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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)


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