SIDERITE with CHALCOPYRITE on QUARTZ
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
10 × 6.5 × 4 cm,
$350
SPHALERITE with SIDERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
11 × 7 × 6 cm,
$750
SIDERITE on CHALCOPYRITE and PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
7.5 × 6 × 5 cm,
$1,000
PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
3.5 × 4 × 2.5 cm,
$250
PYRITE (repaired)
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
3 × 3 × 1.5 cm,
$350
BARITE
Bulldog Mine, Creede, Mineral County, Colorado, USA
17 × 11 × 10 cm,
$1,250
FLUORITE on QUARTZ
Mount Antero, Chaffee County, Colorado, USA
12 × 12 × 13 cm,
$2,500
MUSCOVITE on ALBITE
Blue Eagle Claim, Mount Antero, Chaffee County, Colorado, USA
13 × 10 × 12 cm,
$1,500
PHENAKITE with MUSCOVITE and LIMONITE after PYRITE
Mount Antero, Chaffee County, Colorado, USA
8.5 × 8 × 5 cm,
$1,250
FLUORITE on ALBITE
Bristlecone Overhang, Mt. White, Mt. Antero area, Chaffee County, Colorado, USA
10.5 × 8 × 5 cm,
$1,000
FERBERITE
Chance Mine, Boulder County, Colorado, USA
7 × 2.8 × 5.1 cm,
$250