a micaceous mineral, similar in composition to muscovite, formed by chemical alteration of various other minerals.
Origin of pinite
1795–1805; < German Pinit, named after Pini, mine in Germany; see -ite1
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Examples from the Web for pinite
Historical Examples of pinite
Pinite has been said to have been also discovered in this spot.
In the granite rocks on the high hills south-east of Trewellard, Pinite is to be observed.
a greyish-green or brown mineral containing amorphous aluminium and potassium sulphates
Word Origin for pinite
C19: from German Pinit, named after the Pini mine, Schneeberg, Saxony
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012