MAGNESITE
Saddleback Ridge, Floyd Hill, Clear Creek County, Colorado, USA
4.5 × 5 × 2.5 cm,
$50
TENNANTITE with SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
8 × 6 × 6 cm,
$2,500
The System of Mineralogy of James Dwight Dana, Sixth Edition by Edward Salisbury Dana (1911)
New York, USA
17.5 × 25 × 6.5 cm,
$250
SCHORL
Bald Mountain roadcut, near Idaho Springs, Clear Creek County, Colorado, USA
2 × 3.1 × 2 cm,
$75
TENNANTITE on CHALCOPYRITE with SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
14.5 × 9.5 × 4.5 cm,
$1,500
SPHALERITE with TENNANTITE and SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
8 × 7 × 3.5 cm,
$750
CHALCOPYRITE with TENNANTITE and SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
3.5 × 3 × 3 cm,
$150
TENNANTITE with CHALCOPYRITE, PYRITE and SIDERITE
Freeland-Lamartine Mine, Idaho Springs, Clear Creek County, Colorado, USA
10.5 × 5 × 4 cm,
$750
MAGNETITE
Saddleback Ridge, Floyd Hill, Clear Creek County, Colorado, USA
4.2 × 4.3 × 3.1 cm,
$100
FLUORAPATITE
Puiva Mount, near Saranpaul, Tyumenskaya Oblast, Russia
2.1 × 1.8 × 0.4 cm,
$150
ANDRADITE var. Demantoid
Antetezambato Mine, Antsakoamanondro, Ambanja, Diana Mine, Diana Region, Antsiranana Province, Madagascar
2 × 1.7 × 1.4 cm,
$1,500