manganoan CALCITE
Montreal Mine, Montreal, Iron County, Wisconsin, USA
4.6 × 7.1 × 4.8 cm,
SOLD
COPPER in CALCITE
Keweenaw Peninsula, Michigan, USA
4.6 × 5.6 × 2.6 cm,
SOLD
PSILOMELANE
Negaunee, Marquette County, Michigan, USA
7.7 × 6.6 × 5.3 cm,
SOLD
SILVER on COPPER
Calumet & Hecla Mine, Calumet, Houghton County, Michigan, USA
3.8 × 8.2 × 2.5 cm,
SOLD
COPPER (SPINEL Twin)
Ray Mine, Pinal County, Arizona, USA
1 × 5.5 × 0.7 cm,
SOLD
SIDERITE
2300' Level, Junction Mine, Bisbee, Cochise County, Arizona, USA
13.5 × 7.5 × 4.5 cm,
SOLD
MALACHITE
Czar Shaft, Copper Queen Mine, Bisbee, Cochise County, Arizona, USA
6 × 5.5 × 3.5 cm,
SOLD
HEMATITE on QUARTZ
Quartzsite, La Paz County, Arizona, USA
3.8 × 3 × 2 cm,
$1,500
PYRITE
Magma Mine, Superior, Pinal Mountains, Pinal County, Arizona, USA
6 × 5.6 × 4.5 cm,
SOLD
LINARITE
Grand Reef Mine, near Klondyke, Aravaipa District, Graham County, Arizona, USA
6 × 2.9 × 1.5 cm,
$2,500
MALACHITE after AZURITE
1100' Level, Sacramento Shaft, Bisbee, Cochise County, Arizona, USA
3 × 5.5 × 1 cm,
SOLD