Quartz, Quartz var. Smoky Minas Gerais, Brazil (left); ...
Description: Quartz, Quartz var. Smoky Minas Gerais, Brazil (left); Minas Gerais, Brazil 1989, right) 12 x 4 x 2 cm (left); 11.5 x 4 x 3 cm (right) In the phantoms display