Natural History - Geology - a collection of rock and mineral...

Estimate

£30 - £50

Natural History - Geology - a collection of rock and mineral specimens, comprising helvite in quartz, 7cm high, 7cm wide, Kara-Oba, Kazakhstan [mined when former USSR]; fluorite on quartz, 3.5cm high, 7.5cm wide, Kara-Oba, Kazakhstan; purple fluorite, 9cm wide, Greelaws Mine, Weardale, County Durham; fluorite, 11cm wide, Xiang Hualin Mine, Hunan Province, China; another, 11cm wide, Hunan Province, China; barite, 7cm high, 9cm wide, Shirley Basin, Carbon County, Wyoming, United States of America; stibnite, 10cm wide, Tuscany, Italy; oxblood calcite, 5.5cm high, 11cm wide, Taffs Wells Quarry, Cardiff, South Wales; another, yellow and white, 7cm high; calcite, 8.5cm wide, Aughenmore, Sligo, Republic of Ireland; calcite on quartz, 8cm high, Gjudurska Mine, Zlatograd, Bulgaria; spahlerite, 11.5cm, Smallcleugh Mine, Nenthead, Cumbria [12]