DIOPSIDE with MAGNETITE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
7.5 × 5 × 5.5 cm,
$75
FERBERITE
Oregon Mine, Boulder County Tungsten District, Boulder County, Colorado, USA
7.5 × 5 × 3.5 cm,
$850
FERBERITE
Hoosier Mine, Boulder County, Colorado, USA
4 × 3.5 × 2.5 cm,
$1,250
FERBERITE
Hoosier Mine, Boulder County, Colorado, USA
2.1 × 2.4 × 1.7 cm,
$750
EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
3.3 × 2.5 × 2.4 cm,
$50
QUARTZ with EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
3.5 × 4.5 × 2.5 cm,
$150
QUARTZ with EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
4 × 5 × 1.5 cm,
$350
EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
4.5 × 3.5 × 3.2 cm,
$200
QUARTZ with EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
4 × 3 × 4 cm,
$150
EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
3.5 × 3 × 3.5 cm,
$100
EPIDOTE
Calumet Mine, near Salida, Chaffee County, Colorado, USA
3.5 × 3.5 × 2.5 cm,
$75