PYRITE
Butte, Silver Bow County, Montana, USA
7 × 5 × 4.5 cm,
$2,000
PYRITE
Mountain Con Mine, Butte, Silver Bow County, Montana, USA
5.5 × 4 × 3 cm,
$250
ENARGITE
Leonard Mine, Butte, Silver Bow County, Montana, USA
7 × 5 × 3 cm,
$10,000
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 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
Horní Slavkov (formerly Schlaggenwald), Karlovy Vary Region, Bohemia, Czech Republic
2.3 × 2 × 1.5 cm,
$250
CASSITERITE on QUARTZ
Siglo XX Mine, Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia
2.6 × 2.1 × 1.8 cm,
$600
BERYL var. Aquamarine
Jos Plateau, Plateau State, Nigeria
0.6 × 2.5 × 0.6 cm,
$250
BERYL var. Aquamarine
Teófilo Otoni, Minas Gerais, Brazil
1 × 2.7 × 1.2 cm,
$100