Description: Gypsum Mariposa Mine, California Hill, Terlingua Mercury District, Brewster County, Texas, USA 5.8 cm tall. Same location. Specimen is 5.8 cm tall. This is a 780 degree spiral, very tight and even. Collecting it was one of the most rewarding things I have ever done..

All pictures, text, design © Forum FMF 2006-2024