QUARTZ var. Amethyst
Pohndorf Mine, Jefferson County, Montana, USA
5.5 × 7.5 × 3 cm,
$750
DIGENITE
Butte, Silver Bow County, Montana, USA
4 × 3.5 × 3 cm,
$12,500
COPPER after CUPRITE with CUPRITE
Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Kray, Russia
4 × 4 × 2.5 cm,
$3,500
MALACHITE after AZURITE
near Clifton, Clifton-Morenci District, Greenlee County, Arizona, USA
2.5 × 2 × 2.5 cm,
$600
RUTILE after BROOKITE
Magnet Cove, Hot Springs County, Arkansas, USA
3.5 × 3 × 2.5 cm,
$450
manganoan CALCITE
Dal'negorsk, Primorskiy Kray, Russia
10.5 × 8 × 4 cm,
$750
CUPRITE with SILVER on COPPER
Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Kray, Russia
7 × 6 × 3.5 cm,
$6,000
CUPRITE with SILVER and COPPER
Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Kray, Russia
4.5 × 5 × 3.5 cm,
$6,000
CUPRITE with COPPER after CUPRITE
Block 2-1, 100 m down, Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Kray, Russia
3.5 × 3.5 × 3 cm,
$2,000
CUPRITE with MARSHITE
Block 2-1, 100 m down, Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Kray, Russia
3.5 × 2 × 2.5 cm,
$850
MARSHITE
Rubtsovskoe Mine, Rudnyi Altai, Altaiskii Kray, Russia
12 × 8.5 × 5 cm,
$6,500