from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A variety of feldspar.
from the GNU version of the Collaborative International Dictionary of English
- n. A variety of feldspar found in crystals in the county of Chester, Pennsylvania.
from The Century Dictionary and Cyclopedia
- n. A variety of potash feldspar, occurring in small white crystals implanted on dolomite, from Chester county, Pennsylvania.
Chester + -lite (Wiktionary)