Sodalite

Info: Sodalite is rarely found in rhombododekadretical crystals, more often is found in grain aggregates. It is from colorless to blue with various colorations. Sodalite has waxy to glassy luster. During hydrothermal processes sodalite can turn himself into natrolite or other zeolites.

How to recognize: Sodalite can be dissolved in hydrochloric acid and can be melted into white glass.

Found: Sodalite was found in Ontario, Quebec and British Columbia (Canada), Arkansas (USA), in Bolivia, Russia (Urals), Portugal, Zambia, Greenland, Italy and Germany.

Used for: Whole blue masses of sodalite are used in jewelry.