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Dussertite Mineral Data

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General Dussertite Information

Help on Chemical  Formula: Chemical Formula: BaFe+++3(AsO4)2(OH)5
Help on Composition: Composition: Molecular Weight = 667.74 gm
   Barium    20.57 %  Ba   22.96 % BaO
   Iron      25.09 %  Fe   35.87 % Fe2O3
   Arsenic   22.44 %  As   34.42 % As2O5
   Hydrogen   0.75 %  H     6.74 % H2O
   Oxygen    31.15 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BaFe3+3(AsO4)2(OH)5
Help on Environment: Environment: Oxidized zone of some base-metal deposits, typically an alteration product of arsenopyrite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: Djebel Debar, northeast of Hammam Meskhoutine, Qacentina (Constantine), Algeria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Desire Dussert (1872-?), French mining engineer who worked in Algeria.
Help on Name Pronunciation: Name Pronunciation: Dussertite + Pronunciation Say DUSSERTITE
Help on Synonym: Synonym: ICSD 88934
  PDF 35-621
 

Dussertite Image

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  Dussertite

Comments: Light green hexagonal plates of dussertite lining vug associated with quartz and pharmacosiderite.
Location: Clara mine, Rankach Valley, Oberwolfach, Wolfach, Black Forest, Baden-Wurttemberg, Germany. Scale: See Image.
© Rruff Database

Dussertite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.35628
Help on Cell Dimensions: Cell Dimensions: a = 7.4244, c = 17.494, Z = 3; V = 835.11 Den(Calc)= 3.98
Help on Crystal System: Crystal System: Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.132(1), 2.3293(0.4), 3.713(0.3),
 

Physical Properties of Dussertite

Help on Color: Color: Green, Yellow green.
Help on Density: Density: 3.75
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous - Resinous
 

Optical Properties of Dussertite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.037 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.023 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2161,KPDmeas= 0.2293,KC= 0.2211
Ncalc = 1.83 - 1.88
Help on Optical Data: Optical Data: Uniaxial (-), e=1.85, w=1.87, bire=0.0200.
 

Calculated Properties of Dussertite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.68 gm/cc
note: Specific Gravity of Dussertite =3.98 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEDussertite = 112.67 barns/electron
U=PEDussertite x rElectron Density= 415.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Dussertite is Not Radioactive
 

Dussertite Classification

Help on  Dana Class: Dana Class: 41.05.10.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.05)where (A B)2 (XO4) Zq
  (41.05.10)Dussertite Group
 
41.05.10.01 Dussertite BaFe3(AsO4)2(OH)5 R 3m 3m
 
41.05.10.02 Florencite-(Ce) CeAl3(PO4)2(OH)6 R 3m 3 2/m
 
41.05.10.03 Florencite-(La) (La,Ce)Al3(PO4)2(OH)6 R 3m 3 2/m
 
41.05.10.04 Florencite-(Nd) (Nd,Ce)Al3(PO4)2(OH)6 R 3m 3 2/m
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 Dussertite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Dussertite :
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
15 - WWW-MINCRYST

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Dussertite

BaFe+++3(AsO4)2(OH)5
Dana No: 41.05.10.01 Strunz No: 08.BL.10
Locality:

 

Notes:

 

 
   
 


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