Mineralogy Database

Ferrazite Mineral Data

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General Ferrazite Information

Help on Chemical  Formula: Chemical Formula: (Pb,Ba)3(PO4)2•8(H2O) (?)
Help on Composition: Composition: Molecular Weight = 903.26 gm
   Barium      11.40 %  Ba   12.73 % BaO
   Phosphorus   6.86 %  P    15.71 % P2O5
   Hydrogen     1.79 %  H    15.96 % H2O
   Lead        51.61 %  Pb   55.60 % PbO
   Oxygen      28.34 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 3(Pb0.75)3(Ba0.25)(PO4)2•8(H2O)
Help on Environment: Environment: Fava pebble concretions.
Help on IMA Status: IMA Status: Discredited IMA 1996
Help on Locality: Locality: Found in the Brazilian diamond deposits near Diamantina, Brazil Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1919 for Jorge Palmiro de Araujo Ferraz (1883-1926) of the Geological Survey of Brazil.
 

Ferrazite Image

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  Gorceixite   Ferrazite

Comments: Translucent platy crystals of gorceixite on tan siderite with white aragonite coatings. Ferrazite is identical to gorceixite.
Location: Rapid Creek, Yukon, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrazite Crystallography

Help on Crystal System: Crystal System: Triclinic
 

Optical Properties of Ferrazite

Help on Optical Data: Optical Data:
 

Calculated Properties of Ferrazite

Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEFerrazite = 945.43 barns/electron
U=PEFerrazite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferrazite is Not Radioactive
 

Ferrazite Classification

Help on  Dana Class: Dana Class: 40.03.13.01 (40)Hydrated Phosphates, etc
  (40.03)where (A++)3 (XO4)2 � x(H2O)
  (40.03.13)Dana Group
 
40.03.13.01 Ferrazite? (Pb,Ba)3(PO4)2•8(H2O)(?) Tri
Help on  Strunz Class: Strunz Class: 08.BL.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1
 
08.BL.10 Arsenogorceixite! BaAl3AsO3(OH)(AsO4,PO4)(OH,F)6 R 3m 3 2/m
 
08.BL.10 Arsenocrandallite (Ca,Sr)Al3[(As,P)O4]2(OH)5•(H2O) R 3m 3m
 
08.BL.10 Ferrazite? (Pb,Ba)3(PO4)2•8(H2O)(?) Tri
 
08.BL.10 Arsenowaylandite* BiAl3(AsO4)2(OH)6 R 3m 3 2/m
 
08.BL.10 Benauite! HSrFe3(PO4)2(OH)6 R 3m 3 2/m
 
08.BL.10 Arsenogoyazite (Sr,Ca,Ba)Al3(AsO4,PO4)2(OH,F)5•(H2O) R 3m 3 2/m
 
08.BL.10 Dussertite BaFe3(AsO4)2(OH)5 R 3m 3m
 
08.BL.10 Crandallite CaAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m
 
08.BL.10 Goyazite SrAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m
 
08.BL.10 Gorceixite BaAl3(PO4)(PO3OH)(OH)6 R 3m 3 2/m
 
08.BL.10 Kintoreite PbFe3(PO4)2(OH,H2O)6 R 3m 3 2/m
 
08.BL.10 Lusungite? (Sr,Pb)Fe3(PO4)2(OH)5•(H2O) R 3m 3m
 
08.BL.10 Philipsbornite PbAl3(AsO4)2(OH)5•(H2O) R 3m-,R 3m Trig
 
08.BL.10 Plumbogummite PbAl3(PO4)2(OH)5•(H2O) R 3m 3 2/m
 
08.BL.10 Segnitite PbFe3H(AsO4)2(OH)6 R 3m 3 2/m
 
08.BL.10 Springcreekite! BaV3(PO4)2(OH,H2O)6 R 3m 3 2/m
 

Other Ferrazite Information

Help on References: References: NAME( Dana8)
Help on See Also: See Also: Links to other databases for Ferrazite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Ferrazite

(Pb,Ba)3(PO4)2•8(H2O) (?)
Dana No: 40.03.13.01 Strunz No: 08.BL.10
Locality:

 

Notes:

 

 
   
 


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