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Agardite-(Ca) Mineral Data
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General Agardite-(Ca) Information
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Chemical Formula: |
CaCu6(AsO4)3(OH)6•3(H2O) |
Composition: |
Molecular Weight = 994.20 gm |
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Calcium 4.03 % Ca 5.64 % CaO |
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Copper 38.35 % Cu 48.01 % CuO |
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Arsenic 22.61 % As 34.68 % As2O5 |
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Hydrogen 1.22 % H 10.87 % H2O |
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Oxygen 33.79 % O |
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______ ______ |
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100.00 % 99.20 % = TOTAL OXIDE |
Empirical Formula: |
CaCu6(AsO4)3(OH)6•3(H2O) |
IMA Status: |
Not Approved IMA (Dana # Added) |
Locality: |
Link to MinDat.org Location Data. |
Name Origin: |
Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France. |
Name Pronunciation: |
Agardite-(Ca) |
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Agardite-(Ca) Image |
Images:
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Agardite-(Ca) Crystallography
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Crystal System: |
Hexagonal - Dipyramidal H-M Symbol (6/m) |
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Physical Properties of Agardite-(Ca)
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Color: |
Grass green, Light green. |
Density: |
3.72 |
Diaphaneity: |
Transparent |
Hardness: |
3-4 - Calcite-Fluorite |
Luster: |
Vitreous (Glassy) |
Streak: |
greenish white |
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Optical Properties of Agardite-(Ca)
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Optical Data: |
NCalc= 1.69 - from Gladstone-Dale relationship (KC = 0.1866) where Ncalc=Dmeas*KC+1 |
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Calculated Properties of Agardite-(Ca)
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Electron Density: |
Bulk Density (Electron Density)=3.54 gm/cc note: Specific Gravity of Agardite-(Ca) =3.72 gm/cc. |
Fermion Index: |
Fermion Index = 0.0002184603 Boson Index = 0.9997815397 |
Photoelectric: |
PEAgardite-(Ca) = 32.91 barns/electron U=PEAgardite-(Ca) x rElectron Density= 116.48 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Agardite-(Ca) is Not Radioactive |
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Agardite-(Ca) Classification
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Dana Class: |
42.05.01.02d (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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42.05.01.01 Mixite BiCu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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42.05.01.02 Agardite-(Y) (Y,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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42.05.01.02a Agardite-(La)! (La,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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42.05.01.02b Agardite-(Nd)! (Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m |
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42.05.01.02c Agardite-(Dy)! (Dy,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m |
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42.05.01.02d Agardite-(Ca)! CaCu6(AsO4)3(OH)6•3(H2O) 6/m |
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42.05.01.02e Agardite-(Ce)! (Ce,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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42.05.01.03 Goudeyite (Al,Y)Cu6(AsO4)3(OH)6•3(H2O) Unk Hex |
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42.05.01.04 Zalesiite! (Ca,Y)Cu6[(AsO4)2(AsO3OH)(OH)6]•3(H2O) P 63/m 6/m |
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42.05.01.06 Plumboagardite! (Pb,REE,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
Strunz Class: |
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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08.DL.15 Agardite-(Dy)! (Dy,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m |
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08.DL.15 Agardite-(Ca)! CaCu6(AsO4)3(OH)6•3(H2O) 6/m |
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08.DL.15 Agardite-(Ce)! (Ce,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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08.DL.15 Agardite-(La)! (La,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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08.DL.15 Agardite-(Nd)! (Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m |
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08.DL.15 Agardite-(Y) (Y,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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08.DL.15 Goudeyite (Al,Y)Cu6(AsO4)3(OH)6•3(H2O) Unk Hex |
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08.DL.15 Zalesiite! (Ca,Y)Cu6[(AsO4)2(AsO3OH)(OH)6]•3(H2O) P 63/m 6/m |
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08.DL.15 Mixite BiCu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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08.DL.15 Petersite-(Y) (Y,Ce,Nd,Ca)Cu6(PO4)3(OH)6•3(H2O) P 63/m 6/m |
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08.DL.15 Calciopetersite! CaCu6[(PO4)2(PO3OH)(OH)6]•3(H2O) P 63/m 6/m |
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08.DL.15 Plumboagardite! (Pb,REE,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 63/m 6/m |
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Other Agardite-(Ca) Information
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References: |
NAME( Dana8) |
See Also: |
Links to other databases for Agardite-(Ca) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Ecole des Mines de Paris
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
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Print or Cut-and-Paste your Agardite-(Ca) Specimen Label here :
Agardite-(Ca)
CaCu6(AsO4)3(OH)6•3(H2O)
Dana No: 42.05.01.02d Strunz No: 08.DL.15
Locality:
Notes:
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