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Briefly the world’s largest ship
Crinoids are members of an extended and very ancient family of sea animals known as echinoderms
with sizes ranging from pebble-sized to enormous chunks weighing more than 40 pounds
50" nodule of Fairburn Agate from the Minnelusa Formation in South Dakota
Libyan Desert Glass - SOLD 2.450" dendrite Briefly the world’s largest shipComet impact glass! 28,500,000 years old! In the southeastern spur of North Africas Great Sand Sea, there are several fields of luminous, yellow green glass known as Libyan Desert Glass (LDG). Due to the lack of any visible impact crater, the most likely source is a low density asteroid or comet airburst explosion leading to the fusion of silica rich sands roughly 28,500,000 years ago. This specimen is a 2. 450" chunk of Libyan Desert Glass. It is a
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