Denningite Mineral Data

Denningite Mineral Data
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General Denningite Information

Help on Chemical Formula: Chemical Formula: (Mn,Zn)Te2O5
Help on Composition: Composition: Molecular Weight = 392.75 gm
   Manganese  10.49 %  Mn   13.55 % MnO
   Zinc        4.16 %  Zn    5.18 % ZnO
   Tellurium  64.98 %  Te   81.27 % TeO2
   Oxygen     20.37 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+0.75Zn0.25Te2O5
Help on Environment: Environment: Hydrothermal Au-Te deposit.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Moctezuma (Bambolla) mine, 12 km south of Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Reynolds McConnell Denning (1916-1967), Professor of Mineralogy, University of Michigan, Ann Arbor, Michigan, USA.
Help on Name Pronunciation: Name Pronunciation: Denningite + Pronunciation Say DENNINGITE
Help on Synonym: Synonym: ICSD 73991
  PDF 45-1368
 

Denningite Image

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Denningite   Tellurite

Comments: Vitreous colorless to very pale yellowish elongated crystals denningite with yellow tellurite.
Location: Bambolla Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Denningite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.47845
Help on Cell Dimensions: Cell Dimensions: a = 8.82, c = 13.04, Z = 8; V = 1,014.41 Den(Calc)= 5.14
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/nbc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.42(1), 3.38(0.8), 3.12(0.7),
Click Here for Large Denningite Structure Window Crystal Structure:

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Miletich R , Mineralogy and Petrology , 48 (1993) p.129-145, Copper-substituted manganese-denningites,, Mn(Mn1-xCux)(Te2O5)2(0<=x<=1): synthesis and crystal chemistry, Locality: synthetic, Sample: x = 0.0

View Additional jPOWD Structure files for Denningite
[1] [2] [3] [4]
 

Physical Properties of Denningite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, Light green.
Help on Density: Density: 5.05
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Denningite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.056 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.073 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1839,KPDmeas= 0.1871,KC= 0.1982
Ncalc = 2 - 2.02
Help on Optical Data: Optical Data: Uniaxial (+), w=1.89, e=2, bire=0.1100.
 

Calculated Properties of Denningite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.38 gm/cc
note: Specific Gravity of Denningite =5.05 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEDenningite = 235.24 barns/electron
U=PEDenningite x rElectron Density=1,029.92 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Denningite is Not Radioactive
 

Denningite Classification
Help on Dana Class: Dana Class: 34.04.01.01 (34)Selenites - Tellurites - Sulfites
  (34.04)Dana Type
  (34.04.01)Dana Group
 
34.04.01.01 Denningite (Mn,Zn)Te2O5 P 41/nbc 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.JK.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JK -Tellurites without additional anions, without H2O
 
04.JK.30 Denningite (Mn,Zn)Te2O5 P 41/nbc 4/m 2/m 2/m
 

Other Denningite Information
Help on References: References: NAME( AntBidBlaNic5) 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 Denningite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Denningite

(Mn,Zn)Te2O5
Dana No: 34.04.01.01 Strunz No: 04.JK.30
Locality:

 

Notes: