Datolite is a calcium boron hydroxide silicate mineral belonging to the sorosilicates class, recognized for its diverse color palette that ranges from colorless to white, yellow, green, and brown. Its physical characteristics include well-formed prismatic, tabular, or granular crystal structures with a vitreous luster. Datolite is commonly found in cavities of basaltic rocks and occasionally in contact metamorphic rocks, often associated with minerals such as zeolites, prehnite, and quartz.


Datolite is not widely used in industrial applications due to its relatively low economic value. However, it has gained popularity among mineral collectors and enthusiasts for its unique crystal habits and diverse color range. Specimens of datolite with exceptional color or crystal formations are particularly sought after by collectors.


While not a mainstream gemstone, datolite can be cut and polished to create attractive cabochons or faceted stones for use in jewelry. The mineral’s unique crystal formations and diverse color range offer a distinctive appeal for those seeking something out of the ordinary. Datolite’s relative rarity and unique aesthetic make it an interesting option for collectors and jewelry enthusiasts alike.


Datolite forms in nature through hydrothermal processes, particularly in cavities of basaltic rocks. The mineral is created when hot, boron-rich fluids interact with calcium-bearing rocks, resulting in the formation of datolite crystals. The presence of various trace elements can lead to the diverse range of colors found in datolite specimens.


Datolite can be found in various geographical locations worldwide. Some of the most notable occurrences of datolite are in the United States, particularly in the Lake Superior region, New Jersey, and Connecticut. Other significant deposits can be found in Germany, Russia, and Norway. These regions are known for their abundance of basaltic rocks, which provide ideal conditions for the formation of datolite minerals.


In metaphysical and spiritual practices, datolite is believed to possess a range of beneficial properties. The mineral is said to help individuals develop their intuition and psychic abilities, as well as to foster emotional healing and balance. Datolite is also considered a stone of mental clarity, enhancing focus and analytical skills. Additionally, the mineral is thought to aid in communication and the expression of one’s true self, promoting harmony and understanding in relationships.

Hardness (Mohs)5 – 5.5 
ColorColorless, white, yellow, green, brown
CleavageGood in one direction
Specific Gravity2.8 – 3.0