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Zemannite (Zemannit)

Pictures (27 Images total)

Zemannit
Views (File:
1283885621
): 2207, Rating: 8.67
Zemannit
Bildbreite: 2 mm, Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko
Copyright: Christian Rewitzer; Contribution: thdun5
Location: Mexiko/Sonora/Moctezuma, Municipio/Moctezuma/Moctezuma (Bambolla, Bamboya) Mine
Mineral: Zemannite
Image: 1283885621
Rating: 8.67 (votes: 6)
License: Usage for Mineralienatlas project only
Zemannit

Bildbreite: 2 mm, Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko
Copyright: Christian Rewitzer
Contribution: thdun5 2010-09-07
Locality: Moctezuma (Bambolla, Bamboya) Mine / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Eurekadumpit neben Zemannit
Views (File:
1577790938
): 300
Eurekadumpit neben Zemannit
hellgelbe Nadeln von Zemannit mit türkisen kugeligen Aggregaten von Eurekadumpit, North Star Mine, Mammoth, Arizona, USA; BB < 1 mm
Copyright: Joy Desor; Contribution: openpit
Location: USA/Utah/Juab County/Tintic District/Mammoth/North Star Mine
Mineral: Eurekadumpite, Zemannite
Image: 1577790938
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Eurekadumpit neben Zemannit

hellgelbe Nadeln von Zemannit mit türkisen kugeligen Aggregaten von Eurekadumpit, North Star Mine, Mammoth, Arizona, USA; BB < 1 mm
Copyright: Joy Desor
Contribution: openpit 2019-12-31
Locality: North Star Mine / Mammoth / Tintic District / Juab County / Utah / USA
Zemannit aus der Bambolla Mine, Mexiko
Views (File:
1500816416
): 930
Zemannit aus der Bambolla Mine, Mexiko
Fundort: Bambolla Mine, Mexiko; Mineralien: Zemannit (braune Kristalle); Bildbreite: 1,2 mm; Bestimmung: optisch
Copyright: Florian; Contribution: Florian
Collection: Florian, Collection number: 1796
Location: Mexiko/Sonora/Moctezuma, Municipio/Moctezuma/Moctezuma (Bambolla, Bamboya) Mine
Mineral: Zemannite
Image: 1500816416
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
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: Moctezuma (Bambolla, Bamboya) Mine / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Zemannit und Tellurit
Views (File:
1601909277
): 185
Zemannit und Tellurit
Hexagonaler, kurzprismatischer Zemannit neben gelbem prismatischem Tellurit aus der Moctezuma Mine in Sonora, Mexico. Bildhöhe etwa 3,8 mm.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: Moc-Burck-2-1-1
Location: Mexiko/Sonora/Moctezuma, Municipio/Moctezuma/Moctezuma (Bambolla, Bamboya) Mine
Mineral: Tellurite, Zemannite
Image: 1601909277
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Zemannit und Tellurit (SNr: Moc-Burck-2-1-1)

Hexagonaler, kurzprismatischer Zemannit neben gelbem prismatischem Tellurit aus der Moctezuma Mine in Sonora, Mexico. Bildhöhe etwa 3,8 mm.
Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2020-10-05
Locality: Moctezuma (Bambolla, Bamboya) Mine / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Zemannit
Views (File:
1296041136
): 1222
Zemannit
Zwei rotbraune Kristallgruppen in Quarzdruse, BB = 1 mm; Fundort : Bambolla Mine, Moctezuma, Sonora, Mexiko.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A015968, Donator: Manfred Seitz
Location: Mexiko/Sonora/Moctezuma, Municipio/Moctezuma/Moctezuma (Bambolla, Bamboya) Mine
Mineral: Zemannite
Image: 1296041136
Rating: 8 (votes: 3)
License: Usage for Mineralienatlas project only
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: Moctezuma (Bambolla, Bamboya) Mine / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko

You find additional specimen at the Geolitho Museum

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
10: Sulfite, Selenite, Tellurite mit Baugruppen [XO3] 2- und verwandte Strukturen

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

Volume (ų)

590.627

Crystal 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.

Herta S. Effenberger, Martin Ende, Ronald Miletich: New insights into the crystal chemistry of zemannite: Trigonal rather than hexagonal symmetry due to ordering within the host-guest structure. Mineralogy and Petrology Vol. 117, Nr. 2 (2023) S. 117–131.

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

(Co-)Type locality

(Co-)Type locality

Mexiko/Sonora/Moctezuma, Municipio/Moctezuma/Moctezuma (Bambolla, Bamboya) Mine

Preface

Name from

Benannt nach Josef Zemann (25.5.1923-16.10.2022), Professor der Mineralogie an der `University of Vienna` in Österreich. Weblink: In memoriam Josef Zemann (1923-2022)
Würdigung und Publikationsliste siehe Ekkehart Tillmanns: Dedicated to emer. o. Univ. Prof. Dr. Josef Zemann on the occasion of his 90th birthday. Mineralogy and Petrology Vol. 107, Issue 2 (2013) S. 149 – 151.
Gerald Giester, Thomas Armbruster, Tonci Balić-Žunić, Anton Beran, Herta Effenberger, Reinhard X. Fischer, Karen Friese, Eugen Libowitzky, Manfred Wildner, Lutz Nasdala: On the occasion of the 100th anniversary of Josef Zemann’s birthday: a tribute to his scientific oeuvre. Mineralogy and Petrology Vol. 117, Nr. 2 (2023) S. 113–116.

Author (Name, Year)

Mandarino & Matzat & Williams, 1969

References

  • Mandarino JA, Williams SJ: Five new minerals from Moctezuma, Sonora, Mexico. Science Vol. 133 (1961) S. 2017.
  • Mandarino JA, Matzat E, Williams SJ: Zemannite, a new tellurite mineral from Moctezuma, Sonora, Mexico. Canadian Mineralogist Vol. 10 (1969) S.139–140.
  • Mandarino JA, Matzat E, Williams SJ: Zemannite, a zinc tellurite from Moctezuma, Sonora, Mexico. Canadian Mineralogist Vol. 14 (1976) S. 387-390.

IMA group assignments

Other languages

German

Zemannit

Spanish

Zemannita

English

Zemannite

French

Zemannite

Russian

Земаннит

CNMNC (IMA)-Number

IMA 1968-009

CNMNC symbol

Symbol

Zem

Locations with GPS information

IDs

GUSID (Global unique identifier short form) HO8u6Y19U023YppN7-mWQg
GUID (Global unique identifier) E92EEF1C-7D8D-4D53-B762-9A4DEFE99642
Database ID 4268