EP61AE1: Quartz (variety chalcedony) - Smara, Western Sahara 
Quartz (variety chalcedony)

Smara, Western Sahara   (2016)

Specimen size: 5.3 × 5.2 × 4.7 cm = 2.1” × 2.0” × 1.9”
specimens/s_imagesAE1/Quartz_chalcedony-EP61AE1r.jpg