Quartz, var. Chalcedony, Opal
$35.00
4.6x3.7x3.5 cm
Black Hills Area
Safford, Graham County
Arizona, USA
Item number: 29734
This one is actually a big botryoid of chalcedony-opal formed on top of a spray of larger quartz crystals. The best feature though is the bright green fluorescence under SW u-v light.
DKDD