GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
2 × 5 × 1.5 cm,
$250
QUARTZ after CALCITE
Mineral Farm Mines, near Ouray, Ouray County, Colorado, USA
7.2 × 5.7 × 3.8 cm,
$150
RHODOCHROSITE
Julia Fisk Mine, Leadville, Lake County, Colorado, USA
6.2 × 2.6 × 2 cm,
$250
QUARTZ after ANHYDRITE
Hematite Gulch, near Howardsville, San Juan County, Colorado, USA
8.6 × 4.5 × 3.5 cm,
$150
QUARTZ var. Onegite on GOETHITE
Douglas County, Colorado, USA
3.9 × 5.2 × 2.5 cm,
$100
FLUORITE on MICROCLINE
Crystal Peak area, near Lake George, Teller County, Colorado, USA
7 × 7 × 5 cm,
$350
COVELLITE
Summitville, Rio Grande County, Colorado, USA
7.9 × 4.5 × 5 cm,
$1,500
QUARTZ after ANHYDRITE
Animas District, San Juan County, Colorado, USA
9.3 × 4.7 × 3.6 cm,
$200
SPHALERITE with GALENA
Commodore Mine, Creede, Mineral County, Colorado, USA
12.7 × 9.5 × 2.6 cm,
$450
QUARTZ after FLUORITE
Genoa Mine, San Juan County, Colorado, USA
9 × 5.7 × 4 cm,
$200
FLUORITE
Jackson Creek, Douglas County, Colorado, USA
7.2 × 8 × 3.5 cm,
$200