GOLD with SPHALERITE
Dixie Mine, Idaho Springs, Clear Creek County, Colorado, USA
3.5 × 4 × 2.5 cm,
$850
CHALCOCITE
Leonard Mine, Butte, Silver Bow County, Montana, USA
2.6 × 2.2 × 2.2 cm,
$1,250
HÜBNERITE
Pasto Bueno District, Pallasca Province, Ancash Department, Peru
1.8 × 2.9 × 1.3 cm,
$200
CASSITERITE
Ximeng County, Pu'er Prefecture, Yunnan Province, China
2.2 × 2 × 1.6 cm,
$750
ELBAITE
Pederneira Mine, São José da Safira, Minas Gerais, Brazil
1.3 × 3 × 1.2 cm,
$2,500
Quarterly of the Colorado School of Mines, Volume 69, Number 3 and 4 (2 books) July 1974
Colorado, USA
23 × 15 × 1.5 cm,
$50
SPERRYLITE
Broken Hammer Property, Val Caron, Sudbury District, Ontario, Canada
2.4 × 1.7 × 2.1 cm,
$8,500
BERYL var. Heliodor
Agua Vermelha (?), Minas Gerais, Brazil
0.6 × 2.8 × 0.8 cm,
$350
Life and Times of Hannibal Hamlin by Charles Eugene Hamlin
Massachusetts, USA
25 × 17 × 5 cm,
$200
WHEWELLITE
Bohemia, Czech Republic
1.8 × 2.6 × 0.4 cm,
$1,250
ULEXITE on COLEMANITE
Corkscrew Mine, Furnace Creek Wash, Death Valley, Inyo County, California, USA
2.8 × 1.8 × 2.6 cm,
$200