from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A monoclinic-prismatic mineral containing boron, calcium, hydrogen, oxygen, and silicon.
from The Century Dictionary and Cyclopedia
- n. A hydrated calcium borosilicate occurring in massive white forms at the borax-mines in San Bernardino county, California.
From Baker + -ite, after the area of Baker, California where it occurs. (Wiktionary)