botallackite

botallackite

[bə′tal·ə‚kīt]
(mineralogy)
Cu2(OH)3Cl·3H2O A pale bluish-green to green, orthorhombic mineral consisting of a basic copper chloride; occurs as crusts of crystals.
References in periodicals archive ?
Far and away the world's best botallackite specimens, though, are those found by Michael Merry in March and April 2007 on a rocky beach below the old, ruined Cligga Head mine, near the village of Perranzabuloe, Cornwall.
com) booth, Rob Lavinsky had just three specimens (respectively 6, 10 and 12 cm across) representing Michael Merry's April 2007 find of botallackite at Cligga Head, Perranzabuloe, Cornwall, England.
Wayne and Dona Leicht (of Kristalle) and Ian Bruce (of Crystal Classics) said that they had a new find of botallackite from the Cligga Head mine, Perranporth, Cornwall, England.
Relationship to other sp ecies: It is chemically related to belloite, atacamite, clinoatacamite, paratacamite, botallackite, simonkolleite, calumetite, anthonyite, claringbullite and eriochalcite.
A fair quantity of superbly crystallized botallackite reached the market during and after the mid 1960's via the late Cornish mineral dealer Richard (Dick) W.
In the presence of water belloite converts within minutes to botallackite and atacamite.