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Agmantinite

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Agmantinit
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Agmantinit
rote Kristalle von Agmantinit mit schwarzem Manganoquadratit, Uchucchacua Mine, Oyon, Lima, Peru; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Peru/Lima, Region/Oyon, Provinz/Uchucchacua Mine
Mineral: Agmantinite
Image: 1589709672
License: Usage for Mineralienatlas project only
Agmantinit

rote Kristalle von Agmantinit mit schwarzem Manganoquadratit, Uchucchacua Mine, Oyon, Lima, Peru; BB < 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-17
Locality: Uchucchacua Mine / Oyon, Provinz / Lima, Region / Peru

Collectors Summary

Crystal System orthorhombisch, P21nm

Chemism

Chemical formula

Ag2MnSnS4

Chemical composition

Mangan, Silber, Zinn, Schwefel

Unit weight: 517.6471899 u; Number of atoms in the formula: 8

Info

Empirical formula:

Ag2MnSnS4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

24.78

4

50.00

32.0655000

128.2620000
Manganese

Mn

10.61

1

12.50

54.9380499

54.9380499
Silver

Ag

41.68

2

25.00

107.8682200

215.7364400
Tin

Sn

22.93

1

12.50

118.7107000

118.7107000

Strunz 9th edition incl. updates

2.KA.

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
K: Sulfoarsenate
A: Unterteilung 2.KA - 2.KB

Lapis Classification

II/C.14-005

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

IMA status

von der CNMNC anerkanntes Mineral; CNMNC Newsletter No. 23, Februar 2015

Mineral status

anerkanntes Mineral

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

31

Space Group

P21nm

Cell parameters a (Å)

6.632(2)

Cell parameters b (Å)

6.922(2)

Cell parameters c (Å)

8.156(2)

Cell parameters a/b or c/a

0.958

Cell parameters c/b

1.178

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Volume (ų)

374.415

Crystal structure

Strukturmäßig verwandt mit Wurtzit, Struktur bestimmt

X-Ray Powder Diffraction

3.51(s), 3.32(w), 3.11(vs), 2.42(w), 2.04(m), 1.88(m), 1.73(m)

(Co-)Type locality

(Co-)Type locality

Peru/Lima, Region/Oyon, Provinz/Uchucchacua Mine

Type material

Naturhistorisches Museum Wien, Wien, Austria

Collection number of type material

N 9736

Preface

Rareness

Extremely rare

Author (Name, Year)

Frank N. Keutsch, Dan Topa, Rie Takagi Fredrickson, Emil Makovicky und Werner Paar

References

Keutsch, F.N., Topa, D., Takagi Fredrickson, R., Makovicky, E. and Paar, W. (2015) Agmantinite, IMA 2014-083. CNMNC Newsletter No. 23, February 2015, page 57; Mineralogical Magazine, 79, 51-58.

Other languages

German

Agmantinit

English

Agmantinite

Russian

Агмантинит

CNMNC (IMA)-Number

IMA 2014-083

CNMNC symbol

Symbol

Agm

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 1kcIVBZq-ESKVibbd-33-A
GUID (Global unique identifier) 540847D6-6A16-44F8-8A56-26DB77EDF7F8
Database ID 7880