Eric Walker added Halide mineral - Wikipedia to Halide minerals

Eric Walker added Halide - Wikipedia to Halide minerals

Eric Walker added Hydrohalite and Halide mineral - Wikipedia and Halide - Wikipedia to Halide minerals, and added Halide minerals to Minerals and gems

Eric Walker added Planet Ceres is an 'ocean world' with sea water beneath surface, mission finds | Science | The Guardian and Hydrohalite - Wikipedia to Hydrohalite, and added Hydrohalite to Halide minerals

Eric Walker added a number of topics and a number of links to Minerals and gems, and added Minerals and gems to Geology, Natural resources and Atoms, molecules, chemicals, minerals, materials and compounds