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Agardite-(Y)

• 
  Bob Montgomery Claim Group, Granite Gap, San Simon District, Hidalgo Co., New Mexico, USA
  © DM06

• Formula:
  (Y,Ca)Cu₆(AsO₄)₂(AsO₄,HAsO₄)(OH)₆ · 3H₂O

• System: Hexagonal

• Name:
  Named by Jacques E. Dietrich, Marcel Orliac, and François Permingeat in 1969 for Jules Agard (November 21, 1916 Grenoble, France - February, 2003), geologist with the Bureau de Recherches Géologiques et Minières, Orléans, France.

• IMA Status: Valid (Approved)
  Approved 1968

• Type Locality:
  Bou Skour Mine, Bou Skour District, Djebel Saghro (Jbel Saghro), Ouarzazate Province, Souss-Massa-Draâ Region, Morocco

• Dana 8th: 42.5.1.2
  
  42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
  5 : (AB)₇(XO₄)₃Z_q·xH₂O

• Hardness (Mohs): 3 - 4

• Density: 3.61 g/cm³ to 3.72 g/cm³ (measured)
  3.66 g/cm³ (calculated)

• Lustre: Sub-Vitreous,Resinous,Waxy

• Diapheny: Transparent,Translucent

• Diapheny: brittle

• Colour: bluish green to yellow green

• Streak: greenish white