1.9" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Otodus Shark Petoskey Stones are remarkable fossils

Petoskey Stones are remarkable fossils

When threatened

With a Mohs hardness of 5

it is frequently incorporated into necklaces

erythrite also captivates in purple

1.9" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Otodus Shark Petoskey Stones are remarkable fossilsLocation: Brazil Weight: 2. 2 Ounces Dimensions: 1. 9 Inches Long, 1. 4 Inches Wide, 0. 9 Inches Thick The item pictured is the one you will receive. Black Tourmaline, also known as Schorl, is a well known tourmaline mineral with deep black to dark brown coloration, occurring in both igneous and metamorphic rocks. Its striated prismatic crystal formation and glassy to resinous luster make it a classic study mineral for geologists and mineralogists.