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proustite
prous·tite
[
pr stt
]
noun
Definition:
red mineral:
a deep red mineral consisting of silver arsenic sulfide. Use: source of silver.
[
Mid-19th century. After Joseph L. Proust (1754-1826), French chemist
]
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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