SMITHSONITE with CALCITE
Kelly Mine, Magdalena, Socorro County, New Mexico, USA
18 × 8.6 × 3.2 cm,
$850
SPHALERITE with CHALCOPYRITE on DOLOMITE
Tri-State District, Missouri, USA
3.7 × 4.6 × 4.3 cm,
$150
PYRITE
Butte, Silver Bow County, Montana, USA
13 × 9 × 4 cm,
$450
HEMIMORPHITE
Summit Mine, Radersburg, Broadwater County, Montana, USA
6 × 6 × 5.5 cm,
$1,500
RHODOCHROSITE on QUARTZ
Sunnyside Mine, near Silverton, San Juan County, Colorado, USA
6.5 × 5.5 × 4 cm,
$450
PYRITE with MAGNETITE on ACTINOLITE after DIOPSIDE "Uralite"
Calumet Mine, near Salida, Chaffee County, Colorado, USA
6 × 4.6 × 6.4 cm,
$150
BARITE
Colorado Springs, El Paso County, Colorado, USA
5.9 × 1.8 × 3.2 cm,
$40
CALCITE
Egremont, Cumberland, Cumbria, England
9.5 × 7.4 × 2.8 cm,
$450
COLEMANITE
Boron Open Pit, Boron, Kern County, California, USA
9.5 × 5.5 × 5.5 cm,
$1,000
HÜBNERITE
Sweet Home Mine, Alma, Park County, Colorado, USA
3.6 × 5.7 × 2.2 cm,
$200
PYRITE
Climax Mine, Fremont Pass, Lake County, Colorado, USA
5.5 × 4.5 × 4 cm,
$850