Septarian Sphere Science Kits Celebrate the artistry of minerals

Celebrate the artistry of minerals and modern design with the Amethyst Ring Necklace

Includes a wooden stand for elegant display on desks

and family game play

Explore elements and compounds

Septarian Sphere Science Kits Celebrate the artistry of mineralsThis sphere is carved from septarian, a unique rock formed from a combination of minerals including calcite, aragonite, and limestone. Septarian nodules develop when mineral rich mud cracks and fills with calcite or aragonite over millions of years, creating striking patterns of yellow, brown, and gray. Why you'll love this: Material: Septarian (limestone with calcite and aragonite) Size: Approximately 2 to 2. 5 inches in diameter Appearance: Polished