CALCITE
Bagdad, Eureka District, Yavapai County, Arizona, USA
10 × 7.5 × 4 cm,
SOLD
COPPER
Ray Mine, Pinal County, Arizona, USA
16 × 4.5 × 9 cm,
$750
PYRITE
Butte, Silver Bow County, Montana, USA
13 × 9 × 4 cm,
$450
BETEKHTINITE (?) on QUARTZ
Butte, Silver Bow County, Montana, USA
13 × 8 × 2 cm,
SOLD
QUARTZ var. Amethyst
Amatitlán, Municipio de Zumpango del Rio, Guerrero, Mexico
6 × 5 × 5.5 cm,
SOLD
DOLOMITE
Black Cloud Mine, Leadville, Lake County, Colorado, USA
4.9 × 2.9 × 4.5 cm,
SOLD
SIDERITE ON SPHALERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
5.5 × 4 × 2.5 cm,
SOLD
BARITE
Colorado Springs, El Paso County, Colorado, USA
5.9 × 1.8 × 3.2 cm,
$40
RHODOCHROSITE on QUARTZ
Sunnyside Mine, near Silverton, San Juan County, Colorado, USA
6.5 × 5.5 × 4 cm,
$450
QUARTZ var. Smoky
Calumet Mine, near Salida, Chaffee County, Colorado, USA
2.8 × 4.7 × 2.5 cm,
SOLD
RHODOCHROSITE on PYRITE and SPHALERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
6 × 2.5 × 3 cm,
SOLD