General Ramdohrite Information![]() Ag3Pb6Sb11S24 |
![]() Molecular Weight = 3,675.64 gm |
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Silver 8.80 % Ag |
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Antimony 36.44 % Sb |
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Lead 33.82 % Pb |
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Sulfur 20.94 % S |
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100.00 % |
![]() Ag3Pb6Sb11S24 |
![]() Found in fine-grained quartz in a vein of hydrothermal origin. |
![]() Valid Species (Pre-IMA) 1930 |
![]() Chocaya la vieja, in Potosi, Bolovia. Link to MinDat.org Location Data. |
![]() Named for Paul Ramdohr (1890-1985), German mineralogist. |
![]() Ramdohrite + Pronunciation |
![]() ![]() ICSD 31237 |
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PDF 42-1415 |
| | Search for Ramdohrite Images
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| | Ramdohrite Crystallography![]() a:b:c =1.4709:1:0.6674 |
![]() a = 19.24, b = 13.08, c = 8.73, Z = 2; beta = 90.28° V = 2,196.96 Den(Calc)= 5.56 |
![]() Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/n |
![]() By Intensity(I/Io): 3.33(1), 2.91(0.6), 3.45(0.4), |
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| Physical Properties of Ramdohrite![]() Bluish black gray. |
![]() 5.33 |
![]() Opaque |
![]() Brittle - Uneven - Very brittle fracture producing uneven fragments. |
![]() Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
![]() Tabular - Form dimensions are thin in one direction. |
![]() 2 - Gypsum |
![]() Metallic |
![]() gray black |
| Optical Properties of Ramdohrite![]() NCalc= 1.36 - from Gladstone-Dale relationship (KC = 0.0643) where Ncalc=Dcalc*KC+1 |
NCalc= 1.34 - from Gladstone-Dale relationship (KC = 0.0643) where Ncalc=Dmeas*KC+1 ![]() Moderate. |
![]() White. |
![]() Very weak. |
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| Calculated Properties of Ramdohrite![]() Bulk Density (Electron Density)=4.77 gm/cc |
note: Specific Gravity of Ramdohrite =5.56 gm/cc. ![]() Fermion Index = 0.07 |
Boson Index = 0.93 ![]() PERamdohrite = 754.12 barns/electron |
U=PERamdohrite x rElectron Density=3,600.13 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ramdohrite is Not Radioactive | Ramdohrite Classification![]() 03.04.15.06 (03)Sulfides - Sulfosalts |
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(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.04.15)Lillianite Group (Orthorhombic, AmBnS6 where A=Pb, Ag, Mn and B=Sb, Bi) |
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![]() 02.JB.40a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.J - Sulfosalts of PbS Archetype |
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02.JB -Galena derivatives, with Pb |
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| Other Ramdohrite Information![]() NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
![]() Links to other databases for Ramdohrite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info 14 - WWW-MINCRYST Search for Ramdohrite using: Visit our Advertisers for Ramdohrite : A Bijoux Google Search for RamdohriteAdam's Minerals Google Search for Ramdohrite Cape Minerals Google Search for Ramdohrite Dakota Matrix Minerals Google Search for Ramdohrite Excalibur Mineral Corp. Google Search for Ramdohrite Exceptional Minerals Google Search for Ramdohrite John Betts Fine Minerals Search for Ramdohrite McDougall Minerals Google Search for Ramdohrite Mineral News Website Link Rock and Mineral Shows Google Search for Ramdohrite Weinrich Minerals, Inc. Google Search for Ramdohrite Ask about Ramdohrite here : Print or Cut-and-Paste your Ramdohrite Specimen Label here :
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