SILVER
Keweenaw Peninsula, Michigan, USA
3.5 × 6.3 × 2.8 cm,
$2,500
COPPER
Copper Falls Mine, Copper Falls, Keweenaw County, Michigan, USA
1.1 × 8.3 × 0.6 cm,
$1,250
BORNITE
Mine No. 57, Dzhezkazgan, Karagandy Province, Kazakhstan
8.3 × 4 × 2 cm,
$600
VANADINITE
Mibladen, near Midelt, Khénifra Province, Meknés-Tafilalet Region, Morocco
2.7 × 3.2 × 1.4 cm,
$200
ACANTHITE
Guanajuato, Municipio de Guanajuato, Guanajuato, Mexico
2.3 × 1.9 × 1.7 cm,
$750
LIBETHENITE
Mindola Pit, Rokana Mine, Kitwe, Copperbelt Province, Zambia
2.2 × 1.8 × 1.5 cm,
$350
CALCITE
Gillfoot Mine, Egremont, Cumberland, Cumbria, England
6.5 × 5.2 × 6.1 cm,
$2,500
AXINITE-(Fe) on CALCITE
Puiva Mount, near Saranpaul, Tyumenskaya Oblast, Russia
5.8 × 4 × 2.4 cm,
$450
CHALCOCITE
Lucky Friday Pocket, 1000 Level, Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USA
3 × 2.8 × 2.6 cm,
$850
CHALCOCITE
960 Level, Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USA
4.6 × 4.5 × 2.9 cm,
$1,500
CHALCOCITE
930 Level, Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USA
2.3 × 2.2 × 1.7 cm,
$850