF.30 | Chalcophyllite | Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O |
| 8.DF.35 | Parnauite | Cu9(AsO4)2(SO4)(OH)10 · 7H2O |
| 8.DF.40 | Gladiusite | Fe2(Fe,Mg)4(PO4)(OH)11(H2O) |
| 8.DF.50 | Forêtite | Cu2Al2(AsO4)(OH,O,H2O)6 |
Other Information
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.
Internet Links for Rosièresite
mindat.org URL:
https://www.mindat.org/min-3459.html
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References for Rosièresite
Reference List:
Localities for Rosièresite
Showing 3 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
France | |
| |
| Lacroix (1910) +1 other reference | |
| Lacroix (1910) +1 other reference |
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Huelgoat mines, Huelgoat, Châteaulin, Finistère, Brittany, France