Product 36/40
A quartz matrix with the upper irregular surface covered with dark green to brown pharmacosiderite and blue to blue-grey spherules of scorodite.
6.4cms x 4.3cms x 3.5cms.
probably Wheal Gorland, St. Day, Cornwall.
ex Philadelphia Academy of Natural Sciences Collection #24209.
This product was added to our catalog on Friday 28 May, 2010.