hedenbergite

[hed-n-ber-gahyt]
noun
  1. a contact metamorphic mineral of the pyroxene family, calcium ferrous silicate, CaFe(SiO3)2, that forms black prismatic crystals in crystalline limestone.

Origin of hedenbergite

1815–25; named after L. Hedenberg, early 19th-century Swedish chemist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018