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Columbite
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#	Item
31	Uranmicrolite (U, Ca)2(Ta, Nb)2O6 (OH, F) Add to Reading List Source URL: www.handbookofmineralogy.org Language: English - Date: 2007-09-30 02:57:10 Natural resources Pyrochlore Microlite Samarskite- Columbite Lepidolite Betafite Chemistry Oxide minerals Matter
32	PDF Document Add to Reading List Source URL: rruff.info Language: English - Date: 2012-12-13 14:47:55 Natural resources Tapiolite Columbite Pegmatite Tantalite Samarskite- Niobium Wodginite Tantite Oxide minerals Chemistry Matter
33 $Oxide minerals / Chemical elements / Refractory metals / Transition metals / Gemstones / Rutile / Columbite / Niobium / Pegmatite / Chemistry / Matter / Crystallography$	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 02:53:28 Oxide minerals Chemical elements Refractory metals Transition metals Gemstones Rutile Columbite Niobium Pegmatite Chemistry Matter Crystallography
34	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 02:41:10 Crystallography Betafite Pyrochlore Columbite Chemistry Oxide minerals Matter
35	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 02:23:40 Oxide minerals Phosphate minerals Pegmatite Triplite Lithiophilite Microlite Columbite Cassiterite Spodumene Chemistry Crystallography Matter
36	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 02:57:10 Natural resources Pyrochlore Microlite Samarskite- Columbite Lepidolite Betafite Chemistry Oxide minerals Matter
37	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 02:15:48 Crystallography Pyrochlore Pegmatite Columbite Tsaratanana Chemistry Matter Oxide minerals
38	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 01:57:34 Wodginite Tapiolite Columbite Tantalite Microlite Niobium Iron(II) oxide Pegmatite Ore Oxide minerals Chemistry Matter
39	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 01:28:54 Oxide minerals Microprobe Microtechnology Spectroscopy Electron microprobe Columbite Chemistry Microscopes Science
40	PDF Document Add to Reading List Source URL: www.handbookofmineralogy.com Language: English - Date: 2007-09-30 01:26:24 Oxide minerals Columbite Pyrochlore Niobium Aeschynite- Apatite Chemistry Matter Crystallography

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