20hhgd.is ((PETZITE, HESSITE, ELECTRUM)), $35 MINIMUM BID, Cash Mine, Gold Hill, Gold Hill Mining District, Boulder Co., Colorado, USA, 1.5 x 1 x .2 cm, Thumbnail, | |
Sliced and polished Gold and Silver Telluride from Colorado mounted in plastic partial round wafer for viewing. ex Glenn Davidson collection. |