ENARGITE
Leonard Mine, Butte, Silver Bow County, Montana, USA
7 × 5 × 3 cm,
$10,000
PYRITE
Mountain Con Mine, Butte, Silver Bow County, Montana, USA
5.5 × 4 × 3 cm,
$250
PYRITE
Butte, Silver Bow County, Montana, USA
7 × 5 × 4.5 cm,
$2,000
COVELLITE
Butte, Silver Bow County, Montana, USA
5.5 × 3 × 3 cm,
$17,500
PYRITE and CHALCOCITE after ENARGITE (?) on QUARTZ
Leonard Mine, Butte, Silver Bow County, Montana, USA
7 × 5 × 5 cm,
$7,500
ENARGITE
Butte, Silver Bow County, Montana, USA
7 × 7 × 4 cm,
$6,000
CASSITERITE
Merekski Ore District, Bureya Massif, Khabarovskiy Kray, Russia
1.7 × 1.7 × 1.2 cm,
$150
CASSITERITE
Sapucaia Mine, near Galiléia, Minas Gerais, Brazil
2.4 × 2.1 × 1.5 cm,
$100
CASSITERITE with MUSCOVITE
Governador Valadares, Minas Gerais, Brazil
2.2 × 1.8 × 1.2 cm,
$350
CASSITERITE
José Leocádio Mine, Goiabeira, Minas Gerais, Brazil
2.4 × 2.2 × 1.9 cm,
$350
CASSITERITE
Arqueana Mine, Piaui Valley, Itinga, Minas Gerais, Brazil
2.5 × 2.6 × 1.6 cm,
$150