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penillion
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penninite
pen·ni·nite [ pénni nt ] or pen·nine [ pén n ]


noun 
Definition:
 
green to blue mineral: a green-blue mineral of the chlorite group, containing magnesium and iron. Source: metamorphic rocks.
[Mid-19th century. After the Pennine Alps]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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