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Ramdohrite

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Animas Mine, Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia
© Knut Eldjarn

Formula:
Ag
 
3
Pb
 
6
Sb
 
11
S
 
24
System:MonoclinicColour:Grey, bluish black
Hardness:2
Name:For mineralogist Paul Ramdohr (1890-1985), University of Heidelberg, Germany.
This page provides mineralogical data about Ramdohrite.

Classification of Ramdohrite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/E.23-30
Nickel-Strunz 10th (pending) edition ID:2.JB.40a

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:3.4.15.6

3 : SULFOSALTS
4 : ø = 3
Hey's CIM Ref.:5.7.23

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 Ramdohrite

Type Locality:Chocaya mine, Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia
Year of Discovery:1930

Physical Properties of Ramdohrite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Grey, bluish black
Streak:Black, grey
Hardness (Mohs):2
Tenacity:Brittle
Fracture:Irregular/Uneven
Density (measured):5.43 g/cm3

Crystallography of Ramdohrite

Crystal System:Monoclinic
Cell Parameters:a = 13.09Å, b = 19.24Å, c = 8.73Å
β = 90.3°
Ratio:a:b:c = 0.68 : 1 : 0.454
Unit Cell Volume:V 2,198.63 ų (Calculated from Unit Cell)
Morphology:Long prismatic or thick, lance-shaped, crystals.
Twinning:Lamellar.

Optical Data of Ramdohrite

Type:Anisotropic
Anisotropism:Moderate
Colour in reflected light:White
Pleochroism:Weak
Comments:Very weak.

Chemical Properties of Ramdohrite

Formula:
Ag
 
3
Pb
 
6
Sb
 
11
S
 
24
Essential elements:Ag, Pb, S, Sb
All elements listed in formula:Ag, Pb, S, Sb
Common Impurities:Fe,Cd,In

Relationship of Ramdohrite to other Species

Related to:
  • Ramdohrite-Lillianite Group
    • 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.25aJunoite
    Cu
     
    2
    		Pb
     
    3
    		Bi
     
    8
    		(S,Se)
     
    16
    2.JB.25cNordströmite
    CuPb
     
    3
    		Bi
     
    7
    		(Se
     
    4
    		S
     
    10
    		)
    2.JB.25gNuffieldite
    Pb
     
    2
    		Cu(Pb,Bi)Bi
     
    2
    		S
     
    7
    2.JB.25dProudite
    CuPb
     
    7.5
    		Bi
     
    9.33
    		(S,Se)
     
    22
    2.JB.25hWeibullite
    Pb
     
    5
    		Bi
     
    8
    		Se
     
    7
    		S
     
    11
    2.JB.25bFelbertalite
    Cu
     
    2
    		Pb
     
    6
    		Bi
     
    8
    		S
     
    19
    2.JB.25jRouxelite
    Cu
     
    2
    		HgPb
     
    23
    		Sb
     
    27
    		S
     
    65.5
    2.JB.25fAngelaite
    Cu
     
    2
    		AgPbBiS
     
    4
    2.JB.30aGeocronite
    Pb
     
    14
    		(Sb,As)
     
    6
    		S
     
    23
    2.JB.30aJordanite
    Pb
     
    14
    		(As,Sb)
     
    6
    		S
     
    23
    2.JB.30bKirkiite
    Pb
     
    10
    		Bi
     
    3
    		As
     
    3
    		S
     
    19
    2.JB.30cTsugaruite
    Pb
     
    4
    		As
     
    2
    		S
     
    7
    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.40aBursaite
    Pb
     
    5
    		Bi
     
    4
    		S
     
    11
    2.JB.40Eskimoite
    Ag
     
    7
    		Pb
     
    10
    		Bi
     
    15
    		S
     
    36
    2.JB.40aFizélyite
    Pb
     
    14
    		Ag
     
    5
    		Sb
     
    21
    		S
     
    48
    		 ?
    2.JB.40aGustavite
    Ag
     
    3
    		Pb
     
    5
    		Bi
     
    11
    		S
     
    24
    2.JB.40aLillianite
    Pb
     
    3
    		Bi
     
    2
    		S
     
    6
    2.JB.40Ourayite
    Ag
     
    3
    		Pb
     
    4
    		Bi
     
    5
    		S
     
    13
    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.40aAndorite IV
    Pb
     
