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Zemannite

Pictures (26 Images total)

Zemannit aus der Bambolla Mine, Mexiko
Views (Image: 1500816416): 621
Zemannit aus der Bambolla Mine, Mexiko (SNr: 1796)

Fundort: Bambolla Mine, Mexiko; Mineralien: Zemannit (braune Kristalle); Bildbreite: 1,2 mm; Bestimmung: optisch

Collection: Florian
Copyright: Florian
Contribution: Florian 2017-07-23
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Zemannit
Views (Image: 1150707169): 1420
Zemannit

Bildbreite: 6 mm; Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko

Copyright: Stephan Wolfsried
Contribution: slugslayer 2006-06-19
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Zemannit
Views (Image: 1283885621): 888
Zemannit

Bildbreite: 2 mm, Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko

Copyright: Christian Rewitzer
Contribution: thdun5 2010-09-07
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Zemannit
Views (Image: 1296041136): 1024
Zemannit (SNr: A015968)

Zwei rotbraune Kristallgruppen in Quarzdruse, BB = 1 mm; Fundort : Bambolla Mine, Moctezuma, Sonora, Mexiko.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2011-01-26
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Zemannit
Views (Image: 1296042668): 1164
Zemannit (SNr: A015969)

Gruppe hexagonaler rotbrauner prismatische Kristalle in Quarzdruse, BB = 2,5 mm; Fundort : Bambolla Mine, Moctezuma, Sonora, Mexiko.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2011-01-26
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Zemannit
Views (Image: 1293643567): 824
Zemannit

Kristallgröße: 0,5 mm; Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko

Copyright: Thierry Brunsperger
Contribution: slugslayer 2010-12-29
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko

Collectors Summary

Color braun
Lustre Diamantglanz
Solubility +++ Säuren
Crystal System hexagonal, P63

Chemism

Chem­ical formula

Mg0.5[Zn2+Fe3+(Te4+O3)3]·4.5H2O

Chem­ical com­po­si­tion

Eisen, Magnesium, Tellur, Zink, Sauerstoff, Wasserstoff

Unit weight: 741.279958 u; Number of atoms in the formula: 28

Info

Empirical formula:

Mg0.5[ZnFe(TeO3)3]·4.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.22

9

32.14

1.0079470

9.0715230

Oxygen

O

29.14

13.5

48.21

15.9994300

215.9923050

Magnesium

Mg

1.64

0.5

1.79

24.3050600

12.1525300

Iron

Fe

7.53

1

3.57

55.8452000

55.8452000

Zinc

Zn

8.82

1

3.57

65.4094000

65.4094000

Tellurium

Te

51.64

3

10.71

127.6030000

382.8090000

Strunz 9th edi­tion incl. updates

4.JM.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
J: Antimonite, Bismuthite, Sulfite, Selenite, Tellurite
M: Tellurite ohne zusätzliche [Anionen], mit H20
05:Zemannit-Gruppe

Lapis Clas­sifica­tion

IV/K.10-030

IV: OXIDE
K: Sulfite, Selenite, Tellurite

Clas­sifica­tion by Hölzel

5.MC.200

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
M: Tellurites
C: Tellurites (-Anions +Water)

Dana 8th edi­tion

34.03.02.01

34: Selenites - Tellurites - Sulfites
03: Selenites - Tellurites - Sulfites
02: Zemannite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Zemannite group

Optical Properties

Color

braun

Lus­tre

Diamantglanz

max. Birefrin­gence

0.08

Birefringence chart\! Zemannite title=Birefringence chart Zemannite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.85

RI value γ / ε

1.93

Ri mean

1.877

2V angle

Uniaxial (+)

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6

Space Group number

173

Space Group

P63

Cell param­e­ters a (Å)

9.4301(12)

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

7.6692(10)

Cell param­e­ters a/b or c/a

0.812

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

2

Volumne (ų)

590.627

Kristall struc­ture

Georgia Cametti, Sergey Churakov, Thomas Armbruster: Reinvestigation of the zemannite structure and its dehydration behavior: a single-crystal X-ray and atomistic simulation study. European Journal of Mineralogy Vol. 29, Nr. 1 (2017) S. 53-61.

Missen, Owen P.; Mills, Stuart J.; Spratt, John; Birch, William D.; Brugger, Joël: Crystal chemistry of zemannite-type structures: I. A re-examination of zemannite from Moctezuma, Mexico. European Journal of Mineralogy Vol.31, Nr. 3 (2019) S. 519 - 527.

