COVELLITE
Butte, Silver Bow County, Montana, USA
5.5 × 3 × 3 cm,
$17,500
PYRITE
Butte, Silver Bow County, Montana, USA
7 × 5 × 4.5 cm,
$2,000
PYRITE
Mountain Con Mine, Butte, Silver Bow County, Montana, USA
5.5 × 4 × 3 cm,
$250
ENARGITE
Leonard Mine, Butte, Silver Bow County, Montana, USA
7 × 5 × 3 cm,
$10,000
PYRITE and CHALCOCITE after ENARGITE (?) on QUARTZ
Leonard Mine, Butte, Silver Bow County, Montana, USA
7 × 5 × 5 cm,
$7,500
ENARGITE
Butte, Silver Bow County, Montana, USA
7 × 7 × 4 cm,
$6,000
RHODOCHROSITE
Philipsburg, Granite County, Montana, USA
12 × 9 × 6 cm,
$8,500
SILVER with COPPER
Keweenaw County, Michigan, USA
5 × 4 × 9 cm,
$12,500
DIOPSIDE (Stabilized)
Toll Mountain Area, near Pipestone Pass, Jefferson County, Montana, USA
3 × 3 × 4 cm,
$450
SCHORL on QUARTZ var. Smoky
Jefferson County, Montana, USA
9 × 6 × 10 cm,
$750
RHODONITE
Franklin, Sussex County, New Jersey, USA
12 × 4 × 7.5 cm,
$6,000