Rosieresite Mineral Data

General Rosieresite Information

Chemical Formula:

(Pb,Cu,Al)(PO4)x•n(H2O)

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

Empirical Formula:

Pb_0.6Cu_0.3Al_0.1(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.

Search for Rosieresite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Rosieresite Crystallography

Crystal System:

Amorphous- No Crystals

Physical Properties of Rosieresite

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

Optical Properties of Rosieresite

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.

Calculated Properties of Rosieresite

Electron Density:

Bulk Density (Electron Density)=2.09 gm/cc
note: Specific Gravity of Rosieresite =2.20 gm/cc.

Fermion Index:

Fermion Index = 0.07
Boson Index = 0.93

Photoelectric:

PE_Rosieresite= 577.15 barns/electron
U=PE_Rosieresite x rElectron Density=1,208.83 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rosieresite is Not Radioactive

Rosieresite Classification

Dana Class:

42.13.07.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.13)Dana Type

(42.13.07)Dana Group

42.13.07.01 Rosieresite (Pb,Cu,Al)(PO4)x•n(H2O) None

Strunz Class:

08.DF.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.D - Phosphates, etc

08.DF -With only medium-sized cations, (OH,etc.):RO4 > 3:1

08.DF.10 Bolivarite Al2(PO4)(OH)3•4-5(H2O) None

08.DF.10 Evansite Al3(PO4)(OH)6•6(H2O)(?) None

08.DF.10 Liskeardite (Al,Fe)3(AsO4)(OH)6•5(H2O) Unk Ortho

08.DF.10 Rosieresite (Pb,Cu,Al)(PO4)x•n(H2O) None

Other Rosieresite Information

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

Search for Rosieresite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Rosieresite :

A Bijoux Google Search for Rosieresite
Adam's Minerals Google Search for Rosieresite
Cape Minerals Google Search for Rosieresite
Dakota Matrix Minerals Google Search for Rosieresite
Excalibur Mineral Corp. Google Search for Rosieresite
Exceptional Minerals Google Search for Rosieresite
John Betts Fine Minerals Search for Rosieresite
McDougall Minerals Google Search for Rosieresite
Mineral News Website Link
Rock and Mineral Shows Google Search for Rosieresite
Weinrich Minerals, Inc. Google Search for Rosieresite

Ask about Rosieresite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Rosieresite

(Pb,Cu,Al)(PO4)x•n(H2O)
Dana No: 42.13.07.01 Strunz No: 08.DF.10
Locality:

Notes: