SPHALERITE
Nabob Mine, Lawson, Clear Creek County, Colorado, USA
3.3 × 2.7 × 1.7 cm,
$100
PYRITE
Alice Mine, near Idaho Springs, Clear Creek County, Colorado, USA
2.3 × 2 × 2.5 cm,
$200
SPHALERITE
Nabob Mine, Lawson, Clear Creek County, Colorado, USA
3 × 2 × 2.5 cm,
$150
ZIRCON
near Colorado Springs, El Paso County, Colorado, USA
5 × 2.5 × 3.5 cm,
$450
FLUORAPATITE on QUARTZ
125' Level, Palermo Mine, Groton, Grafton County, New Hampshire, USA
8.5 × 6.5 × 3.5 cm,
$850
FLUORITE with CALCITE
Minerva #1 Mine, Cave-In-Rock, Hardin County, Illinois, USA
9.9 × 7.5 × 8.2 cm,
$3,500
LIDDICOATITE
Anjanabonoina Pegmatites, Ambohimanambola Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
5.5 × 6 × 7.5 cm,
$3,500
SULFUR
Agrigento, Agrigento Province, Sicily, Italy
9.5 × 7.5 × 7 cm,
$2,500
FLUORITE
Cave-In-Rock, Hardin County, Illinois, USA
6.5 × 5 × 5.5 cm,
$450
SIDERITE with PYRITE
Infiernillos Mine, Colavi Mining District, Cornelio Saavedra Province, Potosà Department, Bolivia
7.5 × 8.5 × 5.5 cm,
$350
HEMATITE with QUARTZ
Cleator Moor, Cumberland, Cumbria, England
10 × 10 × 6.5 cm,
$3,500