GENERAL INDEX QUARTZ Chalcedony and opal listed separately Alternate coating of terminal faces explained 2:17ff Amethyst occurrences in eastern U.S., approx. 200 listed 21:203–213c,p - Chalcedony - Document - PDFSEARCH.IO

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	GENERAL INDEX QUARTZ Chalcedony and opal listed separately Alternate coating of terminal faces explained 2:17ff Amethyst occurrences in eastern U.S., approx. 200 listed 21:203–213c,p Add to Reading List Document Date: 2005-03-18 11:04:22 Open Document File Size: 79,42 KB Share Result on Facebook

GENERAL INDEX QUARTZ Chalcedony and opal listed separately Alternate coating of terminal faces explained 2:17ff Amethyst occurrences in eastern U.S., approx. 200 listed 21:203–213c,pAdd to Reading List