BARITE
Colorado Springs, El Paso County, Colorado, USA
5.9 × 1.8 × 3.2 cm,
$40
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
BARITE
New Raymer, near Stoneham, Weld County, Colorado, USA
6.5 × 6 × 4.5 cm,
$250
CHRYSOCOLLA
Wapaca Mine, Buena Vista, Chaffee County, Colorado, USA
13 × 6.5 × 5 cm,
$350
CHRYSOCOLLA with AZURITE
Wapaca Mine, Buena Vista, Chaffee County, Colorado, USA
9 × 13.5 × 4 cm,
$350
BARITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
10 × 7 × 7 cm,
$1,250
CALCITE on QUARTZ
Idarado Mine, Telluride, San Miguel County, Colorado, USA
10.8 × 6.9 × 8.8 cm,
$150
RHODOCHROSITE with HÜBNERITE and QUARTZ
Sweet Home Mine, Alma, Park County, Colorado, USA
10 × 6 × 4.5 cm,
$1,250
GOLD in ARSENOPYRITE
Colorado Quartz Mine, Colorado, Mariposa County, California, USA
7.5 × 4.5 × 3 cm,
$35,000
CHALCOPYRITE on FLUORAPATITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
1.5 × 2.6 × 1.8 cm,
$450