NOUN
- grey or green or brown mineral similar to mica and containing aluminum and potassium sulphates
How To Use pinite In A Sentence
- These plutons generally contain a variety of rock types, ranging from appinites and diorites through tonalites, granodiorites and rare syenites to ademellites and granites.
- A range of Caledonian magmatic rocks has been intruded into the Moine metasediments, including lamprophyres, appinites, syenites and granites.
- A peculiar variety occurring as contorted concretionary masses is known as tripe-stone, and a scaly granular variety, from Vulpino, near Bergamo, in Lombardy, as vulpinite; the latter is cut and polished for ornamental purposes. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- Collected from the eastern half of the Orlica-Snieznik Dome near the border with the Keprm'k dome, sample SZ-IOa is a well-foliated garnet-zone gneiss that contains minor poikilitic garnet with fractures containing pinite.
