SIDERITE on SPHALERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
3 × 2.7 × 3.1 cm,
$75
GOLD
Ibex Mine/Little Jonny Mine, Leadville, Lake County, Colorado, USA
2.5 × 1.6 × 0.5 cm,
$850
QUARTZ after CALCITE
Mineral Farm Mines, near Ouray, Ouray County, Colorado, USA
7.2 × 5.7 × 3.8 cm,
$150
FLUORITE
Crystal Peak area, Park/Teller Counties, Colorado, USA
4.3 × 6.4 × 2.6 cm,
$150
GOETHITE on QUARTZ on MICROCLINE
Devils Head, Douglas County, Colorado, USA
5.7 × 4.6 × 2.8 cm,
$75
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
2 × 5 × 1.5 cm,
$250
RHODOCHROSITE
Julia Fisk Mine, Leadville, Lake County, Colorado, USA
6.4 × 3 × 2.2 cm,
$350
RHODOCHROSITE
Julia Fisk Mine, Leadville, Lake County, Colorado, USA
6.2 × 2.6 × 2 cm,
$250
GOLD
Sunnyside Mine, near Silverton, San Juan County, Colorado, USA
7.4 × 5.3 × 0.7 cm,
$1,000
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
1.2 × 6 × 1.2 cm,
$200
QUARTZ after ANHYDRITE
Hematite Gulch, near Howardsville, San Juan County, Colorado, USA
8.6 × 4.5 × 3.5 cm,
$150