CHALCOPYRITE with SIDERITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
3.5 × 2.5 × 3.5 cm,
$600
BARITE
Bulldog Mine, Creede, Mineral County, Colorado, USA
17 × 11 × 10 cm,
$1,250
SIDERITE with CHALCOPYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
4 × 3.5 × 2.5 cm,
$150
SPHALERITE with SIDERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
11 × 7 × 6 cm,
$750
PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
3.5 × 4 × 2.5 cm,
$250
CHALCOPYRITE with PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
3.5 × 2.5 × 2 cm,
$1,250
MAGNETITE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
18 × 7 × 7.5 cm,
$450
FERBERITE
Chance Mine, Boulder County, Colorado, USA
7 × 2.8 × 5.1 cm,
$250
PHENAKITE with MUSCOVITE and LIMONITE after PYRITE
Mount Antero, Chaffee County, Colorado, USA
8.5 × 8 × 5 cm,
$1,250
MUSCOVITE on ALBITE
Blue Eagle Claim, Mount Antero, Chaffee County, Colorado, USA
13 × 10 × 12 cm,
$1,500
FLUORITE on ALBITE
Bristlecone Overhang, Mt. White, Mt. Antero area, Chaffee County, Colorado, USA
10.5 × 8 × 5 cm,
$1,000