X-Ray Pow­der Diffrac­tion

8.15(100),
4.07(80),
2.96(60),
2.845(60),
2.778(90),
2.345(50),
2.160(50),
1.726(60)

XRD chart Zemannite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

4.19 (berechnet)

4.168 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Mandarino & Matzat & Williams, 1969

Addi­tional Informa­tion

Benannt nach Josef Zemann (* 1923), Professor der Mineralogie an der `University of Vienna` in Österreich.

References

Canadian Mineralogist 14 (1976), 387

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Zemannite

Mg0.5[Zn2+Fe3+(Te4+O3)3]·4.5H2O

hexagonal : 6 : P63

4.JM.05

Ilirneyite

Mg0,5[ZnMn3+(TeO3)3]·4,5H2O

hexagonal : 6/m : P63/m

4.JM.05

Keystoneite

Mg0.5[Ni2+Fe3+(TeO3)3]·4H2O

hexagonal : 6 : P63

4.JM.05

Kinichilite

Mg0.5[Mn2+Fe3+(TeO3)3]·4.5H2O

hexagonal : 6, 6/m : P63, P63/m

4.JM.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Keystoneite

Mg0.5[Ni2+Fe3+(TeO3)3]·4H2O

hexagonal : 6 : P63

IV/K.10-010

Kinichilite

Mg0.5[Mn2+Fe3+(TeO3)3]·4.5H2O

hexagonal : 6, 6/m : P63, P63/m

IV/K.10-020

Zemannite

Mg0.5[Zn2+Fe3+(Te4+O3)3]·4.5H2O

hexagonal : 6 : P63

IV/K.10-030

Quetzalcoatlite

Zn8Cu4(TeO3)3(OH)18

trigonal : 3m : P3m1

IV/K.10-040

Francisite

Cu3Bi(SeO3)2O2Cl

orthorhombisch : mmm : Pmmn

IV/K.10-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Zemannite

Mg0.5[Zn2+Fe3+(Te4+O3)3]·4.5H2O

hexagonal : 6 : P63

5.MC.200

Kinichilite

Mg0.5[Mn2+Fe3+(TeO3)3]·4.5H2O

hexagonal : 6, 6/m : P63, P63/m

5.MC.220

Keystoneite

Mg0.5[Ni2+Fe3+(TeO3)3]·4H2O

hexagonal : 6 : P63

5.MC.240

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Cliffordite

UTe3O9

kubisch : m3 : Pa3

34.03.01.01

Zemannite

Mg0.5[Zn2+Fe3+(Te4+O3)3]·4.5H2O

hexagonal : 6 : P63

34.03.02.01

Kinichilite

Mg0.5[Mn2+Fe3+(TeO3)3]·4.5H2O

hexagonal : 6, 6/m : P63, P63/m

34.03.02.02

Keystoneite

Mg0.5[Ni2+Fe3+(TeO3)3]·4H2O

hexagonal : 6 : P63

34.03.02.03

Emmonsite

Fe23+Te34+O9·2H2O

triklin : 1 : P1

34.03.03.01

Mandarinoite

Fe23+Se3O9·6H2O

monoklin : 2/m : P21/c

34.03.04.01

Other languages

German

Zemannit

Spanish

Zemannita

English

Zemannite

French

Zemannite

Russian

Земаннит

CNMNC (IMA)-Number

IMA 1968-009

CNMNC symbol

Symbol

Zem

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Zemannit
Google-Bilder-Suche - search for: Zemannit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Zemannit

English pages

Mindat - search for: Zemannite
Webmineral - search for:Zemannite
Handbook-of-Mineralogy - search for: Zemannite
RRUFF - Raman, XRD and other mineral data - search for: Zemannite
RRUFF - References and PDF downloads - search for: Zemannite
American-Mineralogist-Crystal-Structure-Database - search for: Zemannite
Athena - search for: Zemannite
Strahlen.org - search for: Zemannite
Mineralienatls.de (Forum) - search for: Zemannit

Russian pages

Webmineral.ru - search for: Земаннит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Zemannit
Crystal-Treasure.com - search for: Zemannit
Bosse - search for: Zemannit
Edelsteine Neuburg - Gundolf Fischer - search for: Zemannit

Locations with GPS information