schönfelsite

noun

schön·​fels·​ite

ˈshōnˌfelˌzīt,

ˈshə(r)n-

plural -s

: a feldspar-free basalt with phenocrysts of olivine and augite in a dense groundmass of titanomagnetite, orthorhombic pyroxene, apatite, interstitial brown glass, and traces of basic plagioclase

Word History

Etymology

German schönfelsit, from Altschönfels, Saxony, Germany + German -it -ite

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now