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Noun
pinite
Definition: grey or green or brown mineral similar to mica and containing aluminum and potassium sulphates
Definition: Any fossil wood which exhibits traces of having belonged to the pine family.
Definition: 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.