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- USA
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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
~410 million years ago (Devonian Period):Corals re-emerged and formed their first extensive reef systems
including its upturned mouth
A Collector's Dream: From the detailed Elrathia of Utah to the spectacular spined Walliserops of Morocco
including several Crocodiles
3.1" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Cave bear ~410 million years ago (DevonianLocation: Brazil Weight: 6. 8 Ounces Dimensions: 3. 1 Inches Long, 1. 6 Inches Wide, 1. 4 Inches Thick The item pictured is the one you will receive. Black Tourmaline, or Schorl, is a common but remarkable member of the tourmaline group, found in igneous and metamorphic rocks. Its natural striated crystals, deep black to dark brown color, and glassy to resinous luster make it a classic mineral for study, collection, and jewelry. Black Tourmaline has a
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