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Schirmerite

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Geneva District, Park Co., Colorado, USA
© 2008, J. Weissman

Formula:
AgPb
 
2
Bi
 
3
S
 
7
System:OrthorhombicColour:Lead- to iron-gray
Hardness:2
Name:Named after JHL Schirmer, Superintendent of the US Mint at Denver, Colorado.


Ramdohrite-Lillianite Group

Classification of Schirmerite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/E.31-70
Nickel-Strunz 10th (pending) edition ID:2.JB.40

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:3.5.5.1

3 : SULFOSALTS
5 : 2.5 < ø < 3
Hey's CIM Ref.:5.7.34

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals
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Type Occurrence of Schirmerite

Type Locality:Treasury Vault Mine, Geneva District, Park Co., Colorado, USA
Year of Discovery:1874

Physical Properties of Schirmerite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Lead- to iron-gray
Hardness (Mohs):2
Tenacity:Brittle

Crystallography of Schirmerite

Crystal System:Orthorhombic
Cell Parameters:a = 13.44Å, b = 44.38Å, c = 4.02Å
Ratio:a:b:c = 0.303 : 1 : 0.091
Unit Cell Volume:V 2,397.80 ų (Calculated from Unit Cell)

Optical Data of Schirmerite

Type:Anisotropic
Anisotropism:Weak
Colour in reflected light:White

Chemical Properties of Schirmerite

Formula:
AgPb
 
2
Bi
 
3
S
 
7
Essential elements:Ag, Bi, Pb, S
All elements listed in formula:Ag, Bi, Pb, S
Common Impurities:Cu

Relationship of Schirmerite 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.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.45Angelaite
Cu
 
2
AgPbBiS
 
4
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
Related Minerals - Hey's Index Grouping:
5.7.1Seligmannite
PbCuAsS
 
3
5.7.2Bournonite
PbCuSbS
 
3
5.7.3Meneghinite
Pb
 
13
CuSb
 
7
S
 
24
5.7.4Gladite
PbCuBi
 
5
S
 
9
5.7.5Lindströmite
Pb
 
3
Cu
 
3
Bi
 
7
S
 
15
5.7.6Krupkaite
PbCuBi
 
3
S
 
6
5.7.7Hammarite
Pb
 
2
Cu
 
2
Bi
 
4
S
 
9
5.7.8Friedrichite
Pb
 
5
Cu
 
5
Bi
 
7
S
 
18
5.7.9Aikinite
PbCuBiS
 
3
5.7.10Nuffieldite
Pb
 
2
Cu(Pb,Bi)Bi
 
2
S
 
7
5.7.11Jaskólskiite
Pb
 
2+x
Cu
 
x
(Sb,Bi)
 
2-x
S
 
6
 x = 0.2
5.7.12Tintinaite
Pb
 
22
Cu
 
4
(Sb,Bi)
 
30
S
 
69
5.7.13Kobellite
Pb
 
22
Cu
 
4
(Bi,Sb)
 
30
S
 
69
5.7.14Proudite
CuPb
 
7.5
Bi
 
9.33
(S,Se)
 
22
5.7.15Nordströmite
CuPb
 
3
Bi
 
7
(Se
 
4
S
 
10
)
5.7.16Watkinsonite
Cu
 
2
PbBi
 
4
(Se,S,Te)
 
8
5.7.17Pekoite
PbCuBi
 
11
(S,Se)
 
18
5.7.18Petrovicite
Cu
 
3
HgPbBiSe
 
5
5.7.19Eclarite
(Cu,Fe)Pb
 
9
Bi
 
12
S
 
28
5.7.20Marrite
AgPbAsS
 
3
5.7.21Baumhauerite-2a
Pb
 
11
Ag(As,Sb)
 
18
S
 
36
5.7.22Andorite
PbAgSb
 
3
S
 
6
5.7.23Ramdohrite
Ag
 
3
Pb
 
6
Sb
 
11
S
 
24
5.7.24Roshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
5.7.25Ourayite
Ag
 
3
Pb
 
4
Bi
 
5
S
 
13
5.7.26Eskimoite
Ag
 
7
Pb
 
10
Bi
 
15
S
 
36
5.7.27Fizélyite
Pb
 
14
Ag
 
5
Sb
 
21
S
 
48
 ?
5.7.28Owyheeite
Ag
 
2
Pb
 
5
Sb
 
6
S
 
15
5.7.29Freieslebenite
AgPbSbS
 
3
5.7.30Diaphorite
Ag
 
3
Pb
 
2
Sb
 
3
S
 
8
5.7.31Sterryite
Ag
 
2
Pb
 
10
(Sb,As)
 
12
S
 
29
5.7.32Vikingite
Ag
 
5
Pb
 
8
Bi
 
13
S
 
30
5.7.33Zoubekite
AgPb
 
4
Sb
 
4
S
 
10
5.7.36Gustavite
Ag
 
3
Pb
 
5
Bi
 
11
S
 
24
5.7.37Kitaibelite
Ag
 
10
PbBi
 
30
S
 
51
5.7.38Treasurite
Ag
 
7
Pb
 
6
Bi
 
15
S
 
32
5.7.39Benjaminite
(Ag,Cu)
 
