pinite

pinite

[pin-ahyt, pee-nahyt]
noun
a micaceous mineral, similar in composition to muscovite, formed by chemical alteration of various other minerals.

Origin:
1795–1805; < German Pinit, named after Pini, mine in Germany; see -ite1

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pinite (ˈpɪnaɪt, ˈpaɪ-)
 
n
a greyish-green or brown mineral containing amorphous aluminium and potassium sulphates
 
[C19: from German Pinit, named after the Pini mine, Schneeberg, Saxony]

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