CALAVERITE with OTHER TELLURIDES
Gold Hill District, Boulder County, Colorado, USA
8.5 × 4 × 0.5 cm,
$600
GOLD with HESSITE and PETZITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
9 × 5.5 × 2 cm,
$850
TELLURIUM with SYLVANITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
10 × 7.5 × 3.5 cm,
$2,000
PYRITE with SPHALERITE, GOLD and HESSITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
4 × 3 × 2.5 cm,
$150
GOLD on SPHALERITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
5 × 3.5 × 1 cm,
$450
GOLD with HESSITE
Rex Mine, Gold Hill, Gold Hill District, Boulder County, Colorado, USA
6.5 × 5.5 × 3.5 cm,
$750
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
2.2 × 6 × 1.6 cm,
$350
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
8 × 3.3 × 4.9 cm,
$850
GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
1.6 × 4.1 × 1.4 cm,
$200
FLUORITE with CHALCOPYRITE
2nd Crosscut, Sweet Home Mine, Alma, Park County, Colorado, USA
6.2 × 7.9 × 3.4 cm,
$450
PYRITE
C-470 & Highway 285, near Morrison, Jefferson County, Colorado, USA
7.5 × 8.2 × 1.4 cm,
$100