from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of several varieties of the mineral pyroxene, such as diopside and augite, that have monoclinic crystals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy Any
pyroxenethat has a monocliniccrystal structure.
Sorry, no etymologies found.
Figure parts a-e with crossed nichols. (a) Micrographic groundmass surrounds feldspar phenocryst fragment. (b) Micrographic groundmass around clinopyroxene phenocryst.
Blocks of anorthoclase - and clinopyroxene-bearing micorgaphic granophyre (click for photo) were ejected with rhyolitic pumice during a late-Pleistocene eruption at the Alid volcanic center, Eritrea.