    18
    		Ag
     
    15
    		Sb
     
    47
    		S
     
    96
    2.JB.40aAndorite VI
    PbAgSb
     
    3
    		S
     
    6
    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
    5.7.24Roshchinite
    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
    5.7.34Schirmerite
    AgPb
     
    2
    		Bi
     
    3
    		S
     
    7
    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 Ramdohrite

    German names:
    Ramdohrit
    Russian names:
    Рамдорит
    Spanish names:
    Ramdohrita
    Varieties:
    Bismuthian Ramdohrite

    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 Ramdohrite

    Reference List:Ahlfeld (1930), Centralblatt für Mineralogie: 365.

    American Mineralogist (1931): 16: 132.

    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: 450-451.

    American Mineralogist (1954): 39: 161-171.

    American Mineralogist (1984): 69: 412.

    American Mineralogist (1985): 70: 219-220.

    American Mineralogist (1991): 76: 2020.

    Neues Jahrbuch für Mineralogie, Abhandlungen: 147: 58-79.

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    Localities for Ramdohrite

    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.
    Argentina
     
    • Jujuy
      • Rinconada Department
    		Brodtkorb, "Las Especies Minerales de la Republica Argentina" (2002)
    Bolivia
     
    • Potosí Department
      • Sud Chichas Province
        • Atocha-Quechisla District
    		Knut Eldjarn collection
    [MinRec 32:461]
    collections of Alfredo Petrov & Jaroslav Hyrsl.
    Federico Ahlfeld y Alejandro Schneider-Scherbina (1964) Los Yacimientos Minerales y de Hidrocarburos de Bolivia. (Ministerio de Minas y Petroleo, La Paz)
    [MinRec 32:480
    China
     
    • Guangxi Zhuang Autonomous Region
      • Nanning Prefecture
        • Wuming Co.
    		Anthony, J.W. et al.: Handbook of Mineralogy
    • Jiangxi Province
      • Shangrao Prefecture
        • Wannian Co.
    		Dong Zhensheng et al. (1996). In: Tu Guangzhi, Ed.: Low Temperature Geochemistry, Science Press (Beijing), 32-42.
    Finland
     
    • Länsi-Suomen Lääni
      • Kisko
    		No reference listed
    France
     
    • Alsace
      • Bas-Rhin
        • Villé Valley
    • Auvergne
      • Haute-Loire
        • Langeac
          • Langeac
    		Y. Moëlo, E. Makovicky and S. Karup-Moller : "Sulfures complexes plombo-argentifères : minéralogie et cristallochimie de la série andorite-fizelyite", Documents du BRGM N° 167, 1989.
    • Pays de Loire
      • Vendée
        • Les Herbiers
    		Y. Moëlo, E. Makovicky and S. Karup-Moller : "Sulfures complexes plombo-argentifères : minéralogie et cristallochimie de la série andorite-fizelyite", Documents du BRGM N° 167, 1989.
    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.
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
        • Chyžné
    		Bálintová T., Števko M., Ozdín D., 2006: Sulphosalts of lillianite homologous series from Chyžné occurrence (Slovakia). Miner. Polonica-Special Papers, vol. 28. p.19- 21
    • Prešov Region
      • Northern Slanské Mts
    		Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    USA
     
    • Washington
      • King Co.
        • North Bend
    		www.cannonmicroprobe.com/Mineral_Specimens.htm
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. 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. If you would like to add information to improve the quality of our database, then click here to register.