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)


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