Denningite Mineral Data (original) (raw)

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

Click Here for Larger Denningite Image in a New Browser Window Images:

Click Here for Larger Denningite Image 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 - 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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Ask about Denningite here :
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Print or Cut-and-Paste your Denningite Specimen Label here :

Denningite

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

Notes: