Strunz classification 6.AB.20 Cleavage perfect on {100} | Formula(repeating unit) (Mg,Fe)3Ti[O|BO3]2 Space group Pnam | |
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Color dark brown, grey to black¨ Crystal system Orthorhombic crystal system Crystal class Dipyramidal (mmm); H-M symbol: (2/m 2/m 2/m) | ||
What does warwickite mean
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.
Contents
How to say warwickite high quality voices
Occurrence
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.
References
Warwickite Wikipedia(Text) CC BY-SA