[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery] John Betts - Fine Minerals Classic minerals, out-of-print books & magazines, plus informative articles for collectors General Agardite-(Nd) Information(Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) |
Molecular Weight = 1,063.17 gm |
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Calcium 0.38 % Ca 0.53 % CaO |
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Lanthanum 1.31 % La 1.53 % La2O3 |
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Yttrium 0.84 % Y 1.06 % Y2O3 |
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Copper 34.07 % Cu 42.65 % CuO |
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Arsenic 21.14 % As 32.43 % As2O5 |
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Hydrogen 1.36 % H 12.12 % H2O |
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Lead 5.85 % Pb 6.30 % PbO |
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Neodymium 2.71 % Nd 3.16 % Nd2O3 |
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Oxygen 32.35 % O |
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______ ______ |
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100.00 % 99.77 % = TOTAL OXIDE |
Pb0.3Nd0.2Y0.1La0.1Ca0.1Cu5.7(AsO4)3(OH)4.7·4.8(H2O) |
Not Approved IMA (Dana # Added) |
Wittichen, Black Forest, Baden-Württemberg, Germany. Link to MinDat.org Location Data. |
Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France. |
Agardite-(Nd) |
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Agardite-(Nd) Crystallography Hexagonal - DipyramidalH-M Symbol (6/m) |
| Physical Properties of Agardite-(Nd)Grass green, Sky blue. |
3.72 |
Transparent |
Aggregates - Made of numerous individual crystals or clusters. |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
3-4 - Calcite-Fluorite |
Vitreous (Glassy) |
greenish white |
| Optical Properties of Agardite-(Nd) NCalc= 1.68 - from Gladstone-Dale relationship (KC = 0.1841) where Ncalc=Dmeas*KC+1 |
| Calculated Properties of Agardite-(Nd)Bulk Density (Electron Density)=3.49 gm/cc |
note: Specific Gravity of Agardite-(Nd) =3.72 gm/cc. Fermion Index = 0.01 |
Boson Index = 0.99 PEAgardite-(Nd) = 147.80 barns/electron |
U=PEAgardite-(Nd) x relectron= 515.92 barns/cc. |
GRapi = 4,023.43 (Gamma Ray American Petroleum Institute Units)
Agardite-(Nd) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Weight of pure Agardite-(Nd) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.72 gm/cc.* | Agardite-(Nd) Classification42.05.01.02b (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.05)where (A)2 (XO4) Zq · x(H2O) |
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(42.05.01)Mixite group (Arsenate Series) |
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08.DL.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1 |
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| Other Agardite-(Nd) InformationNAME( Dana8) PHYS. PROP.(AmMin, Vol 88, p 475) |
Links to other databases for Agardite-(Nd) : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - MinDAT 8 - MinMax(Deutsch) 9 - MinMax(English) 10 - Mineralienatlas (Deutsch) 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Agardite-(Nd) using: Visit our Advertisers for Agardite-(Nd) : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Agardite-(Nd) Mineral Data : Ask about Agardite-(Nd) here : Print or Cut-and-Paste your Agardite-(Nd) Specimen Label here :
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