Septarian Calcite Octagon Tower (Set of 2) #4 and can also serve as

and can also serve as an ingredient in different red and brown pigments for paint

Avg Size Range: (40 millimeters)

Origin: Mexico

Like all agates

Avg Size Range 2

Septarian Calcite Octagon Tower (Set of 2) #4 and can also serve asUniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Avg Size Range: (4 inches) Sizes Vary Septarian calcite formed when small marine animals died in volcanic eruptions millions of years ago. After sinking to the ocean floor and decomposing, they accumulated in layers of sediment, forming balls or nodules. Eventually, when exposed to air, these nodules dried out and cracked, and calcite deposits formed