Galena (PbS) has perfect cubic cleavage, so bigger pieces can be broken into smaller ones that show its cubic symmetry. From Reynolds County, Missouri.
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")
If you would like to pick this item up at our store front, please select "pick up" during checkout.
If your delicate specimen is over 70lbs we will refer you to our local Crating company for safer freight shipping!
*At customer expense.