(The Federal Republic) Norway Portugal Roumania Sweden U.S.S.R. Angola Burundi Canary Islands Chad Republic...Kalsilite, recalculated from an analysis of a complex phenocryst of kalsilite and nepheline lava of Baruta...crystallises in the hexagonal system and has a complex formula that represents essentially a hydrated...of pressure resulting in the decomposition of complex minerals, like amphibole or biotite, and also in...manganiferous carbonates are less well represented. Complex carbonates containing rare-earths are frequent