Rosieresite Mineral Data

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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:	Pb0.6Cu0.3Al0.1(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.
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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
Optical Data:	Isotropic, n=1.5.
Calculated Properties of Rosieresite
Electron Density:	relectron=2.09 gm/cc note: rRosieresite =2.20 gm/cc.
Fermion Index	Fermion Index = 0.07891 Boson Index = 0.92109
Photoelectric:	PERosieresite = 577.15 barns/electron U=PERosieresite x relectron=1,208.83 barns/cc.
Radioactivity:	GRapi = 0 (Gamma Ray American Petroleum Institute Units) Rosieresite is Not Radioactive
Rosieresite Classification
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
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
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 -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 Search for Rosieresite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Rosieresite : AA Mineral Specimens B & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals T G Fine Minerals Wrights Rock Shop Translate Rosieresite Mineral Data : 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: 42.13.7.1 Strunz No: VII/D.23-20 Locality:   Notes: