David K. Joyce

Quartz, var. Chalcedony, Opal

13.0x7.6x6.6 cm
Black Hills Area
Safford, Graham County
Arizona, USA

Quartz, var. Chalcedony, OpalQuartz, var. Chalcedony, Opal

Item number: 29730

A larger specimen of silica that is fluorescent across the top of the botryoids but less so in the lower part. Striking! Displays well.