Tags: Chemical Substance, Mineral.
Northupite is an uncommon evaporite mineral with the chemical formula Na3Mg(CO3)2Cl. It occurs as colourless to dark grey or brown octahedral crystals and as globular masses. In synthetic material it forms a series with tychite (Na6Mg2(CO3)4SO4).It was discovered in 1895 at Searles Lake San Bernardino County California by C. H. Northup (born 1861) from San Jose California for whom Northupite is named.
