GALENA
Silver Plume, Clear Creek County, Colorado, USA
9.5 × 7 × 4 cm,
$850
QUARTZ on PYRITE
Idaho Springs, Clear Creek County, Colorado, USA
9 × 6 × 4.2 cm,
$150
CHALCOPYRITE on SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
4 × 3.5 × 1.5 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
GYPSUM
#73 Shaft, Franklin Mine, Idaho Springs, Clear Creek County, Colorado, USA
5.5 × 4.4 × 1.8 cm,
$100
GOLD
Dixie Mine, Idaho Springs, Clear Creek County, Colorado, USA
4 × 3 × 3.5 cm,
$15,000
TENNANTITE with SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
5 × 4.5 × 4 cm,
$350
SIDERITE with PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
6.5 × 3.5 × 3 cm,
$150
SPHALERITE
Nabob Mine, Lawson, Clear Creek County, Colorado, USA
7 × 4 × 3.5 cm,
$600
RHODOCHROSITE with PYRITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
4 × 3.1 × 1.7 cm,
$600
RHODOCHROSITE with FLUORITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
2.5 × 2.5 × 3 cm,
$1,500