The mineral is halite, whose main chemical component is Sodium Chloride (NaCl). Halite is an evaporite mineral-i.e. it forms as a result of evaporating water leaving behind â¦ dissolved chemicals as mineral deposits.
Passive Solar Energy Definition. Passive solar energy is the heating space that utilizes the design of the house or building so as trap solar heat when necessary. This means that the passive solar ensures that the house is not too cold during winter and not too hot in the summer.
Windows act as collectors in a passive solar design, while active solar systems use additional equipment. The use of solar radiation for energy is an ancient concept, but recent concerns about the environmental impact of burning fossil fuels have made solar energy a hot topic.