SILVER
Spain
7.5 × 12.8 × 4.8 cm,
$350
COPPER
Keweenaw Peninsula, Michigan, USA
10 × 2 × 17 cm,
$2,500
manganoan CALCITE
Nikolaevskiy Mine, Dal'negorsk, Primorskiy Kray, Russia
10.1 × 5 × 6.1 cm,
$350
RHODOCHROSITE
Butte, Silver Bow County, Montana, USA
10.5 × 8.6 × 6.7 cm,
$850
HEMIMORPHITE
Ojuela Mine, Mapimí, Municipio de Mapimí, Durango, Mexico
9.5 × 10.5 × 6 cm,
$1,500
SEMSEYITE
Sasar Mine, Baia Sprie (formerly Felsöbánya), Maramureș County, Romania
12.5 × 2.5 × 7 cm,
$750
ACANTHITE
270 Level, Santa Elena Vein, Proaño Mine, Fresnillo, Municipio de Fresnillo, Zacatecas, Mexico
7.5 × 6.8 × 3.4 cm,
$2,500
SULFUR
Cozzodisi Mine, Casteltermini, Agrigento Province, Sicily, Italy
9.5 × 6.5 × 5.5 cm,
$2,000
BARITE
Northumberland Mine, Nye County, Nevada, USA
12 × 7 × 8 cm,
$450
CUPRITE
Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Kray, Russia
2.4 × 2.4 × 2.1 cm,
$250
PAINITE
Kyauk Sin, near Mogok, Myanmar (formerly Burma)
1.1 × 2.8 × 1.2 cm,
$750