TENNANTITE with SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
5 × 4.5 × 4 cm,
$350
SILVER on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
3.5 × 2.5 × 3 cm,
SOLD
CHALCOPYRITE on QUARTZ (repaired)
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
6.3 × 5.4 × 4.4 cm,
$2,500
FERBERITE on QUARTZ
Eureka Mine, Boulder County, Colorado, USA
4.2 × 3 × 2.5 cm,
SOLD
SPHALERITE
Nabob Mine, Lawson, Clear Creek County, Colorado, USA
7 × 4 × 3.5 cm,
$600
CHALCOPYRITE with QUARTZ
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
4.5 × 4.5 × 3 cm,
SOLD
RHODOCHROSITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
5.5 × 2.5 × 3.2 cm,
$1,500
RHODOCHROSITE with PYRITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
4 × 3.1 × 1.7 cm,
$600
RHODOCHROSITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
14.5 × 6 × 17 cm,
$2,000
RHODOCHROSITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
7 × 5 × 3 cm,
$750
RHODOCHROSITE with FLUORITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
2.5 × 2.5 × 3 cm,
$1,500