Agardite-(Dy)
A material that is NOT an approved mineral species
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Formula:
(Dy,La)Cu6(AsO4)3(OH)6 路 3H2O
Colour:
Grass green
Lustre:
Vitreous
Hardness:
3 - 4
Crystal System:
Hexagonal
Incompletely characterised and highly questionable member of the Mixite Group.
A misinterpretation of chemical-analytical data seems highly probable - misidentified P-bearing agardite-(Y)?!
See also the highly questionable churchite-(Dy).
A misinterpretation of chemical-analytical data seems highly probable - misidentified P-bearing agardite-(Y)?!
See also the highly questionable churchite-(Dy).
Unique Identifiers
IMA Classification of Agardite-(Dy)
IMA status notes:
Published without approval
Classification of Agardite-(Dy)
8.DL.15
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
Physical Properties of Agardite-(Dy)
Chemistry of Agardite-(Dy)
Mindat Formula:
(Dy,La)Cu6(AsO4)3(OH)6 路 3H2O
Crystallography of Agardite-(Dy)
Crystal System:
Hexagonal
Other Language Names for Agardite-(Dy)
Related Minerals - Strunz-mindat Grouping
| 8.DL.05 | Foggite | CaAl(PO4)(OH)2 路 H2O |
| 8.DL.10 | Cyrilovite | NaFe3+3(PO4)2(OH)4 路 2H2O |
| 8.DL.10 | Millisite | (Na,K)CaAl6(PO4)4(OH)9 路 3H2O |
| 8.DL.10 | Wardite | NaAl3(PO4)2(OH)4 路 2H2O |
| 8.DL.10 | Fluorowardite | NaAl3(PO4)2F2(OH)2(H2O)2 |
| 8.DL.15 | Agardite-(Nd) | NdCu6(AsO4)3(OH)6 路 3H2O |
| 8.DL.15 | Agardite-(Y) | YCu6(AsO4)3(OH)6 路 3H2O |
| 8.DL.15 | Agardite-(Ce) | CeCu6(AsO4)3(OH)6 路 3H2O |
| 8.DL.15 | Agardite-(La) | LaCu6(AsO4)3(OH)6 路 3H2O |
| 8.DL.15 | Goudeyite | AlCu6(AsO4)3(OH)6 路 3H2O |
| 8.DL.15 | Mixite | BiCu6(AsO4)3(OH)6 路 3H2O |
| 8.DL.15 | Petersite-(Y) | (Y,Ce,Nd)Cu6(PO4)3(OH)6 路 3H2O |
| 8.DL.15 | Z谩les铆ite | CaCu6(AsO4)2(AsO3OH)(OH)6 路 3H2O |
| 8.DL.15 | Plumboagardite | (Pb,REE,Ca)Cu6(AsO4)3(OH)6 路 3H2O |
| 8.DL.15 | Calciopetersite | CaCu6(PO4)2(PO3OH)(OH)6 路 3H2O |
| 8.DL.15 | Petersite-(Ce) | Cu6Ce(PO4)3(OH)6 路 3H2O |
| 8.DL.15 | Petersite-(La) | Cu6La(PO4)3(OH)6 路 3H2O |
| 8.DL.20 | Cheremnykhite | Pb3Zn3(VO4)2(TeO6) |
| 8.DL.20 | Dugganite | Pb3Zn3(AsO4)2(TeO6) |
| 8.DL.20 | Kuksite | Pb3Zn3(PO4)2(TeO6) |
| 8.DL.20 | Wallkilldellite | Ca2Mn2+3(AsO4)2(OH)4 路 9H2O |
| 8.DL.20 | Wallkilldellite-(Fe) | (Ca,Cu)4Fe2+6(AsO4,SiO4)4(OH,O)8 路 18H2O |
| 8.DL.25 | Angastonite | CaMgAl2(PO4)2(OH)4 路 7H2O |
| 8.DL.30 | L氓ngbanshyttanite | Pb2Mn2Mg(AsO4)2(OH)4 路 6H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Agardite-(Dy)
mindat.org URL:
https://www.mindat.org/min-49.html
Please feel free to link to this page.
Please feel free to link to this page.
