Chalcedony-Opal
$45.00
9.7x8.5x6.5 cm
Black Hills
Safford, Graham County
Arizona, USA
Item number: 29726
A couple of areas of shiny chalcedony and opal are present on the front-top of this specimen. The lighter coloured silica fluoresces while the darker coloured does not. Displays well!
DKDD