armenite

After the Armen mine, Kongsberg, Norway, +‎ -ite

armenite (plural armenites)

1. (mineralogy) An orthorhombic-pyramidal mineral containing aluminum, barium, calcium, hydrogen, oxygen, and silicon.
   • 1939 June 17, Henrich Neumann, “Armenite, a new mineral”, in Norsk Geologisk Tidsskrift, volume 19, page 312:

     Pure armenite is colorless and has well developed prismatic pseudohexagonal crystals with poorly developed terminal faces.

   • 2003, Hetherington, Callum J., et al., “Formation of armenite in the Berisal Complex, Simplon Region, Switzerland.”, in Swiss Bulletin of Mineralogy and Petrology, volume 83, number 3, page 243:

     All reported armenites are of nearly end-member composition.

   • 2012, Robin K. Harris, NMR Crystallography‎:

     Although armenite contains 10 inequivalent Si-positions, only the topochemically distinct Si sites are resolved in the NMR spectrum.

• David Barthelmy (1997–2023), “Armenite”, in Webmineral Mineralogy Database.
• “armenite”, in Mindat.org‎, Hudson Institute of Mineralogy, 2000–2023.

• Tremaine, ametrine, antimere