GOLD with HESSITE and PETZITE
Gold Hill, Gold Hill District, Boulder County, Colorado, USA
5.7 × 5 × 2.5 cm,
$1,500
ALTAITE with SYLVANITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
3 × 2.3 × 1.5 cm,
$750
QUARTZ after CALCITE
Crystal Cave, Ouray, Ouray County, Colorado, USA
6.2 × 4.1 × 4.1 cm,
$250
SAMARSKITE-(Y)
Burroughs Mine, Jefferson County, Colorado, USA
4.5 × 4 × 3 cm,
$350
DOLOMITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
4.4 × 5 × 3.4 cm,
$450
QUARTZ var. Amethyst
Hurricane Pass, Eureka Gulch, San Juan County, Colorado, USA
2.2 × 4.8 × 1.6 cm,
$100
GOETHITE
Crystal Creek, Crystal Peak area, near Lake George, Teller County, Colorado, USA
7.1 × 5.5 × 4.2 cm,
$450
RHODOCHROSITE
Julia Fisk Mine, Leadville, Lake County, Colorado, USA
6.3 × 3.4 × 2.5 cm,
$200
RHODOCHROSITE on QUARTZ
Champion Mine, Lake City, Hinsdale County, Colorado, USA
3.2 × 4.6 × 2.9 cm,
$250
FLUORAPATITE with BARITE and GALENA on PYRITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
4.5 × 2.5 × 4 cm,
$450
STILBITE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
3.4 × 2 × 3 cm,
$250