Murray mine, Independence Mountains Mining District, Elko County, Nevada, USA
From the Z5-140 drift, Very good for the locality
© Weinrich Minerals
White Caps Mine, Manhattan, Manhattan Mining District, Toquima Range, Nye County, Nevada, USA
© John Betts
Typical morphology for material from 450' to 650' levels, showing some dissolution. Former collection of Dan Kennedy and UC Berkeley.
© Heritage Auctions
on limestone, typical of material from 300 level former collection W.J. Rodekohr