- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for 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
C19: from German Pinit, named after the Pini mine, Schneeberg, Saxony