Polycrase

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1	PDF Document Add to Reading List Source URL: rruff.info Language: English - Date: 2008-06-25 10:49:49 Oxide minerals Aeschynite- Samarskite- Mineral Euxenite Polycrase Columbite Fergusonite Matter Chemistry Natural resources
2	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 02:57:14 Oxide minerals Polycrase Elbaite Stilbite Metamictization Elba Euxenite Lepidolite Microlite Matter Chemistry Natural resources