by sysadmin | Mar 23, 2016 | Blog
Pink Chalcedony “Cup”- (sometimes known as a Chalcedony rose) Yankee Dog Claim, Hidalgo County, New Mexico. 9 cm x 7 cm Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and...
by sysadmin | Mar 22, 2016 | Blog
PEBBLE HAND AXE- Grenade- Haute Garonne Terraces, France. Oldowan Period- 600,000 – 400,000 years ago. Material- Quartzite. 12 cm x 12 cm This tool was was fashioned by Homo erectus in the Early Acheulian tradition of the Lower Paleolithic Period. This tool was...
by sysadmin | Mar 22, 2016 | Blog
Cerussite with Langite and Brochantite-Close up- Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia. This specimen hosts many other mineral specimens as well including Quartz, Pyrite and Tennantite.
by sysadmin | Mar 21, 2016 | Blog
Petrified wood- Dockum Formation, Canadian River, Amarillo, Texas Triassic period. 7.5″ across
by sysadmin | Mar 20, 2016 | Blog
Malachite after Azurite- Tsumeb, Namibia 13 cm across
