COPPER
Franklin Mine, Franklin, Houghton County, Michigan, USA
4 × 3 × 2 cm,
$1,500
COPPER
Ojibway Mine, Keweenaw County, Michigan, USA
3 × 11.5 × 1.5 cm,
SOLD
COPPER after ANHYDRITE?
Phoenix Mine, near Eagle Harbor, Keweenaw County, Michigan, USA
11 × 9 × 3 cm,
SOLD
COPPER
Phoenix Mine, near Eagle Harbor, Keweenaw County, Michigan, USA
6.5 × 2.5 × 1.5 cm,
SOLD
COPPER
Phoenix Mine, near Eagle Harbor, Keweenaw County, Michigan, USA
3.5 × 4.5 × 4.5 cm,
SOLD
COPPER (SPINEL twins) with ANALCIME
Central Mine, Central, Keweenaw County, Michigan, USA
4.5 × 4 × 3 cm,
$2,500
COPPER on PREHNITE
Osceola Mine?, Osceola, Houghton County, Michigan, USA
4.5 × 3 × 3 cm,
SOLD
COPPER on ANALCIME
Phoenix Mine, near Eagle Harbor, Keweenaw County, Michigan, USA
4.5 × 2.5 × 2 cm,
SOLD
COPPER
Phoenix Mine, near Eagle Harbor, Keweenaw County, Michigan, USA
3 × 4 × 2 cm,
SOLD
COPPER on ANALCIME
Phoenix Mine, near Eagle Harbor, Keweenaw County, Michigan, USA
10 × 7.5 × 4.5 cm,
SOLD
CALCITE with COPPER on PREHNITE
Phoenix Mine, near Eagle Harbor, Keweenaw County, Michigan, USA
7 × 7.5 × 4 cm,
SOLD