• Pocket Mindat

• Return to Index: B
• Return to Main Index

Berzelianite

• 
  Bukov Mine, Rožná deposit, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic
  © Zbynek Burival

• Formula:
  Cu₂Se

• System: Isometric

• Name:
  For Swedish chemist, Jons Jacob Berzelius (1779-1848).

• IMA Status: Valid (Grandfathered)

• Type Locality:
  Skrikerum Mine, Valdemarsvik, Östergötland, Sweden

• Dana 8th: 2.4.10.1
  
  2 : SULFIDES
  4 : A_mB_nX_p, with (m+n):p = 2:1

• Hardness (Mohs): 2

• Density: 6.71 g/cm³ (measured)
  7.28 g/cm³ (calculated)

• Lustre: Metallic

• Diapheny: Opaque

• Diapheny: malleable

• Colour: Silver-White, shiny lead-grey; easily tarnishes iridescent blue-grey

• Streak: Shining