page_title: Potassium tetrachloridocuprate(II)
section_title: Dihydrate
hierarchical_section_title: Potassium tetrachloridocuprate(II) / Dihydrate
caption_attribution_description: English: Synthetic mitscherlichite crystals (K,NH4)2CuCl4.2H2O grown from aqueous solution. Photo taken under microscope. The millimeter paper shows the size scale.
context_page_description: Potassium tetrachloridocuprate(II) is a salt with chemical formula K
  ₂CuCl
  ₄, also written as ₂·[CuCl
  ₄]²⁻.
  The compound is often found as the dihydrate K
  ₂CuCl
  ₄·2H
  ₂O, which is a brilliant greenish blue crystalline solid. This form also occurs naturally as the rare mineral mitscherlichite.
  The compound is also called potassium tetrachlorocuprate(II), dipotassium tetrachlorocuprate, potassium copper(II) tetrachloride, potassium cupric chloride and other similar names.
caption: Crystals of K
  2CuCl
  4·2H
  2O (on 1mm grid)
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