3.1" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Fruit Measuring around 10–15 feet (3–4

Measuring around 10–15 feet (3–4

enabling different hadrosaur species to distinguish one another

Postosuchus played a key role in maintaining the balance of its prehistoric ecosystems

The inner chambers contained gas or fluid

Meet Basilosaurus—the apex predator that terrorized Late Eocene seas 34 to 40 million years ago

3.1" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Fruit Measuring around 10–15 feet (3–4Location: 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