Rough Lead Crystals
Native Lead in any form is extremely rare. This one is heads above many for the fact that it has cubic (if admittedly somewhat worn) crystals, which are almost never found i nature. It may not be "beautiful", but it is a treasure in its own right.
Langban, Filipstad, Varmland, Sweden
3.3 x 1.9 x 1.1 cm.