COVELLITE on QUARTZ
Butte, Silver Bow County, Montana, USA
6 × 3.5 × 4 cm,
$15,000
CALCITE after ENARGITE with PYRITE
Leonard Mine, Butte, Silver Bow County, Montana, USA
5 × 3.5 × 2.5 cm,
$3,500
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
SCHORL on QUARTZ var. Smoky
Jefferson County, Montana, USA
9 × 6 × 10 cm,
$750
DIOPSIDE (Stabilized)
Toll Mountain Area, near Pipestone Pass, Jefferson County, Montana, USA
3 × 3 × 4 cm,
$450
FLUORITE
William Wise Mine, Westmoreland, Cheshire County, New Hampshire, USA
11 × 8 × 5 cm,
$1,000
RHODONITE
Franklin, Sussex County, New Jersey, USA
12 × 4 × 7.5 cm,
$6,000
AZURITE with MALACHITE
Copper Queen Mine, Bisbee, Cochise County, Arizona, USA
8 × 7 × 6 cm,
$12,500
CUPRITE on COPPER
Santa Rita Mine, Santa Rita, Grant County, New Mexico, USA
5.5 × 9.5 × 1.5 cm,
$4,500
AZURITE
Blue Grotto Prospect, La Sal, San Juan County, Utah, USA
4 × 3.5 × 2 cm,
$350