These approximately 0.5" pieces of (PbS) are broken from larger crystals. Galena has perfect cubic cleavage, so bigger pieces can be broken into these cubic shapes. From Reynolds County, Missouri.
Sold invidually.
About 0.5" (9-14mm x 8-10mm x 5-12mm; 0.4-0.6" x 0.3-0.4" x 0.2-0.5")
