Acanthite, Pyrargyrite
San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
Toenail, 2.9 x 2.3 x 1.7 cm
2.9 x 2.3 x 1.7 cm (largest). A fine 2-piece set of silver sulfide thumbnails from the Rayas Mine at Guanajuato and Consie Prince dealer stock. The taller, skyscraper-like piece consists of sharp, metallic, moderate-lustre acanthite crystals. The second piece is a 3-dimensional cluster of lustrous, blocky pyrargyrite crystals.