Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Museumite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
[Pb
 
2
(Pb,Sb)
 
2
S
 
8
][(Te,Au)
 
2
]
System:MonoclinicColour:dark silver-grey
Hardness:1 - 1½
Name:found at an old museum sample and named museumite to give proper credit to all museums in the world preserving their old samples with care and accuracy


anhedral to subhedral grains up to 300 µm in size in cavities and vugs of nagyagite crystals

Classification of Museumite

IMA status:Approved 2003
Strunz 8th edition ID:2/D.15-15
Nickel-Strunz 10th (pending) edition ID:2.HB.20c

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb
mindat.org URL:http://www.mindat.org/min-26575.html
Please feel free to link to this page.

Type Occurrence of Museumite

Type Locality:Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Hunedoara Co., Romania
General Appearance of Type Material:anhedral to subhedral grains up to 300 µm in size in cavities and vugs of nagyagite crystals
Geological Setting of type material:in a hydrothermal (epithermal) vein in quartz-andesite
Associated Minerals at type locality:
SylvanitePetziteNagyágiteHessiteColoradoite

Physical Properties of Museumite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:dark silver-grey
Streak:grey-black
Hardness (Mohs):1 - 1½
Hardness (Vickers):VHN15=41 - 44 kg/mm2
Hardness Data:Measured
Cleavage:Perfect
on {001}
Fracture:Hackly

Crystallography of Museumite

Crystal System:Monoclinic
Class (H-M):2 - Sphenoidal
Cell Parameters:a = 4.361Å, b = 6.618Å, c = 20.858Å
β = 92.71°
Ratio:a:b:c = 0.659 : 1 : 3.152
Unit Cell Volume:V 601.3 ų
X-Ray Powder Diffraction:
d-spacingIntensity
4.80 (50)
3.56 (100)
3.47 (60)
2.99 (50)

Optical Data of Museumite

Type:Anisotropic
Anisotropism:distinct
Bireflectance:very low
Colour in reflected light:greyish white
Pleochroism:Weak

Chemical Properties of Museumite

Formula:
[Pb
 
2
(Pb,Sb)
 
2
S
 
8
][(Te,Au)
 
2
]
Essential elements:Pb, S, Te
All elements listed in formula:Au, Pb, S, Sb, Te

Relationship of Museumite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.HB.05aAikinite
PbCuBiS
 
3
2.HB.05aFriedrichite
Pb
 
5
Cu
 
5
Bi
 
7
S
 
18
2.HB.05aGladite
PbCuBi
 
5
S
 
9
2.HB.05aHammarite
Pb
 
2
Cu
 
2
Bi
 
4
S
 
9
2.HB.05cJaskólskiite
Pb
 
2+x
Cu
 
x
(Sb,Bi)
 
2-x
S
 
6
 (x = 0.2)
2.HB.05aKrupkaite
PbCuBi
 
3
S
 
6
2.HB.05aLindströmite
Pb
 
3
Cu
 
3
Bi
 
7
S
 
15
2.HB.05bMeneghinite
Pb
 
13
CuSb
 
7
S
 
24
2.HB.05aPekoite
PbCuBi
 
11
(S,Se)
 
18
2.HB.05aEmilite
Pb
 
2.7
Cu
 
2.7
Bi
 
5.3
S
 
12
2.HB.05UM2000-46-S:BiCuPb
Cu
 
0.33
Pb
 
0.33
Bi
 
7.67
S
 
12
2.HB.05aSalzburgite
Pb
 
1.6
Cu
 
1.6
Bi
 
6.4
S
 
12
2.HB.05UM1990-54-Se:BiCuPb
CuPb(Ni,Co)
 
0.3
Bi
 
3
Se
 
6
2.HB.05aPaarite
Pb
 
1.7
Cu
 
1.7
Bi
 
6.3
S
 
12
2.HB.10cEclarite
(Cu,Fe)Pb
 
9
Bi
 
12
S
 
28
2.HB.10bGiessenite
Pb
 
27
Cu
 
2
(Bi,Sb)
 
19
S
 
57
2.HB.10bIzoklakeite
Pb
 
27
(Cu,Fe,Ag)
 
2
(Sb,Bi)
 
19
S
 
57
2.HB.10aKobellite
Pb
 
22
Cu
 
4
(Bi,Sb)
 
30
S
 
69
2.HB.10aTintinaite
Pb
 
22
Cu
 
4
(Sb,Bi)
 
30
S
 
69
2.HB.15Benavidesite
Pb
 
4
(Mn,Fe)Sb
 
6
S
 
14
2.HB.15Jamesonite
Pb
 
4
FeSb
 
6
S
 
14
2.HB.20dBerryite
Pb
 
3
(Ag,Cu)
 
5
Bi
 
7
S
 
16
2.HB.20bBuckhornite
AuPb
 
2
BiTe
 
2
S
 
3
2.HB.20aNagyágite
Pb
 
5
Au(Te,Sb)
 
4
S
 
5-8
2.HB.20eWatkinsonite
Cu
 
2
PbBi
 
4
(Se,S,Te)
 
8
2.HB.20eLitochlebite
Ag
 
2
PbBi
 
4
Se
 
8

Other Names for Museumite

Synonyms:
IMA2003-039
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Museumite

Reference List:

- +
L. BINDI, C. CIPRIANI (2004): Museumite, Pb5AuSbTe2S12, a new mineral from the gold telluride deposit of Sacarîmb, Metaliferi Mountains, western Romania.- European Journal of Mineralogy 16, 835-838.

Internet Links for Museumite

Search Engines:
  • Look for Museumite on Google
  • Look for Museumite images on Google
    • External Links:
  • Look for Museumite on Webmineral
  • Look for Museumite on Athena Mineralogy
  • Look for Museumite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Fine Minerals from Weinrich Minerals, Inc.
  • Edwards Minerals - Fine Specimens
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Top quality minerals from Kristalle of California
  • Search for minerals at Heliodor
  • webminerals
  • Search for Museumite from all mineral dealers at minfind.com
  • Fabre Minerals - search for Museumite specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • Find Museumite on www.crystalclassics.co.uk
  • Buy fine minerals and gemstones from Pala International
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Museumite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Romania
     
    • Hunedoara Co.
    		L. Bindi & C. Cipriani (2004) Eur. J. Mineral. 16, 835-838
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 13th Aug 2011 22:02:09
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds