The mineral chalcedony is a microcrystalline type of quartz which replaces the original calcium carbonate of the coral and forms into agate. Grains of sand and pieces of the original calcium carbonate ...

DELAND, Fla. – A new exhibit has opened in the Gillespie Museum at Stetson University. Here are five things you should know about the exhibit. 1. The Agatized Coral and Other Silicified Fossils ...

Ted Beiler, newsletter editor for the DeLand Gem and Mineral Club, reports that members have been invited to join the Georgia Mineral Society and the Cobb County Gem and Mineral Society on an annua… ...