4.4" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Calcite ideal for geological study and

ideal for geological study and educational collections

market dynamics have changed due to treatments (such as dyeing)

clams drew water through their bodies to extract nourishment from microscopic plankton and organic matter suspended in ancient seas

trilobites remain one of the most recognizable and sought-after fossil arthropods

ejecting them into space

4.4" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Calcite ideal for geological study andLocation: Brazil Weight: 4. 5 Ounces Dimensions: 4. 4 Inches Long, 1. 2 Inches Wide, 1. 1 Inches Thick The item pictured is the one you will receive. Black Tourmaline is a striking gemstone for jewelry design, renowned for its bold black color, resilience, and unique crystal structure. This member of the tourmaline family occurs in igneous and metamorphic rocks and features long, striated prismatic crystals with a glassy to resinous luster. With a