SPHALERITE
Nabob Mine, Lawson, Clear Creek County, Colorado, USA
7 × 4 × 3.5 cm,
$600
SILVER on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
3.5 × 2.5 × 3 cm,
SOLD
TENNANTITE with SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
5 × 4.5 × 4 cm,
$350
CHALCOPYRITE on SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
4 × 3.5 × 1.5 cm,
$100
PYRARGYRITE on CHALCOPYRITE and SIDERITE
Nabob Mine, Lawson, Clear Creek County, Colorado, USA
7 × 4 × 3 cm,
SOLD
CHALCOPYRITE with QUARTZ
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
4.5 × 4.5 × 3 cm,
$450
FERBERITE on QUARTZ
Eureka Mine, Boulder County, Colorado, USA
4.2 × 3 × 2.5 cm,
SOLD
PYRITE on QUARTZ
Stanley Mine, Idaho Springs, Clear Creek County, Colorado, USA
3.2 × 3.2 × 1.5 cm,
SOLD
SIDERITE with PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
6.5 × 3.5 × 3 cm,
$150
GOLD
Dixie Mine, Idaho Springs, Clear Creek County, Colorado, USA
4 × 3 × 3.5 cm,
$15,000
RHODOCHROSITE with FLUORITE
Urad Mine, near Empire, Clear Creek County, Colorado, USA
2.5 × 2.5 × 3 cm,
$1,500