SPHALERITE
Silver Plume, Clear Creek County, Colorado, USA
15 × 12 × 7 cm,
$3,500
Quarterly of the Colorado School of Mines, Volume 69, Number 3 and 4 (2 books) July 1974
Colorado, USA
23 × 15 × 1.5 cm,
$50
Creede - The History of a Colorado SILVER Mining Town by Nolie Mumey
Colorado, USA
16 × 24 × 2 cm,
$150
RHODOCHROSITE on CHALCOPYRITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
24 × 13 × 3 cm,
$2,500
SPHALERITE var. Schalenblende
Eagle Mine, Gilman, Eagle County, Colorado, USA
25 × 17 × 5 cm,
$2,500
Olden Times in Colorado by Carlyle Channing Davis
California, USA
16 × 24 × 6 cm,
$450
SPHALERITE with SIDERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
11 × 7 × 6 cm,
$750
BARITE
Bulldog Mine, Creede, Mineral County, Colorado, USA
17 × 11 × 10 cm,
$1,250
FLUORITE on QUARTZ
Sunnyside Mine, near Silverton, San Juan County, Colorado, USA
26 × 15 × 10 cm,
$850
SIDERITE with CHALCOPYRITE on QUARTZ
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
10 × 6.5 × 4 cm,
$350
PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
4.5 × 4.5 × 3 cm,
$250