EC6AE2: Quartz (variety chalcedony) - Mamuju area, Sulawesi Barat Province Indonesia
Quartz (variety chalcedony)

Mamuju area, Sulawesi Barat Province  Indonesia (2016)

Specimen size: 4.3 × 2.9 × 1.9 cm = 1.69” × 1.14” × 0.75”
Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”

specimens/s_imagesAE2/Quartz_chalcedony-EC6AE2f.jpg