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Billingsleyite

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North Lily Mine (International Smelting Company; Wicklow), East Tintic District, East Tintic Mts, Utah Co., Utah, USA
© 2007, J. Weissman

Formula:
Ag
 
7
AsS
 
6
System:OrthorhombicHardness:2½
This page provides mineralogical data about Billingsleyite.

Classification of Billingsleyite

IMA status:Approved
Strunz 8th edition ID:2/E.05-10
Nickel-Strunz 10th (pending) edition ID:2.KB.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
K : Sulfarsenates, Sulfantimonates
B : Sulfarsenates with additional S
Dana 8th edition ID:3.1.6.1

3 : SULFOSALTS
1 : ø > 4
Hey's CIM Ref.:5.2.13

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
2 : Sulpharsenites etc. of Ag
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Type Occurrence of Billingsleyite

Type Locality:North Lily Mine (International Smelting Company; Wicklow), East Tintic District, East Tintic Mts, Utah Co., Utah, USA
Year of Discovery:1968

Physical Properties of Billingsleyite

Hardness (Mohs):2½

Crystallography of Billingsleyite

Crystal System:Orthorhombic
Cell Parameters:a = 14.82Å, b = 14.82Å, c = 10.48Å
Ratio:a:b:c = 1 : 1 : 0.707
Unit Cell Volume:V 2,301.75 ų (Calculated from Unit Cell)

Chemical Properties of Billingsleyite

Formula:
Ag
 
7
AsS
 
6
Essential elements:Ag, As, S
All elements listed in formula:Ag, As, S
Common Impurities:Cu,Fe

Relationship of Billingsleyite to other Species

Related Minerals - Hey's Index Grouping:
5.2.1Smithite
AgAsS
 
2
5.2.2Trechmannite
AgAsS
 
2
5.2.3Proustite
Ag
 
3
AsS
 
3
5.2.4Xanthoconite
Ag
 
3
AsS
 
3
5.2.5Pearceite
(Ag,Cu)
 
16
(As,Sb)
 
2
S
 
11
5.2.6Pearceite-T2ac
(Ag,Cu)
 
16
(As,Sb)
 
2
S
 
11
5.2.7Argentotennantite
(Ag,Cu)
 
10
(Zn,Fe)
 
2
(As,Sb)
 
4
S
 
13
5.2.8Miargyrite
AgSbS
 
2
5.2.9Pyrargyrite
Ag
 
3
SbS
 
3
5.2.10Pyrostilpnite
Ag
 
3
SbS
 
3
5.2.11Stephanite
Ag
 
5
SbS
 
4
5.2.12Polybasite
(Ag,Cu)
 
16
(Sb,As)
 
2
S
 
11
5.2.14Polybasite-Tac
(Ag,Cu)
 
16
(Sb,As)
 
2
S
 
11
5.2.15Freibergite
(Ag,Cu,Fe)
 
12
(Sb,As)
 
4
S
 
13
5.2.16Aramayoite
Ag(Sb,Bi)S
 
2
5.2.17Matildite
AgBiS
 
2
5.2.18Schapbachite
AgBiS
 
2
5.2.19Pavonite
(Ag,Cu)(Bi,Pb)
 
3
S
 
5
5.2.20Arcubisite
Ag
 
6
CuBiS
 
4
5.2.21Bohdanowiczite
AgBiSe
 
2
5.2.22Selenostephanite
Ag
 
5
Sb(Se,S)
 
4
5.2.23Benleonardite
Ag
 
8
(Sb,As)Te
 
2
S
 
3
5.2.24Volynskite
AgBiTe
 
2

Other Names for Billingsleyite

Synonyms:
IMA1967-012
German names:
Billingsleyit
Russian names:
Биллингслеит
Spanish names:
Billingsleyita

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 Billingsleyite

Reference List:American Mineralogist: 53: 1791-1798.

Anzeiger Österreichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse: 129(2): 9-11.

Internet Links for Billingsleyite

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    Localities for Billingsleyite

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    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.
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    (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.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Blaß, G. & Graf, H. W. (2000): Neufunde von bekannten Fundorten im Schwarzwald. Mineralien-Welt, 11 (4), 57-60. (in German); BLAß, G. & GRAF, H. W. (2001): Billingsleyit – die Grube Clara, weltweit der zweite Fundpunkt. Erzgräber, 15, 4-6.
    Mexico
     
    • Mexico
      • Mun. de Temascaltepec
        • Temascaltepec de González (Temascaltepec)
    		Camprubi, A., Canals, A., Cardellach, E., Prol-Ledesma, R.M., Rivera, R., 2001, The La Guitarra Ag-Au low-sulfidation epithermal deposit, Temascaltepec district, Mexico: vein structure, mineralogy, and sulfide-sulfosalt chemistry. Society of Economic Geologists Special Publication, v. 8, p. 133-158.
    USA
     
    • Utah
      • Utah Co.
        • East Tintic Mts
          • East Tintic District
    		AM 53 (1968), 1791; HB1 (1990); Am Min 53:1791-1798
    Mineral and/or Locality
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