BORNITE on PYRITE
Steward Mine, Butte, Silver Bow County, Montana, USA
5.5 × 4 × 2 cm,
$3,500
AZURITE with MALACHITE
Morenci, Shannon Mountains, Greenlee County, Arizona, USA
6.5 × 9 × 9 cm,
$6,000
MALACHITE after AZURITE
Bisbee, Cochise County, Arizona, USA
8.5 × 6 × 6 cm,
$2,500
NEPTUNITE
Dallas Gem Mine, San Benito County, California, USA
6 × 4.5 × 4 cm,
$3,500
COVELLITE (repaired)
Butte, Silver Bow County, Montana, USA
10 × 5 × 3 cm,
$45,000
SPESSARTINE with SCHORL & ALBITE var. Cleavelandite
Little Three Mine, Ramona District, San Diego County, California, USA
6.5 × 4 × 5 cm,
$35,000
CASSITERITE with ALBITE var. Cleavelandite on ELBAITE
Himalaya Mine, Mesa Grande District, San Diego County, California, USA
2 × 2 × 4.5 cm,
$12,500
QUARTZ var. Amethyst on QUARTZ var. Smoky
Delmoe Lake area, Boulder Batholith, Jefferson County, Montana, USA
13 × 8 × 8 cm,
$8,500
HEMIMORPHITE
Summit Mine, Radersburg, Broadwater County, Montana, USA
6 × 6 × 5.5 cm,
$1,500
PYRITE
Butte, Silver Bow County, Montana, USA
13 × 9 × 4 cm,
$450
GOLD in ARSENOPYRITE
Colorado Quartz Mine, Colorado, Mariposa County, California, USA
7.5 × 4.5 × 3 cm,
$35,000