3.1" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Hadrosaurus Among several hypotheses regarding the

Among several hypotheses regarding the purpose of lambeosaurine crests

giant marine reptiles

Each specimen provides a window into prehistoric oceans

Shape ranges from rounded to oval

3.1" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Hadrosaurus Among several hypotheses regarding theLocation: 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