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Linarite



  Linarite is a somewhat rare, crystalline mineral that is known among collectors for its unusually intense, pure blue color. It is formed by the oxidation of galena and chalcopyrite and other copper sulfides. It is a combined copper lead sulfate hydroxide with formula PbCuSO4(OH)2. Linarite occurs as monoclinic prismatic to tabular crystals and irregular masses. It is easily confused with azurite, but does not react with dilute hydrochloric acid as azurite does. It has a Mohs hardness of 2.5 and a specific gravity of 5.3 - 5.5.

Additional recommended knowledge

It was first identified in 1839 it is named after the Linares Plateau, Spain.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Linarite". A list of authors is available in Wikipedia.
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