Plumbogummite

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11	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 02:41:02 Phosphate minerals Natural resources Duftite Plumbogummite Arsenate minerals Crystallography Chemistry
12	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2011-01-14 13:07:58 Natural resources Eosphorite Plumbogummite Pleochroism Broken Hill New South Wales Phosphate minerals Crystallography Chemistry