GALENA on SIDERITE
White Raven Mine, Ward, Boulder County, Colorado, USA
3.5 × 5 × 2 cm,
$450
SIDERITE with GALENA
Black Jack Mine, Ward, Boulder County, Colorado, USA
5.5 × 4 × 1.5 cm,
$100
SIDERITE with GALENA and BARITE
White Raven Mine, Ward, Boulder County, Colorado, USA
12 × 7 × 5 cm,
$450
HAUSMANNITE after MANGANITE
Ilfeld, Harz Mountains, Thuringia, Germany
5.8 × 5.4 × 3.2 cm,
$600
QUARTZ var. Chalcedony after CALCITE
Guanajuato, Municipio de Guanajuato, Guanajuato, Mexico
5.5 × 5.4 × 4.3 cm,
$200
GOETHITE after GYPSUM
Potosi Mine, Santa Eulalia, Municipio de Aquiles Serdán, Chihuahua, Mexico
5.3 × 5.7 × 4.7 cm,
$250
APATITE after SKORPIONITE
Skorpion Mine, Rosh Pinah, Oranjemund Constituency, Karas Region, Namibia
4.9 × 4.6 × 3.5 cm,
$350
ALMANDINE
Sedalia Mine, near Salida, Chaffee County, Colorado, USA
4.5 × 3 × 3.5 cm,
$250
TOPAZ with SPESSARTINE
Ruby Mountain, near Nathrop, Chaffee County, Colorado, USA
3 × 2.2 × 1 cm,
$250
SPESSARTINE
Ruby Mountain, near Nathrop, Chaffee County, Colorado, USA
7 × 5.5 × 3.5 cm,
$1,500
TOPAZ
Ruby Mountain, near Nathrop, Chaffee County, Colorado, USA
2.5 × 2.5 × 1.5 cm,
$150