Drugmanite Mineral Data

Drugmanite Mineral Data
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General Drugmanite Information

Help on Chemical Formula: Chemical Formula: Pb2(Fe+++,Al)H(PO4)2(OH)2
Help on Composition: Composition: Molecular Weight = 688.00 gm
   Aluminum     0.98 %  Al    1.85 % Al2O3
   Iron         6.09 %  Fe    8.70 % Fe2O3
   Phosphorus   9.00 %  P    20.63 % P2O5
   Hydrogen     0.44 %  H     3.93 % H2O
   Lead        60.23 %  Pb   64.88 % PbO
   Oxygen      23.26 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb2Fe3+0.75Al0.25H(PO4)2(OH)2
Help on Environment: Environment: Formed at low temperatures in vugs in mineralized limestones, an oxidation product of disseminated sulfides.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Richelle, near Vis´e, Belgium. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Julien Drugman (1875-1950), Belgian mineralogist.
Help on Name Pronunciation: Name Pronunciation: Drugmanite + Pronunciation Say DRUGMANITE
Help on Synonym: Synonym: ICSD 202794
  PDF 33-732
 

Drugmanite Image

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Drugmanite

Comments: SEM view of a typical drugrnanite crystal.
Location: Found in silicified karst deposits, Richelle, 15 km north of Liege, Belgium. Scale: Picture Size 9 µm.
© Mineralogical Magazine

Drugmanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.3916:1:0.5822
Help on Cell Dimensions: Cell Dimensions: a = 11.1, b = 7.976, c = 4.644, Z = 2; beta = 90.6° V = 411.13 Den(Calc)= 5.56
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.752(1), 4.63(0.9), 3.35(0.8),
Click Here for Large Drugmanite Structure Window Crystal Structure:

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King G S D , Sengier-Roberts L , Bulletin de Mineralogie , 111 (1988) p.431-437, Drugmanite, Pb2(Fe0.78Al0.22)H(PO4)2(OH)2:, Its crystal structure and place in the datolite group, Locality: Richelle, Belgium, Note: anisoU s taken from ICSD

 

Physical Properties of Drugmanite

Help on Color: Color: Colorless, Light yellow.
Help on Density: Density: 5.55
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Drugmanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.071 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.072 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1565,KPDmeas= 0.1568,KC= 0.1687
Ncalc = 1.94
Help on Optical Data: Optical Data: Biaxial (?), b=1.87, 2V(Meas)=33.
 

Calculated Properties of Drugmanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.84 gm/cc
note: Specific Gravity of Drugmanite =5.55 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEDrugmanite =1,063.69 barns/electron
U=PEDrugmanite x rElectron Density=5,144.12 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Drugmanite is Not Radioactive
 

Drugmanite Classification
Help on Dana Class: Dana Class: 41.10.11.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.10)where (A++ B++)3 (XO4)2 Zq
  (41.10.11)Dana Group
 
41.10.11.01 Drugmanite Pb2(Fe,Al)H(PO4)2(OH)2 P 21/a 2/m
Help on Strunz Class: Strunz Class: 08.BH.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BH -With medium-sized and large cations, (OH,etc.):RO4 = 1:1
 
08.BH.15 Drugmanite Pb2(Fe,Al)H(PO4)2(OH)2 P 21/a 2/m
 

Other Drugmanite 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 Drugmanite :
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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Print or Cut-and-Paste your Drugmanite Specimen Label here :

Drugmanite

Pb2(Fe+++,Al)H(PO4)2(OH)2
Dana No: 41.10.11.01 Strunz No: 08.BH.15
Locality:

 

Notes: