noun — 3 senses
Etymology From pine + -ite.
Usually Any fossil wood which exhibits traces of having belonged to the pine family.
Chemistry, Natural sciences, Physical sciences Usually A sweet white crystalline substance extracted from the gum of a species of pine (Pinus lambertiana, sugar pine), isomeric with quercite.
Etymology From Pini + -ite, after a mine in Saxony.
Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences Usually A compact granular cryptocrystalline mineral of a dull grayish or greenish white color. It is a hydrous alkaline silicate, and is derived from the alteration of other minerals, such as iolite.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.