Origin: Aguila, Arizona, USA
Description: Mercury rhyolite is a stone I dig out in the Arizona desert. The rhyolite is a very hard silicate and makes beautiful banded Cabochons.
Chemical Composition: SiO2
Grade: Lapidary Grade
Cost per Gram: $0.08
Size approximately 1 pc: 11cm x 9cm x 5.5cm
Weight approximately 1 pc: 765g
Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.