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Dictionary

hed•en•berg•ite

Pronunciation: (hed'n-bur-gīt"), [key]
—n.
a contact metamorphic mineral of the pyroxene family, calcium ferrous silicate, CaFe(SiO₃)₂, that forms black prismatic crystals in crystalline limestone.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

heddle

heder

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