Warwickite

Warwickite

Warwickite is an iron magnesium titanium borate mineral with formula: (MgFe)3Ti(O,BO3)2 "or" Mg(Ti,Fe3+,Al)(BO3)O. It occurs as brown to black prismatic orthorhombic crystals which are vitreous and transparent. It has a Mohs hardness of 3 to 4 and a specific gravity of 3.36. [http://webmineral.com/data/Warwickite.shtml Webmineral] [http://www.mindat.org/min-4245.html Mindat]

It occurs metasomatized limestone skarns and in lamproite and carbonatite veinlets. It was first described in 1838 near Warwick, Orange County, New York. It has also been reported from Bancroft, Ontario; in Murcia Province, Spain; in Siberia and near
Pyongyang, North Korea. [http://rruff.geo.arizona.edu/doclib/hom/warwickite.pdf Handbook of Mineralogy]

References


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  • Warwickite — War wick*ite, n. (Min.) A dark brown or black mineral, occurring in prismatic crystals imbedded in limestone near Warwick, New York. It consists of the borate and titanate of magnesia and iron. [1913 Webster] …   The Collaborative International Dictionary of English

  • warwickite — ● warwickite nom féminin (de Warwick, nom propre) Borotitanate naturel de magnésium et de fer, orthorhombique …   Encyclopédie Universelle

  • warwickite — war·wick·ite …   English syllables

  • warwickite — ˈwȯr(w)iˌkīt, ˈwäriˌ noun ( s) Etymology: Warwick, village of southeastern New York + English ite : a mineral (Mg, Fe)3Ti(BO4)3 consisting of a borate of titanium, iron, and magnesium and occurring in brown to black orthorhombic prisms (hardness …   Useful english dictionary

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