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Angelaite

Formula:
Cu
 
2
AgPbBiS
 
4
System:Monoclinic
Name:Named for type locality, Mina Angela
This page provides mineralogical data about Angelaite.

Classification of Angelaite

IMA status:Approved 2003
Strunz 8th edition ID:2/E.0-
Strunz 9th edition ID:2.JB.45
Nickel-Strunz 10th (pending) edition ID:2.JB.45

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
Dana 8th edition ID:3.1.5.2

3 : SULFOSALTS
1 : ø > 4
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Type Occurrence of Angelaite

Type Locality:Angela mine, Los Manantiales District, Gastre, Chubut, Argentina
General Appearance of Type Material:inclusions in galena
Geological Setting of type material:epithermal gold ore in volcanic rock
Associated Minerals at type locality:
WitticheniteTelluriumSphaleriteSilverPyrite
MiharaiteMatilditeHematiteGoldGalena
ElectrumChalcopyriteCervelleiteBorniteBetekhtinite
ArsenopyriteAikinite

Crystallography of Angelaite

Crystal System:Monoclinic
Cell Parameters:a = 4.0329Å, b = 12.734Å, c = 14.639Å
α = 90.103°
Ratio:a:b:c = 0.317 : 1 : 1.15
Unit Cell Volume:V 0.00 ų (Calculated from Unit Cell)
Z:4

Chemical Properties of Angelaite

Formula:
Cu
 
2
AgPbBiS
 
4
Essential elements:
All elements listed in formula:Ag, Bi, Cu, Pb, S
Analyical Data:Average of 23 microprobe analyses
Cu (15.93)
Ag (13.48)
Pb (27.53)
Bi (26.79)
S (16.39)
Empirical Formula:
Cu
 
1
·96 Ag
 
0
·98 Pb
 
1
·04 Bi
 
1
·01 S
 
4
·01

Relationship of Angelaite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.JB.05Diaphorite
Ag
 
3
Pb
 
2
Sb
 
3
S
 
8
2.JB.10Cosalite
Pb
 
2
Bi
 
2
S
 
5
2.JB.15Freieslebenite
AgPbSbS
 
3
2.JB.15Marrite
AgPbAsS
 
3
2.JB.20Cannizzarite
Pb
 
4
Bi
 
6
S
 
13
2.JB.20Wittite
Pb
 
9
Bi
 
12
(S,Se)
 
27
2.JB.25Junoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16
2.JB.25Nordströmite
CuPb
 
3
Bi
 
7
(Se
 
4
S
 
10
)
2.JB.25Proudite
CuPb
 
7.5
Bi
 
9.33
(S,Se)
 
22
2.JB.25Felbertalite
Cu
 
2
Pb
 
6
Bi
 
8
S
 
19
2.JB.30Geocronite
Pb
 
14
(Sb,As)
 
6
S
 
23
2.JB.30Jordanite
Pb
 
14
(As,Sb)
 
6
S
 
23
2.JB.30Kirkiite
Pb
 
10
Bi
 
3
As
 
3
S
 
19
2.JB.35Pillaite
Pb
 
9
Sb
 
10
S
 
23
ClO
 
0.5
2.JB.35Zinkenite
Pb
 
9
Sb
 
22
S
 
42
2.JB.35Scainiite
Pb
 
14
Sb
 
30
S
 
54
O
 
5
2.JB.35Pellouxite
(Cu,Ag)Pb
 
10
Sb
 
12
S
 
27
O(Cl,S)
 
0.6
2.JB.40Andorite
PbAgSb
 
3
S
 
6
2.JB.40Aschamalmite
Pb
 
6
Bi
 
2
S
 
9
2.JB.40Eskimoite
Ag
 
7
Pb
 
10
Bi
 
15
S
 
36
2.JB.40Fizélyite
Pb
 
14
Ag
 
5
Sb
 
21
S
 
48
 ?
2.JB.40Gustavite
Ag
 
3
Pb
 
5
Bi
 
11
S
 
24
2.JB.40Lillianite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40Ourayite
Ag
 
3
Pb
 
4
Bi
 
5
S
 
13
2.JB.40Ramdohrite
Ag
 
3
Pb
 
6
Sb
 
11
S
 
24
2.JB.40Roshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
2.JB.40Schirmerite
AgPb
 
2
Bi
 
3
S
 
7
2.JB.40Treasurite
Ag
 
7
Pb
 
6
Bi
 
15
S
 
32
2.JB.40Uchucchacuaite
AgMnPb
 
3
Sb
 
5
S
 
12
2.JB.40Vikingite
Ag
 
5
Pb
 
8
Bi
 
13
S
 
30
2.JB.40Xilingolite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40Heyrovskýite
Pb
 
10
AgBi
 
5
S
 
18
2.JB.40Andorite IV
Pb
 
18
Ag
 
15
Sb
 
47
S
 
96
2.JB.40Andorite VI
PbAgSb
 
3
S
 
6
2.JB.45Galenobismutite
PbBi
 
2
S
 
4
2.JB.45Weibullite
Pb
 
5
Bi
 
8
Se
 
7
S
 
11
2.JB.50Neyite
Pb
 
7
(Cu,Ag)
 
2
Bi
 
6
S
 
17
2.JB.55Gratonite
Pb
 
9
As
 
4
S
 
15
2.JB.60Marrucciite
Hg
 
3
Pb
 
16
Sb
 
18
S
 
46
2.JB.65Vurroite
Pb
 
20
Sn
 
2
(Bi,As)
 
22
S
 
54
Cl
 
6

Other Names for Angelaite

Synonyms:
IMA2003-064
German names:
Angelait

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 Angelaite

Reference List:Topa, D., Makovicky, E., Paar, W., Brodtkorb, M. (2004): The crystal structure of Angelaite, Cu2AgPbBiS4, a new mineral species from Angela mine, Province of Chubut, Argentina. 32nd IGC - Florence, 2004.

Brodtkorb, M.K. & W. Paar (2004): Angelaita en la paragenesis del distrito Los Manantiales, provincia del Chubut: Una nueva especie mineral: Revista de la Associacion Geologica Argentina, 59(4), 787-789.

Internet Links for Angelaite

Search Engines:
  • Look for Angelaite on Google
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    • External Links:
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  • Look for Angelaite on Athena Mineralogy
  • Look for Angelaite on Wikipedia
  • Look for Angelaite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Angelaite in the Natural History Museum (London) online catalogue
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  • Find Angelaite on www.crystalclassics.co.uk
  • Search for Angelaite at Thames Valley Minerals
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    Localities for Angelaite

    (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.
    Argentina
     
    • Chubut
      • Gastre
        • Los Manantiales District
    		Topa, D., Makovicky, E., Paar, W., Brodtkorb, M. (2004): The crystal structure of Angelaite, Cu2AgPbBiS4, a new mineral species from Angela mine, Province of Chubut, Argentina. 32nd IGC - Florence, 2004.
    Mineral and/or Locality
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