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Category Metals and intermetallic alloys
(repeating unit)
silver amalgam, Ag2Hg3
Strunz classification 1.AD.15d
Crystal system Isometric
Crystal class Tetartoidal (23)
(same H-M symbol)
Space group I23
Unit cell a = 10.04 Å, Z = 10
Color white, tarnishes grey
Cleavage brittle
Mohs scale hardness 3.5
Luster metallic
Specific gravity 13.48
References [1][2][3][4]

Moschellandsbergite is a rare isometric mineral made up of a silver-white amalgam of mercury and silver with the chemical makeup Ag2Hg3.

It was first described in 1938 and named after Moschellandsberg Mountain near Obermoschel, Rhineland-Palatinate, Germany.[3][5] It is considered a low-temperature hydrothermal mineral which occurs with metacinnabar, cinnabar, mercurian silver, tetrahedritetennantite, pyrite, sphalerite and chalcopyrite.[2]


  1. ^ Mineralienatlas
  2. ^ a b Mineral Handbook
  3. ^ a b Mindat
  4. ^ Webmineral
  5. ^ American Geological Institute (1997). Dictionary of Mining, Mineral, and Related Terms. Alexandria, Virginia: Birkhäuser. p. 356. ISBN 0-922152-36-5.