Minerals / Sodalite, New zealand.
Sodalite is named because of it's soda content. It is a tectosilicate mineral with the formula Na8 ( Al6 Si6 O24 ) Cl2 , and is classed as a feldspathoid mineral. It has the appearance of a rock, but it is a mineral, and when polished can be used for making jewellery. Unfortunately, it's origin can only be loosely attributed to New Zealand.
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