QUARTZ
Calumet Mine, near Salida, Chaffee County, Colorado, USA
2 × 5.5 × 2.5 cm,
$200
ALMANDINE
Sedalia Mine, near Salida, Chaffee County, Colorado, USA
2.5 × 2.7 × 2.5 cm,
$75
ALMANDINE
Sedalia Mine, near Salida, Chaffee County, Colorado, USA
6 × 4.5 × 4 cm,
$250
ALMANDINE
Sedalia Mine, near Salida, Chaffee County, Colorado, USA
4.5 × 5 × 3.2 cm,
$350
ALMANDINE
Sedalia Mine, near Salida, Chaffee County, Colorado, USA
5.9 × 4.1 × 3.8 cm,
$250
FERBERITE
Boulder County Tungsten District, Boulder County, Colorado, USA
2.7 × 2.2 × 1.5 cm,
$450
CALAVERITE with OTHER TELLURIDES
Gold Hill District, Boulder County, Colorado, USA
8.5 × 4 × 0.5 cm,
$600
COLORADOITE with PETZITE and CALAVERITE
Black Rose Mine, Jamestown, Boulder County, Colorado, USA
2.5 × 1.5 × 0.7 cm,
$150
GOLD with HESSITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
6.5 × 5.5 × 3.5 cm,
$750
GOLD on SPHALERITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
5 × 3.5 × 1 cm,
$450
PYRITE with SPHALERITE, GOLD and HESSITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
4 × 3 × 2.5 cm,
$150