Hydrated sulphate containing hydroxyl and halogen
Specific gravity: 3.14
Hardness: 2 or 3 depending on face
Streak: Pale green
Colour: Dark green, bluish green, emerald green
Solubility: Insoluble in water. Readily soluble in acids.
Spangolite is a rare secondary mineral commonly occurring with other secondary
copper minerals in
oxidised zones of copper-bearing ore bodies, associated with
aurichalcite, tenorite and
At Broken Hill, New South Wales, Australia, a specimen of spangolite has been found as a coating on cerussite.
At the Mount Isa Block, Queensland, Australia, spangolite has been found on a fracture surface in chert, associated with chrysocolla.
At the type locality, Bisbee, Arizona, USA, spangolite is associated with cuprite nodules, and it has also been found with claringbullite and atacamite.
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