Kongsbergite

Where it forms, where it's found

Type locality: Kongsberg silver mining district
Buskerud
Norway

26recorded occurrences

Source · OpenStreetMap

Safety & handling

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
80HgMercury Mercury 1 200.592 200.592
65.03%
47AgSilver Silver 1 107.868 107.868
34.97%
Total 308.460 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From Mindat formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
80HgMercury	Mercury	1	200.592	200.592	65.03%
47AgSilver	Silver	1	107.868	107.868	34.97%
	Total	308.460	100.00%

Synonyms

Kongsbergit
Kongsbergita
Konsbergit
Konsbergita
Konsbergite

Literature, links & citation

Citations

1872Pisani, M. F. (1872) Sur un nouvel amalgame d’argent de Konsberg, en Norwége [On a new silver amalgam from Kongsberg, Norway]. Comptes rendus hebdomadaires des séances de l’Académie des sciences, 75. 1274-1275
1996Baren, M. R. (1996) The Ag-Hg (Silver-Mercury) system. Journal of Phase Equilibria, 17 (2) 122-128 doi:10.1007/bf02665787DOI: 10.1007/bf02665787

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Kongsbergite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/kongsbergite-2250},
  note      = {Accessed 2026-05-11}
}