mining gemstones in china
2021 10 21 Something New at Biggs Junction, Rock & Gem Magazine. Nov 05, 2020 In the January 2012 issue of Rock & Gem, I wrote about a visit our Yakima Washington club made to China Hollow, where we dug in two pits on land owned and mined by Don Hilderbrand In the March 2015 issue of Rock & Gem, I wrote about Biggs jasper, Blue Biggs jasper, and