harstigite

noun

hars·​tig·​ite

ˈhärstəˌgīt

plural -s

: a mineral Be₂Ca₃Si₃O₁₁ consisting of a silicate of beryllium and calcium (hardness 5.5, specific gravity 3.05)

Word History

Etymology

Swedish harstigit, from Harstig mine, Sweden + Swedish -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