Septarian Sphere Science Kits Explore elements and compounds

Explore elements and compounds

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

A graceful piece that brings the beauty of blooming roses into a wearable everyday accessory

Adds a distinctive

Septarian Sphere Science Kits Explore elements and compoundsThis 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