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Galena

Chalcopyrite

Azurite

Bornite

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Botallackite Cu2[(OH)3|Cl]

botallackite mineral specimen

A blue-green mineral first found at Botallack Mine, the type location which it is named after.

Botallack is a mine near to Geevor on the coast, known for its dramatic engine houses situated at the base of the cliffs. The mineral was found by collector Mr. Richard Talling of Lostwithiel who then sent it on to A.H. Church, a Chemistry professor. Professor Church declared it a new mineral in a paper to the Chemical Society in 1865.

Data Panel: Copper ore: Botallackite
Cu2[(OH)3|Cl]
colour
Pale, mountain-green
hardness
3
Crystal system
 
Crystal habit
 
Lustre
Various
Streak
White
Fracture
Various
Other characteristics
Usually a thin crust or botryoidal globules

View this mineral in 3D

 

 Photograph reproduced with the kind permission of Pat Comber

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