GALENA
Mendota Mine, Silver Plume, Clear Creek County, Colorado, USA
4.1 × 2.4 × 2.6 cm,
$200
GALENA
Mendota Mine, Silver Plume, Clear Creek County, Colorado, USA
3.7 × 4 × 2.5 cm,
$350
MAGNETITE
Floyd Hill, Clear Creek County, Colorado, USA
4.5 × 5 × 4 cm,
$75
QUARTZ on PYRITE
Idaho Springs, Clear Creek County, Colorado, USA
9 × 6 × 4.2 cm,
$150
DOLOMITE on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
8 × 4.2 × 4.7 cm,
$150
DOLOMITE with CHALCOPYRITE on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
6.4 × 5.6 × 2.5 cm,
$250
SPHALERITE
Nabob Mine, Lawson, Clear Creek County, Colorado, USA
7 × 4 × 3.5 cm,
$600
SIDERITE with PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
6.5 × 3.5 × 3 cm,
$150
GYPSUM
#73 Shaft, Franklin Mine, Idaho Springs, Clear Creek County, Colorado, USA
5.5 × 4.4 × 1.8 cm,
$100
CHALCOPYRITE on QUARTZ (repaired)
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
6.3 × 5.4 × 4.4 cm,
$2,500
GOLD
Dixie Mine, Idaho Springs, Clear Creek County, Colorado, USA
4 × 3 × 3.5 cm,
$15,000