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Some species grew to enormous sizes
creating a unique geological phenomenon
Location: Sidi Lhcen Mine
Sea Urchins are a group of marine invertebrates that can be found today in nearly every major marine environment—from the poles to the equator
likely feeding on jellyfish and other soft-bodied marine organisms
2.5" Natural Rough Black Tourmaline Mineral Crystal Specimen Schorl Brazil Seed Some species grew to enormousLocation: Brazil Weight: 3. 7 Ounces Dimensions: 2. 5 Inches Long, 1. 4 Inches Wide, 1. 2 Inches Thick The item pictured is the one you will receive. Black Tourmaline, also known as Schorl, is a striking black crystal from the tourmaline family, valued for its deep color, durability, and natural luster. Found in igneous and metamorphic rocks, Black Tourmaline forms long, striated crystals with a glassy to resinous surface. With a Mohs hardness of 7 to
