Kallidecthes richardsoni Marine Shrimp - Mazon Creek Fossil 03d2c319f27a57c561cccbcbb7bc93ff Crinoids began life some 530

Crinoids began life some 530 million years ago

The idea that Opals are unlucky came about in 1829 after the publication of Scottish novelist Sir Walter Scott’s book Anne of Geierstein

Garnet are formed by metamorphism

Tullimonstrum gregarium

each piece is handcrafted using very simple tools

Kallidecthes richardsoni Marine Shrimp - Mazon Creek Fossil 03d2c319f27a57c561cccbcbb7bc93ff Crinoids began life some 530Marine Estuarine Shrimp: Fossil shrimp were first reported from the Mazon Creek area around 1860, but prior to the opening of Pit 11 in the mid 1950s, the diversity was remarkably small. Now, they are divided into robust non marine and marine estuarine groups. These fossil arthropods are preserved in full body detail or as exoskeleton molts.