HEMIMORPHITE
Wolftone Mine, Leadville, Lake County, Colorado, USA
8 × 7 × 7 cm,
$2,500
BARITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
15 × 18 × 5 cm,
$1,250
QUARTZ Geode "Thunder Egg" (pair)
Dugway geode beds, Dugway Pass area, Juab County, Utah, USA
26 × 12 × 5 cm,
$250
Minerals of Colorado by Edwin B. Eckel
Colorado, USA
21 × 28 × 5 cm,
$200
The World's Finest Minerals and Crystals by Peter Bancroft
New York, USA
24 × 28 × 2 cm,
$35
Gem & Crystal Treasures by Peter Bancroft
California, USA
23 × 28 × 3 cm,
$150
Glossary of Mineral Species 1971 by Michael Fleischer
Maryland, USA
13.5 × 20 × 1 cm,
$20
The Story of the Minerals by Herbert P. Whitlock
New York, USA
14 × 20 × 1 cm,
$20
BARITE
Douglas County, Colorado, USA
8.5 × 9.2 × 3.5 cm,
$250
BARITE
Douglas County, Colorado, USA
12 × 5.1 × 3.7 cm,
$250
TOPAZ
Devils Head, Douglas County, Colorado, USA
4.5 × 5 × 4.7 cm,
$2,000