Mineralogy Database

Dugganite Mineral Data

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General Dugganite Information

Help on Chemical  Formula: Chemical Formula: Pb3Zn3Te(As,V,Si)2(O,OH)14
Help on Composition: Composition: Molecular Weight = 1,302.29 gm
   Vanadium    2.35 %  V     4.19 % V2O5
   Zinc       15.06 %  Zn   18.75 % ZnO
   Silicon     0.65 %  Si    1.38 % SiO2
   Tellurium   9.80 %  Te   12.26 % TeO2
   Arsenic     6.90 %  As    9.12 % As2O3
   Hydrogen    0.31 %  H     2.77 % H2O
   Lead       47.73 %  Pb   51.42 % PbO
   Oxygen     17.20 %  O
             ______        ______ 
             100.00 %       99.88 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb3Zn3TeAs1.2V5+0.6Si0.3O10(OH)4
Help on Environment: Environment: Rare secondary mineral in the oxidize zone of telluide-bearing depoists
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Emerald mine, Tombstone, Cochise County, Arizona, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Marjorie Duggan, analytical chemist, in reference to her discovery of Te6+ [hexavalent tellurium] in nature.
Help on Name Pronunciation: Name Pronunciation: Dugganite + Pronunciation Say DUGGANITE
Help on Synonym: Synonym: ICSD 85574
  PDF 29-1429

Dugganite Image

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Comments: Green crystalline aggregate of dugganite.
Location: Tombstone, Cochise County, Arizona, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Dugganite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.61473
Help on Cell Dimensions: Cell Dimensions: a = 8.472, c = 5.208, Z = 1; V = 323.72 Den(Calc)= 6.68
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6/mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.284(1), 2.997(0.8), 2.446(0.6),

Physical Properties of Dugganite

Help on Cleavage: Cleavage: {1120} Indistinct
Help on Color: Color: Colorless, Green, White.
Help on Density: Density: 6.33
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white

Optical Properties of Dugganite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.1 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.147 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1455,KPDmeas= 0.1536,KC= 0.1706
Ncalc = 2.08 - 2.14
Help on Optical Data: Optical Data: Uniaxial (-), e=1.967, w=1.977, bire=0.0100.

Calculated Properties of Dugganite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.46 gm/cc
note: Specific Gravity of Dugganite =6.33 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEDugganite = 898.46 barns/electron
U=PEDugganite x rElectron Density=4,905.17 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Dugganite is Not Radioactive

Dugganite Classification

Help on  Dana Class: Dana Class: (33)Selenates and Tellurates
  (33.03)with other anion groups
  (33.03.05)Pb, Zn Tellurates Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m Joelbruggerite! Pb3Zn3SbAs2O13(OH) P 321 3 2
Help on  Strunz Class: Strunz Class: 08.BL.20 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.20 Dugganite Pb3Zn3Te(As,V,Si)2(O,OH)14 P 6/mmm 6/m 2/m 2/m
08.BL.20 Cheremnykhite Zn3Pb3TeO6(VO4)2 C mmm,C 222,Cm2m,C mm2 Ortho
08.BL.20 Kuksite Pb3Zn3TeO6(PO4)2 C mmm 2/m 2/m 2/m

Other Dugganite Information

Help on References: References: NAME( Enc. Min. Vol 2) 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 Dugganite :
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

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Dana No: Strunz No: 08.BL.20





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