from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The iron-rich endmember of the pyroxene group having a monoclinic crystal system.
from The Century Dictionary and Cyclopedia
- n. A lime-iron variety of pyroxene, occurring in crystals and in lamellar masses of a black or blackish-green color at Tunaberg in Sweden, and elsewhere.
Hedenberg + -ite, after M. A. Ludwig Hedenberg. (Wiktionary)