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Eztlite (Eztlit)

Pictures (1 Images total)

Eztlit
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Eztlit
Tafelige rot Kristalle - rosettenförmig, BB = 1 mm; Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko.
Copyright: Heribert Rotter; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A000301, Donator: Manfred Seitz
Location: Mexiko/Sonora/Moctezuma, Municipio/Moctezuma/Bambolla Mine (Moctezuma Mine)
Mineral: Eztlite
Image: 1352826781
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Eztlit (SNr: A000301)

Tafelige rot Kristalle - rosettenförmig, BB = 1 mm; Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko.
Collection: Lithothek der Münchener Micromounter
Copyright: Heribert Rotter
Contribution: Münchener Micromounter 2012-11-13
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko

You find additional Eztlit specimen at the Geolitho Museum

Collectors Summary

Color blutrot
Streak color orange
Hardness (Mohs) 3
Solubility +++ HCl, HNO3
Crystal System monoklin, Cm

Chemism

Chemical formula

Pb2+2Fe3+3(Te4+O3)3(SO4)O2Cl

Chemical composition

Blei, Chlor, Eisen, Tellur, Sauerstoff, Schwefel

Unit weight: 1272.27475 u; Number of atoms in the formula: 25

Info

Empirical formula:

Pb2Fe3(TeO3)3(SO4)O2Cl

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

18.86

15

60.00

15.9994300

239.9914500
Sulfur

S

2.52

1

4.00

32.0655000

32.0655000
Chlorine

Cl

2.79

1

4.00

35.4532000

35.4532000
Iron

Fe

13.17

3

12.00

55.8452000

167.5356000
Tellurium

Te

30.09

3

12.00

127.6030000

382.8090000
Lead

Pb

32.57

2

8.00

207.2100000

414.4200000

Analysis wt%

Fe2O3 : 24.30, PbO : 25.50, TeO2 : 26.80, TeO3 : 8.60, H2O : 12.30 (Ref: Mineralogical Magazine 82)

Strunz 9th edition incl. updates

4.JN.20

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

Lapis Classification

IV/K.19-030

IV: OXIDE
K: Sulfite, Selenite, Tellurite
19: Tellurate mit [Te6+O6] 6- + [XO4]-Gruppen (X=P,As,S,V) und komplexe Tellurit-Tellurate [Te4+O3] 2-+ [Te6+O6] 6-

Classification by Hölzel

5.MD.200

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

Dana 8th edition

34.08.05.01

34: Selenites - Tellurites - Sulfites
08: Selenites - Tellurites - Sulfites

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blutrot

Streak color

orange

max. Birefringence

0.01~
Birefringence chart\! Eztlite title=Birefringence chart Eztlite

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

2.14

RI value γ / ε

2.15

Ri mean

2.15

2V angle

Biaxial

Crystallography

Crystal System

monoklin

Class (H-M)

m

Space Group number

8

Space Group

Cm

Cell parameters a (Å)

11.466(2)

Cell parameters b (Å)

19.775(4)

Cell parameters c (Å)

10.497(2)

Cell parameters a/b or c/a

0.58

Cell parameters c/b

0.531

Cell parameters α

90°

Cell parameters β

102.62(3)°

Cell parameters γ

90°

Volumne (ų)

2322.59

X-Ray Powder Diffraction

10.27(50),
5.130(60),
4.037(90),
3.426(100),
3.289(100),
3.239(90),
2.613(60),
2.445(70)
XRD chart Eztlite

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

Physical Properties

Hardness (Mohs)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.5 (gemessen)

Instability

+++ HCl, HNO3

(Co-)Type locality

(Co-)Type locality

Mexiko/Sonora/Moctezuma, Municipio/Moctezuma

Preface

Author (Name, Year)

Williams, 1982

References

Mineralogical Magazine 46 (1982), 257

IMA 18-A: Missen, O.P., Mills, S.J., Spratt, J., Welch, M.D., Birch, W.D., Rumsey, M.S., Vylita, J. (2018): The crystal structure determination and redefinition of eztlite, Pb2+2Fe3+3(Te4+O3)3(SO4)O2Cl. Mineralogical Magazine, 82, 1355-1367.

Other languages

German

Eztlit

Spanish

Eztlita

English

Eztlite

French

Eztlite

Russian

Эцтлит

CNMNC (IMA)-Number

IMA 1980-072

IMA 2018-A

CNMNC symbol

Symbol

Ez

Locations with GPS information