An alkali is derived from the Arabic word 'qali' means ' from the ashes'. As ashes are mixed with water used for cleaning products and are made of alkali materials. It is a basic hydroxide or ionic ...

Carbonatites are igneous rocks consisting of >50% magmatic carbonate minerals, occur on all continents (including Antarctic) and range in age from Archean to present day 1,2. On the basis of ...