ACANTHITE
Proaño Mine, Fresnillo, Municipio de Fresnillo, Zacatecas, Mexico
3.5 × 4.5 × 3.5 cm,
$2,500
QUARTZ var. Amethyst on QUARTZ var. Smoky
Delmoe Lake area, Boulder Batholith, Jefferson County, Montana, USA
13 × 8 × 8 cm,
$8,500
TURQUOISE
King Mine (?), Manassa, Conejos County, Colorado, USA
2.8 × 1.5 × 1.1 cm,
$50
TURQUOISE
King Mine (?), Manassa, Conejos County, Colorado, USA
2.2 × 1.5 × 1.5 cm,
$50
TURQUOISE
King Mine (?), Manassa, Conejos County, Colorado, USA
2.2 × 1.1 × 1.4 cm,
$50
PYRITE
Butte, Silver Bow County, Montana, USA
13 × 9 × 4 cm,
$450
CASSITERITE
Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia
4 × 3 × 3 cm,
$350
COPPER
Ray Mine, Pinal County, Arizona, USA
16 × 4.5 × 9 cm,
$750
HEMIMORPHITE
Summit Mine, Radersburg, Broadwater County, Montana, USA
6 × 6 × 5.5 cm,
$1,500
SPHALERITE with CHALCOPYRITE on DOLOMITE
Tri-State District, Missouri, USA
3.7 × 4.6 × 4.3 cm,
$150
SMITHSONITE with CALCITE
Kelly Mine, Magdalena, Socorro County, New Mexico, USA
18 × 8.6 × 3.2 cm,
$850