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Agardite-(Nd)

Year of discovery: 1980 (Red Cloud mine, USAMorocco), 2025 (Japan)

Locality list: A locality of agardite-(Nd)

• NdCu₆(AsO₄)₃(OH)₆,3H₂O
• (Nd,Ca)Cu₆(AsO₄,HAsO₄)₃(OH)₆,3H₂O
• [Nd³⁺][Cu²⁺₆][(OH)₆|(AsO₄)₃]^15-,3H₂O

• Class: Agardite series < Mixite group
• Class: Arsenate - Hydroxide - Hydrate

• Nd => Bi: Mixite
• Nd => Y: Agardite-(Y) (Series)
• Nd => La: Agardite-(La) (Series)
• Nd => Ce: Agardite-(Ce) (Series)
• Nd => Al: Goudeyite

• Nd => CaH: Zálesíite (Zalesiite)
• Nd => PbH: Plumboagardite

• AsO₄ => PO₄: Petersite-(La)

• Color: Yellow green, Dark green, Bluish green
• Streak: Pale green
• Luster: Vitreous, Silky
• Diaphaneity: Transparent

• Cleavage: No
• Hardness: 3 - 4

• System: Hexagonal
• Group: 6/m, P6₃/m
• Lattice: a=13.5, c=5.9