Description
the organic material in these shells underwent mineralization
Each piece is made with
Dimensions: 18 x 32 x 9 mm (bale is approx
Malachite Lion Carving
Polished Dugway Geode Half DX231 gold sheen obsidian the organic material in theseDugway Geode Approx. Dimensions: 3. 5 x 3. 5 x 2" Approx. Weight: 474 grams Locality: Dugway Geode Beds, Juab County, Utah Includes three prong geode stand This piece reacts to short and long wave ultraviolet light, shown in the last two photos. Many portions of the inside of the geode glow a vibrant green. The fluorescence is due to trace amounts of uranium present in the quartz and chalcedony. Approximately 6 to 8 million years ago (Miocene epoch),