MOLYBDENITE
Sierrita Mountains, Pima County, Arizona, USA
9 × 8 × 5 cm,
$350
AZURITE with MALACHITE
Dome Fault, Pinto Valley Mine, Globe-Miami District, Gila County, Arizona, USA
12 × 8 × 5 cm,
$750
PETZITE with GOLD
Cash Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
9.5 × 5.5 × 4.5 cm,
$1,250
HESSITE
Gold Hill, Gold Hill District, Boulder County, Colorado, USA
8 × 6 × 3.5 cm,
$850
GOLD with PYRITE, HESSITE and PETZITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
9 × 6.5 × 3.5 cm,
$600
GOLD with PYRITE, GALENA, PETZITE and HESSITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
6.5 × 6 × 2.5 cm,
$600
HESSITE with PETZITE and GOLD
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
3 × 2 × 1.7 cm,
$1,250
HESSITE with PETZITE, COLORADOITE and GOLD
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
3.5 × 2.5 × 2 cm,
$850
CALCITE
Egremont, Cumberland, Cumbria, England
5.8 × 5.6 × 3.2 cm,
$350
CALCITE in Shell Fossil (Mercenaria Permagna)
Rucks Pit, Fort Drum, Okeechobee County, Florida, USA
13.1 × 6.2 × 6.3 cm,
$200
COPPER
Houghton County, Michigan, USA
10.9 × 9.1 × 4.8 cm,
$1,500