- Liroconite
Liroconite is a complex mineral: Hydrated copper aluminium arsenate hydroxide, with the formula Cu2AlAsO4(OH)4·4H2O. It is a vitreous
monoclinic mineral, colored bright blue to green, often associated withmalachite ,azurite ,olivenite , andclinoclase . It is quite soft, with aMohs hardness of 2 - 2.5, and has aspecific gravity of 2.9 - 3.0.It was first identified in
1825 in the tin and copper mines of Devon andCornwall, England . Although it remains quite rare it has subsequently been identified in a variety of locations includingFrance ,Germany ,Australia ,New Jersey andCalifornia .The type locality for Liroconite is Wheal Gorland in
St Day ,Cornwall in the United Kingdom. [ [http://www.mindat.org/min-2413.html Liroconite: Liroconite mineral information and data ] ]External links
* [http://www.mindat.org/min-2413.html Mindat w/loality data]
* [http://www.webmineral.com/data/Liroconite.shtml Webmineral]
* [http://mineral.galleries.com/minerals/phosphat/liroconi/liroconi.htm Mineral galleries]References
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