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Menchettiite

Pictures (1 Images total)

Menchettiit
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Menchettiit
graumetallische Probe von Menchettiit auf Schaumstoff, Uchucchacua Mine, Oyon, Peru; BB ~ 1 mm, analysiert mittels REM-EDX, Teil des Holotyp-Materials
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Peru/Lima, Region/Oyon, Provinz/Uchucchacua Mine
Mineral: Menchettiite
Image: 1605112984
License: Usage for Mineralienatlas project only
Menchettiit  E
Analysed with energy dispersive X-ray spectroscopy EDX

graumetallische Probe von Menchettiit auf Schaumstoff, Uchucchacua Mine, Oyon, Peru; BB 1 mm, analysiert mittels REM-EDX, Teil des Holotyp-Materials
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-11-11
Locality: Uchucchacua Mine / Oyon, Provinz / Lima, Region / Peru

Collectors Summary

Fracture uneben
Crystal System monoklin, P21/n

Chemism

Chem­ical formula

Pb5Mn3Ag2Sb6As4S24

Addi­tional chem. informa­tion

Mitglied der Ramdohrit-Lillianit-Serie

Chem­ical com­po­si­tion

Antimon, Arsen, Blei, Mangan, Silber, Schwefel

Unit weight: 3216.4195977 u; Number of atoms in the formula: 44

Info

Empirical formula:

Pb5Mn3Ag2Sb6As4S24

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

23.93

24

54.55

32.0655000

769.5720000
Manganese

Mn

5.12

3

6.82

54.9380499

164.8141497
Arsenic

As

9.32

4

9.09

74.9216020

299.6864080
Silver

Ag

6.71

2

4.55

107.8682200

215.7364400
Antimony

Sb

22.71

6

13.64

121.7601000

730.5606000
Lead

Pb

32.21

5

11.36

207.2100000

1,036.0500000

Anal­y­sis wt%

S : 24.03, As : 9.25, Sb : 23.23, Ag : 6.59, Pb : 31.23, Mn : 5.51 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

2.JA.40a

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
J: Sulfosalze mit PbS als Vorbild
A: Ketten als Flächen verbunden
40a:

Lapis Clas­sifica­tion

II/E.23-025

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)
23: Komplexe Blei-Sulfosalze (Pb-Fe/Mn, Pb-Ag) mit Sb (x=2,3 - 2,0)

Clas­sifica­tion by Hölzel

2.HA.510

2: SULFIDES
H: PbS Archetype
A: With Cu,Ag,Pb
5: Ramdohrite Series

IMA sta­tus

anerkannt - CNMNC - New minerals and nomenclature modifications approved in May 2011

Min­eral sta­tus

anerkanntes Mineral

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell param­e­ters a (Å)

19.233

Cell param­e­ters b (Å)

12.633

Cell param­e­ters c (Å)

8.476

Cell param­e­ters a/b or c/a

1.522

Cell param­e­ters c/b

0.671

Cell param­e­ters α

90°

Cell param­e­ters β

90.8

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

2059.217

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

3.407(39), 3.403(39), 3.285(100), 2.859(26), 2.854(49), 2.852(47), 2.707(24), 2.119(33)
XRD chart Menchettiite

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

Crystal Structure 3D

Open larger view

Physical Properties

VHN (Hard­ness Vick­ers)

128 (100g)

Density (g/cm³)

5.187 ( ρ calc. Mineralienatlas )

Frac­ture

uneben

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

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

Type mate­r­ial

Museo di Storia Naturale, Sezione di Mineralogia e Litologia, Università di Firenze, Florenz, Italien

Col­lec­tion number of type mate­r­ial

3109/I

Preface

Author (Name, Year)

Luca Bindi, Paola Bonazzi and Frank N. Keutsch (2011)

References

New minerals and nomenclature modifications approved in 2011 Williams et al. Mineral Mag.2011; 75: 2549-2561

Other languages

German

Menchettiit

English

Menchettiite

CNMNC (IMA)-Number

IMA 2011-009

CNMNC symbol

Symbol

Men

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

German pages

 DeWikiPedia - search for: Menchettiit
Google-Bilder-Suche - search for: Menchettiit
Mineralienatlas.de (Forum) - search for: Menchettiit

English pages

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

Mineral Dealer

German pages

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

Locations with GPS information