SPHALERITE
Silver Plume, Clear Creek County, Colorado, USA
15 × 12 × 7 cm,
$3,500
FLUORITE on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
14 × 13 × 5 cm,
$600
FLUORITE on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
10 × 11 × 5 cm,
$200
POLYBASITE with SILVER on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
7.5 × 5.5 × 5 cm,
$1,250
POLYBASITE on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
5 × 5 × 4 cm,
$750
GALENA with BARITE and QUARTZ after DOLOMITE on QUARTZ
Silver Plume, Clear Creek County, Colorado, USA
5 × 4.5 × 3 cm,
$750
GOLD with SPHALERITE and PYRITE on QUARTZ
Dixie Mine, Idaho Springs, Clear Creek County, Colorado, USA
6.5 × 4 × 2.5 cm,
$750
GALENA
Mendota Mine, Silver Plume, Clear Creek County, Colorado, USA
6.5 × 5 × 3.5 cm,
$350
GOLD with SPHALERITE
Dixie Mine, Idaho Springs, Clear Creek County, Colorado, USA
3.5 × 4 × 2.5 cm,
$850
The GOLD Fields of Colorado
Colorado, USA
15 × 19.5 × 0.5 cm,
$50
QUARTZ Family Minerals by H.C. Dake, Frank L. Fleener and Ben Hur Wilson
New York, USA
14 × 20 × 2 cm,
$20