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Trilobites are an extinct class of marine arthropods that thrived for nearly 270 million years
it is mined for the production of sulphuric acid for the chemistry and fertilizer industry
It is commonly found pseudomorphed to Malachite and/or Chrysocolla
55 oz and is 3
Mangano "OMGites" (OK Mud Balls) Pair cephalopod Trilobites are an extinct classOklahoma Mud Balls or OMGites are spherical cobbles found in the Wellington and Garber formations in Oklahoma. They are made of red mudstone and siltstone and can contain minerals like quartz, barite, and calcite. This specimen has been photographed with both long wave and mid wave black lights. This item is 4 x 2 and weighs 16 oz
US$ 19.95
US$ 120.95
US$ 16.50
US$ 174.50
