TENNANTITE on CHALCOPYRITE with SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
14.5 × 9.5 × 4.5 cm,
$1,500
MAGNETITE
Saddleback Ridge, Floyd Hill, Clear Creek County, Colorado, USA
4.2 × 4.3 × 3.1 cm,
$100
MAGNETITE
Saddleback Ridge, Floyd Hill, Clear Creek County, Colorado, USA
3.6 × 5 × 3.8 cm,
$40
SCHORL
Bald Mountain roadcut, near Idaho Springs, Clear Creek County, Colorado, USA
2 × 3.1 × 2 cm,
$75
MAGNETITE
Saddleback Ridge, Floyd Hill, Clear Creek County, Colorado, USA
3 × 2.7 × 2.5 cm,
$50
MAGNESITE
Saddleback Ridge, Floyd Hill, Clear Creek County, Colorado, USA
4.5 × 5 × 2.5 cm,
$50
TENNANTITE with CHALCOPYRITE, PYRITE and SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
10.5 × 5 × 4 cm,
$750
RHODOCHROSITE
Climax Mine, Fremont Pass, Lake County, Colorado, USA
16 × 11 × 8 cm,
$750
CERUSSITE
near Patagonia, Santa Cruz County, Arizona, USA
15 × 8 × 7 cm,
$2,000
BERYL var. Morganite with QUARTZ and ALBITE on MICROCLINE
Elizabeth R. Mine, Pala District, San Diego County, California, USA
9 × 8 × 14 cm,
$12,500
FLUORITE with BARITE
Cave-In-Rock, Hardin County, Illinois, USA
14 × 11 × 8 cm,
$2,500