General Plumboagardite Information![]() (Pb,REE,Ca)Cu6(AsO4)3(OH)6•3(H2O) |
![]() Molecular Weight = 1,097.39 gm |
|
Calcium 1.02 % Ca 1.43 % CaO |
|
Lanthanum 1.65 % La 1.93 % La2O3 |
|
Cerium 0.77 % Ce 0.90 % Ce2O3 |
|
Praeseodymium 0.13 % Pr 0.15 % Pr2O3 |
|
Samarium 0.14 % Sm 0.16 % Sm2O3 |
|
Gadolinium 0.14 % Gd 0.17 % Gd2O3 |
|
Dysprosium 0.15 % Dy 0.17 % Dy2O3 |
|
Yttrium 0.73 % Y 0.93 % Y2O3 |
|
Iron 1.07 % Fe 1.53 % Fe2O3 |
|
Copper 32.37 % Cu 40.52 % CuO |
|
Silicon 0.69 % Si 1.48 % SiO2 |
|
Arsenic 19.39 % As 29.74 % As2O5 |
|
Phosphorus 0.14 % P 0.32 % P2O5 |
|
Hydrogen 1.16 % H 10.39 % H2O |
|
Lead 8.31 % Pb 8.95 % PbO |
|
Neodymium 1.05 % Nd 1.23 % Nd2O3 |
|
Oxygen 31.10 % O |
|
______ ______ |
|
100.00 % 99.99 % = TOTAL OXIDE |
![]() Pb0.44La0.13Nd0.08Ce0.06Pr0.01Sm0.01Gd0.01Dy0.01Y0.09Ca0.28Cu5.59Fe3+0.21As2.84Si0.27
P0.05O12(OH)6·3.33(H2O) |
![]() Formed in an oxidized zone, the product of alteration of primary Pb, Cu, REE, and As minerals such as chalcopyrite, fluorite, fahlore, and galena. Mixite group. |
![]() Approved IMA 2004 (Dana # Added) |
![]() Found in an abandoned mine, Aitern-Süd, near Schönau in the Southern Black Forest, Germany. Link to MinDat.org Location Data. |
![]() Named as Pb (plumbo) analogue of agardite. |
![]() IMA2003-031a |
| | Search for Plumboagardite Images
|
![]()
|
| | Plumboagardite Crystallography![]() a:c = 1:0.43137 |
![]() a = 13.77, c = 5.94, Z = 2; V = 975.41 Den(Calc)= 3.74 |
![]() Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 63/m |
![]() By Intensity(I/Io): 12.01(1), 3.6(0.8), 2.49(0.7),2.98(0.6), 4.51(0.6), 1.817(0.5), 2.61(0.5), 2.74(0.5), 3.31(0.5), |
| Physical Properties of Plumboagardite![]() None |
![]() Grass green. |
![]() Translucent |
![]() Aggregates - Made of numerous individual crystals or clusters. |
![]() Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
![]() Spherical - Spherical, rounded aggregates. |
![]() 3 - Calcite |
![]() Vitreous (Glassy) |
![]() greenish |
| Optical Properties of Plumboagardite![]() CI calc= -0.112 (Poor) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.2047,KC= 0.184 Ncalc = 1.69 ![]() Uniaxial (+), w=1.726, e=1.805, bire=0.0790. |
| Calculated Properties of Plumboagardite![]() Bulk Density (Electron Density)=3.49 gm/cc |
note: Specific Gravity of Plumboagardite =3.74 gm/cc. ![]() Fermion Index = 0.02 |
Boson Index = 0.98 ![]() PEPlumboagardite = 186.95 barns/electron |
U=PEPlumboagardite x relectron= 653.09 barns/cc. ![]() |
GRapi = 4,012.86 (Gamma Ray American Petroleum Institute Units)
Plumboagardite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Weight of pure Plumboagardite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.74 gm/cc.* | Plumboagardite Classification![]() 42.05.01.06 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
|
(42.05)where (A)2 (XO4) Zq · x(H2O) |
|
(42.05.01)Mixite group (Arsenate Series) |
|
|
|
|
|
|
|
|
|
|
![]() 08.DL.15 08 - PHOSPHATES, ARSENATES, VANADATES |
|
08.D - Phosphates, etc |
|
08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1 |
|
|
|
|
|
|
|
|
|
|
|
|
| Other Plumboagardite Information![]() NAME( AmMin, v91, p713) PHYS. PROP.(AmMin, v91, p713) OPTIC PROP.(AmMin, v91, p713) |
![]() Links to other databases for Plumboagardite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Plumboagardite using: Visit our Advertisers for Plumboagardite : A Bijoux Google Search for PlumboagarditeAdam's Minerals Google Search for Plumboagardite Cape Minerals Google Search for Plumboagardite Dakota Matrix Minerals Google Search for Plumboagardite Excalibur Mineral Corp. Google Search for Plumboagardite Exceptional Minerals Google Search for Plumboagardite John Betts Fine Minerals Search for Plumboagardite McDougall Minerals Google Search for Plumboagardite Mineral News Website Link Rock and Mineral Shows Google Search for Plumboagardite Weinrich Minerals, Inc. Google Search for Plumboagardite Ask about Plumboagardite here : Print or Cut-and-Paste your Plumboagardite Specimen Label here :
| |
|
| |