TOPAZ
Devils Head, Douglas County, Colorado, USA
2 × 3.1 × 2.5 cm,
$200
TOPAZ
Devils Head, Douglas County, Colorado, USA
2.6 × 2.9 × 2.2 cm,
$350
TOPAZ
Devils Head, Douglas County, Colorado, USA
2.3 × 2.9 × 1.8 cm,
$450
TOPAZ
Devils Head, Douglas County, Colorado, USA
2.4 × 3.9 × 2.7 cm,
$750
The Story of the Minerals by Herbert P. Whitlock
New York, USA
14 × 20 × 1 cm,
$20
TOPAZ
Devils Head, Douglas County, Colorado, USA
2.4 × 2.1 × 2.9 cm,
$350
TOPAZ
Devils Head, Douglas County, Colorado, USA
1.7 × 2.5 × 2.2 cm,
$350
BARITE
Douglas County, Colorado, USA
8.5 × 9.2 × 3.5 cm,
$250
TOPAZ
Devils Head, Douglas County, Colorado, USA
2.5 × 2.3 × 1.7 cm,
$350
BARITE
Douglas County, Colorado, USA
12 × 5.1 × 3.7 cm,
$250
FLUORITE
Fort Wayne, Allen County, Indiana, USA
2.8 × 2.7 × 2 cm,
$250