Glaucocerinite

minerals

ktenasite

smithsonite

adamite

Formula: (Zn1-xAlx)(SO4)x/2(OH)2.nH2O (x<0.5, n>3x/2)
Hydrated sulphate containing hydroxyl, glaucocerinite group
Specific gravity: 2.749
Hardness: 1
Streak: Bluish white
Colour: Sky-blue, turquoise-blue, greenish, greyish, brownish
Solubility: Soluble in hydrochloric acid (AM 17.495)
Environments

Hydrothermal environments

The type locality is the Serpieri Mine, Kamariza Mines, Agios Konstantinos, Lavrion mining district, Lavreotiki, East Attica, Greece. Here glaucocerinite is a rare secondary mineral on museum specimens from a copper-zinc sulphide deposit. It is found as a fine botryoidal coating on adamite or with gypsum in vugs in smithsonite (AM 19.556). Associated minerals include smithsonite, adamite, ktenasite, serpierite, malachite, azurite, gypsum, pyrite, galena, sphalerite, fluorite, calcite and limonite (HOM, Dana).

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