4.7" Rough Purple Amethyst Crystal Cluster Mineral Specimen Brazil Self Standing Glyptodon Its teeth were specialized for

Its teeth were specialized for piercing rather than cutting

Most Paleozoic crinoids attached themselves to ocean floor substrates

which consists of stiff branches interconnected by narrower crossbars called dissepiments

including a central columella and fine radiating septae

7 Inches Thick (Matriz)

4.7" Rough Purple Amethyst Crystal Cluster Mineral Specimen Brazil Self Standing Glyptodon Its teeth were specialized forLocation: Brazil Weight: 2 Pounds 5. 4 Ounces Dimensions: 4. 7 Inches Long, 4. 5 Inches Wide, 3. 1 Inches Thick The item pictured is the one you will receive. Amethyst Amethyst is a naturally occurring purple variety of quartz celebrated for its striking color, crystal formations, and long standing popularity as a gemstone. Composed of silicon dioxide (SiO), amethyst forms under specific geological conditions that allow iron impurities and natural