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Lorenzenite is a rare mineral, sodium titanium silicate, with the formula Na2Ti2Si2O9 It is an orthorhombic mineral, variously found as colourless, grey, pinkish, or brown crystals.

It was first identified in 1897 in rock samples from Narsarsuk, Greenland. In 1947 it was discovered to be the same as the mineral ramsayite, discovered in the 1920s in the Kola peninsula of Russia. It is also found in northern Canada.

It was named in honour of Johannes Theodor Lorenzen (1855-1884), Danish mineralogist.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Lorenzenite". A list of authors is available in Wikipedia.
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