3
(Bi,Pb)
 
7
S
 
12
5.7.40Lengenbachite
(Ag,Cu)
 
2
Pb
 
6
As
 
4
S
 
13
5.7.41Berryite
Pb
 
3
(Ag,Cu)
 
5
Bi
 
7
S
 
16
5.7.42Neyite
Pb
 
7
(Cu,Ag)
 
2
Bi
 
6
S
 
17
5.7.43Larosite
(Cu,Ag)
 
21
(Pb,Bi)
 
2
S
 
13
5.7.44Cupropavonite
AgCu
 
2
PbBi
 
5
S
 
10
5.7.45Padĕraite
Cu
 
5.9
Ag
 
1.3
Pb
 
1.6
Bi
 
11.2
S
 
22
5.7.46Rayite
Pb
 
8
(Ag,Tl)
 
2
Sb
 
8
S
 
21
5.7.47Rathite
(Pb,Tl)
 
3
As
 
5
S
 
10
5.7.48Hatchite
(PbTl)
 
2
AgAs
 
2
S
 
3

Other Names for Schirmerite

Synonyms:
Schirmerite (of Genth)
German names:
Schirmerit
Spanish names:
Schirmerita

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 Schirmerite

Reference List:Endlich (1874), Engineering and Mining Journal, Aug. 29.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 424.

Karup-Møller, S. (1973): New data on schirmerite. Can. Mineral., 11, 952-957.

American Mineralogist (1974): 59: 384.

Makovicky, E. and Karup-Møller, S. (1977) Chemistry and crystallography of the lillianite homologous series. II. Definition of new minerals eskimoite, vikingite, ourayite and treasurite. Redefinition of schirmerite and new data on the lillianite-gustavite solid-solution series. Neues Jahrbuch für Mineralogie, Abhandlungen: 131: 56-82.

American Mineralogist (1979): 64: 243-244.

Internet Links for Schirmerite

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  • Look for Schirmerite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Schirmerite in the Natural History Museum (London) online catalogue
  • Schirmerite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
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  • The Arkenstone - Fine Minerals
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  • Wright's Rock Shop - excellent mineral specimens since 1970
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    Localities for Schirmerite

    Hide Locality List
    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.
    Bulgaria
     
    • Pazardzhik (Pazardjik) Oblast
      • Srednogorie (Sredna Gora; Srdnia Gora) Region
        • Panagyurishte (Panagurishte) Obshchina
          • Chelopech
    		American Mineralogist (1966): 51: 29-36
    Canada
     
    • Northwest Territories
      • Mackenzie District
        • Great Bear Lake
    		[MinRec 1989]
    China
     
    • Guangxi Zhuang Autonomous Region
      • Hezhou Prefecture
        • Zhongshan Co.
    		Anthony, J.W. et al.: Handbook of Mineralogy
    • Hunan Province
      • Chenzhou Prefecture
        • Guiyang Co.
    		Anthony, J.W. et al.: Handbook of Mineralogy
    • Jiangsu Province
      • Nanjing Prefecture
        • Jiangning District
          • Ningzhen Mining District
    		Xiangping, G., Watanabe, M., Ohkawa, M., Hoshino, K., Shibata, Y., and Desong, C. (2001): Canadian Mineralogist 39(6), 1641-1652.
    • Jiangxi Province
      • Ganzhou Prefecture
        • Anyuan Co.
    		AmMin 85:629
    Romania
     
    • Maramures Co.
      • Baia Borsa
    		Mitt. .Österr. Miner. Ges. 143 (1998)
      • Baiut
    		Mitt. .Österr. Miner. Ges. 143 (1998)
    Slovakia
     
    • Banská Bystrica Region
      • Southern Low Tatra Mts
    		Pršek J.,2004: Štruktúra a kryštálochémia sulfosolí zo sulfidických mineralizácii Západnych Karpát (Kandid. Diz.práca).Archív Katedry miner. a petrografie Prírodoved. Fak. UK,Bratislava, 135 s.
      • Štiavnica Mts
        • Banská Štiavnica Mining District
    South Korea
     
    Dongbok Shin et al. , The Canadian Mineralogist, Volume 42, Number 5, October 2004, pp. 1465-1481
    Tajikistan
     
    • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
      • Adrasman
        • Karamazar Mts
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    UK
     
    • Scotland
      • Central Region (Perthshire)
        • Meal nan Oighreag
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Ukraine
     
    • Transcarpathian Oblast'
    USA
     
    • California
      • Inyo Co.
    		MinRec 15:5
    • Colorado
      • Hinsdale Co.
        • Lake City District (Lake District)
          • Lake City
    		Minerals of Colorado (1997) Eckels, E. B.
      • Park Co.
        • Geneva District
    		Minerals of Colorado (1997) E.B. Eckels
      • San Juan Co.
        • Silverton District
          • Poughkeepsie Gulch
    		Dana 7:I:393.
      • San Miguel Co.
        • Ophir District
    		Minerals of Colorado (1997) Eckels, E. B.
      • Summit Co.
        • Montezuma Area
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    Mineral and/or Locality
    Google
     
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