"Azurite" Quotes from Famous Books
 ... of the following copper ores: Malachite, azurite, chalcopyrite, and red oxide; wet a very small fragment with an acid and note the color when it is held in the flame of an alcohol lamp or a Bunsen burner; dissolve a crystal of blue vitriol (copper sulphate) in water and note what ...
— Commercial Geography - A Book for High Schools, Commercial Courses, and Business Colleges • Jacques W. Redway |
