Magnitite with Rhodonite Tooth Sea biscuits are less flattened

Sea biscuits are less flattened and more rounded than a sand dollar

calcium & Aragonite

The unique blue coloration is caused by a copper substitution for calcium with white patterns or streaks

8 inches in length

is formed through a natural process of pseudomorphism

Magnitite with Rhodonite Tooth Sea biscuits are less flattenedMagnetite is an iron ore that has a high enough content to allow a magnet stick (ferrimagnetic) to it, while rhodonite is a silicate mineral usually having an abundance of Manganese giving it it's pink color. This piece measures out to 4 inches in length, 2. 7 inches in width, and 2. 5 inches in height. Customers will receive the exact item pictured.