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...eral]] of [[yttrium]], [[calcium]], [[iron]], [[thorium]], [[titanium]], [[niobium]], [[oxygen]], and [[hydrogen]] with the chemical formula {{chem2|(Y,Ca,Fe, * [[List of minerals]] ...

'''Charleshatchettite''' is a very rare, complex, [[niobium]] oxide mineral with the formula CaNb₄O₁₀(OH)<sub>2</ ==Relation to other minerals== ...

...-12-17 }}</ref> The largest producers of ferroniobium are the same as for niobium and are located in [[Brazil]] and [[Canada]].<ref name ="tesla">{{cite web ....usgs.gov/minerals/pubs/commodity/ferroalloys/myb1-2006-feall.pdf | title =Minerals Yearbook 2006: Ferroalloys | publisher = [[United States Geological Survey] ...

| category = [[Oxide minerals]] ...|Y]]|, [[calcium|Ca]]|, [[cerium|Ce]]|, [[uranium|U]]|, [[thorium|Th]]|)([[niobium|Nb]]|, [[tantalum|Ta]]|, [[titanium|Ti]]|2|)|[[oxygen|O]]|6}}. It is common ...

...%29.pdf |website=International Mineralogical Association COMMISSION ON NEW MINERALS, NOMENCLATURE AND CLASSIFICATION |accessdate=8 March 2019 |archive-url=http ...alite|tantalite-bearing]] [[pegmatite]].<ref name="handbook" /> Associated minerals include [[rutile]], [[quartz]] and [[albite]].<ref name="Mindat" /> ...

| category = [[Oxide minerals]] ...smaller amounts, and [[tantalum]] sometimes substitutes for some of the [[niobium]]. There are [[fergusonite-beta]]-(Nd), fergusonite-beta-(Y), fergusonite-b ...

| category = [[Oxide minerals]] It contains four relatively uncommon elements: [[antimony]], [[niobium]], [[tantalum]], and [[tungsten]]. It is named after William Wise, a minera ...

...manganokaskasite]] ([[molybdenum]]- and [[manganese]]-analogue). All three minerals belong to the valleriite group, and crystallize in the [[trigonal]] system Beside [[niobium]], [[molybdenum]], [[sulfur]], [[magnesium]] and [[aluminium]] ekplexite co ...

...ndel, J.W., Fleischer, M. (1950) A Glossary of Uranium-and Thorium-Bearing minerals. Geological Survey Circular 74, pg.11, http://babel.hathitrust.org/cgi/pt?i Ellsworthite has complex [[hydrous oxide]]s of niobium, tantalum, sodium, calcium, with hydroxyl and fluorine; it may contain as m ...

...and [[niobite]], he concluded that it does contain an element similar to [[niobium]] and [[tantalum]]. The symbol was '''Di'''. ...rmany. He concluded that the element he found was different from tantalum, niobium, pelopium and ilmenium.<ref name="Kobell1860"/><ref>{{cite journal|doi = 10 ...

...hardness|Mohs scale]] rating is 5 to 6. It is a member of the [[hydroxide minerals]]. * [[List of minerals]] ...

...anthanum]], [[calcium]] and [[praseodymium]]. Titanium is substituted by [[niobium]]. Trace elements include [[thorium]]. The mineral is monoclinic, space gro ...lcite]], [[clinochlore]], hibschite and [[titanite]] in expense of primary minerals.<ref name=Ch /> ...

[[Category:Titanium minerals]] [[Category:Strontium minerals]] ...

...ed for a wide variety of rare minerals and is the type locality for thirty minerals, including: [[aenigmatite]], [[arfvedsonite]], [[sodalite]], [[eudialyte]] ...] deposit and a large reserve of [[rare-earth element]]s, [[zirconium]], [[niobium]] and [[beryllium]].<ref name=Sorensen/> ...

[[Category:Niobium minerals]] [[Category:Thorium minerals]] ...

...istan. Alkaline rocks of this site are famous for containing numerous rare minerals, often enriched in boron, caesium, lithium, titanium, rare earth elements, [[Strontium]] and trace amounts of [[rubidium]], [[barium]] and [[niobium]] are present in the structure of faizievite. One of the sodium sites is pa ...

...., Kampf, A.R., and Pekov, I.V., 2003. The nomenclature of eudialyte-group minerals. The Canadian Mineralogist 41, 785-794</ref> "REE", standing for [[rare ear [[Category:Sodium minerals]] ...

...American Mineralogist 40, 560-564</ref> It is one of a few currently known minerals containing essential tetravalent [[cerium]], the other examples being [[ste ...e) associates with minerals of the [[apatite]] group, [[bastnäsite]]-group minerals, [[calcite]], [[feldspar]], "fluocerite", "hydromica", ilmenite, [[nephelin ...

| products = [[Niobium]] <br> [[Phosphate]] ...| last8=Assis | first8=Luis Carlos |display-authors=5| title=The Catalão I niobium deposit, central Brazil: Resources, geology and pyrochlore chemistry | jour ...

...ncluded. It is defined by a [[partition coefficient]] between rock-forming minerals and [[magma|melt]] being much smaller than 1.<ref name="albarede">{{cite bo ...gy)|crust]], elements that have difficulty in entering cation sites of the minerals are concentrated in the melt phase of the magma ([[Liquidus and solidus|liq ...