This is a pretty zeolite crystal cluster.

It measures 3.11" x 2.68" x 2" and weighs 7.68 oz/218 grams.

Zeolite refers to a family of natural and synthetic aluminosilicate minerals that are characterized by their porous structure and ability to absorb and exchange ions. These minerals are formed from volcanic ash and seawater, undergoing a process of crystallization.   Zeolites have a unique framework structure composed of interconnected tetrahedra of silicon and aluminum, which creates a network of pores and channels. This porous nature allows zeolites to trap and hold ions and molecules.

There are over 40 different naturally occurring zeolite minerals, with common types including clinoptilolite, mordenite, and chabazite. Each type has different physical and chemical properties, suitable for various applications.  One of the defining characteristics of zeolites is their ability to exchange cations (positively charged ions) within their structure. They can selectively absorb different ions, such as sodium, calcium, and potassium, which makes them useful in water purification and soil amendment applications.

Zeolites can absorb significant amounts of water and are often used in agriculture to improve soil moisture retention and to hold nutrients for plants, promoting better growth.

In the metaphysical realm, zeolite is believed to harness energies of purification, transformation, and balance. Some users believe it can help facilitate emotional healing and enhance mental clarity.