Definitions
from The Century Dictionary.
- noun A silicate of zinc and calcium (Ca2ZnSi2O7) which occurs in white granular masses at Franklin Furnace, in Hardyston township, Sussex county, N. J.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A rare purple
fluorescent silicate mineral .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Hardystone + -ite, after Hardystone Township, New Jersey.
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