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Emmonsite

Pictures (21 Images total)

Emmonsit-Aggregate
Views (Image: 1178318915): 2159, Rating: 8.8
Emmonsit-Aggregate

Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko

Copyright: Stephan Wolfsried
Contribution: Klinoklas 2007-05-05
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Emmonsit
Views (Image: 1367742607): 1814, Rating: 9
Emmonsit

Bambolla Mine (Moctezuma Mine), Moctezuma, Sonora, Mexiko, Bildbreite 14 mm

Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2013-05-05
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
grüne Emmonsit-Aggregate
Views (Image: 1150705060): 1216
grüne Emmonsit-Aggregate

Bildbreite: 4mm; Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko

Copyright: Stephan Wolfsried
Contribution: slugslayer 2006-06-19
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Emmonsit
Views (Image: 1211884308): 1757
Emmonsit

Bildbreite: 3 mm; Fundort: Bambolla Mine, Moctezuma, Sonora, Mexiko

Copyright: Christian Rewitzer
Contribution: Hg 2008-05-27
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
Emmonsit
Views (Image: 1462647939): 921
Emmonsit (SNr: B001733)

Lockige gelbgrüne Kristalle, BB = 4,5 mm, Fundort: Bambolla Mine (Moctezuma Mine), Moctezuma, Sonora, Mexiko.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2016-05-07
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko
weißer Schieffelinit auf grünem Emmonsit
Views (Image: 1193118728): 1171
weißer Schieffelinit auf grünem Emmonsit

Bildbreite: 3 mm; Fundort: Grand Central Mine, Tombstone, Tombstone District, Cochise Co., Arizona, USA

Copyright: Christian Rewitzer
Contribution: slugslayer 2007-10-23
Locality: Grand Central Mine / Tombstone / Tombstone District / Cochise Co. / Arizona / USA

Collectors Summary

Color hellgrün, gelbgrün
Lustre Glasglanz - (Matt)
Hardness (Mohs) 5
Solubility +++ Säuren
Crystal System triklin, P1
Morphology faserige Krusten, kugelige oder dichte, kristalline Massen

Chemism

Chem­ical formula

Fe23+Te34+O9·2H2O

Chem­ical com­po­si­tion

Eisen, Tellur, Sauerstoff, Wasserstoff

Unit weight: 674.524918 u; Number of atoms in the formula: 20

Info

Empirical formula:

Fe2Te3O9·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.60

4

20.00

1.0079470

4.0317880

Oxygen

O

26.09

11

55.00

15.9994300

175.9937300

Iron

Fe

16.56

2

10.00

55.8452000

111.6904000

Tellurium

Te

56.75

3

15.00

127.6030000

382.8090000

Anal­y­sis wt%

Fe2O3 : 23.68, TeO2 : 70.98, H2O : 5.34 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

4.JM.10

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
10:Emmonsit-Gruppe

Lapis Clas­sifica­tion

IV/K.09-030

IV: OXIDE
K: Sulfite, Selenite, Tellurite
9: Sulfite, Selenite, Tellurite mit Baugruppen [XO3] 2- und verwandte Strukturen

Clas­sifica­tion by Hölzel

5.MC.140

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

Dana 8th edi­tion

34.03.03.01

34: Selenites - Tellurites - Sulfites
03: Selenites - Tellurites - Sulfites

IMA sta­tus

anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

hellgrün, gelbgrün

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

Lus­tre

Glasglanz - (Matt)

max. Birefrin­gence

0.15~

Birefringence chart\! Emmonsite title=Birefringence chart Emmonsite

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

1.962

RI value β

2.09

RI value γ / ε

2.11

Ri mean

2.054

2V angle

Biaxial (-) 20°~

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

7.90

Cell param­e­ters b (Å)

8.00

Cell param­e­ters c (Å)

7.62

Cell param­e­ters a/b or c/a

0.988

Cell param­e­ters c/b

0.952

Cell param­e­ters α

96.73

Cell param­e­ters β

95.0

Cell param­e­ters γ

84.47

Z

2

Volumne (ų)

474.636

X-Ray Pow­der Diffrac­tion

5.81(70),
3.69(80),
3.13(100),
2.87(90),
2.70(80),
2.51(90),
2.29(70),
1.80(80)

XRD chart Emmonsite

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

Morphol­ogy

faserige Krusten, kugelige oder dichte, kristalline Massen

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5

VHN (Hard­ness Vick­ers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.52 - 4.53

4.719 ( ρ calc. Mineralienatlas )

Radioac­tiv­ity

Emmonsit ist nicht radioaktiv.

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

USA/Arizona/Cochise Co./Tombstone District/Tombstone

Preface

Gen­er­a­tion con­di­tions

Emmonsit ist ein Sekundärmineral, welches bei der Oxidation von Tellurhaltigen Mineralien entsteht.

Asso­cia­tions

Schmitterit

Name from

Benannt nach dem amerikanischen Geologen Samuel Franklin Emmons (1841-1911)

Author (Name, Year)

Hillebrand, 1885

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 204

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

'Blakeite'

Fe23+[Te4+O3]3

4.JM.10

Millsite

CuTeO3·2H2O

monoklin : 2/m : P21/c

4.JM.10

Emmonsite

Fe23+Te34+O9·2H2O

triklin : 1 : P1

4.JM.10

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

'Blakeite'

Fe23+[Te4+O3]3

IV/K.09-010

Sonoraite

Fe3+Te4+O3(OH)·H2O

monoklin : 2/m : P21/c

IV/K.09-020

Emmonsite

Fe23+Te34+O9·2H2O

triklin : 1 : P1

IV/K.09-030

Rodalquilarite

H3Fe23+(Te4+O3)4Cl

triklin : 1 : P1

IV/K.09-040

Poughite

Fe23+(TeO3)2(SO4)·3H2O

orthorhombisch : mm2 : P21nb

IV/K.09-050

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

Graemite

CuTeO3·H2O

orthorhombisch : mm2 : Pmc21

5.MC.100

Teineite

CuTeO3·2H2O

orthorhombisch : 222 : P212121

5.MC.110

Emmonsite

Fe23+Te34+O9·2H2O

triklin : 1 : P1

5.MC.140

Telluromandarinoite

Fe3+2Te3O9·6H2O

monoklin : 2/m : P21/c

5.MC.150

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]·4.5H2O

hexagonal : 6/m : P63/m

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

Emmonsit

Spanish

Emmonsita

English

Emmonsite

French

Emmonsite

Russian

Эммонсит

Alternative Name

Durdenit

Durdenite

Emmonsite (of Hillebrand)

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

German pages

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

English pages

Mindat - search for: Emmonsite
Webmineral - search for:Emmonsite
Handbook-of-Mineralogy - search for: Emmonsite
RRUFF - Raman, XRD and other mineral data - search for: Emmonsite
RRUFF - References and PDF downloads - search for: Emmonsite
American-Mineralogist-Crystal-Structure-Database - search for: Emmonsite
Athena - search for: Emmonsite

Russian pages

Webmineral.ru - search for: Эммонсит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Emmonsit
Crystal-Treasure.com - search for: Emmonsit
Bosse - search for: Emmonsit

Locations with GPS information