Description
It has great variation of colors
Locality: Dominican Republic
Malachite Lion Carving
the organic material in these shells underwent mineralization
Scoria forms as part of a lava flow usually near the surface of the flow
Polished Dugway Geode Half DX231 gold sheen obsidian It has great variation ofDugway 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),