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The heart is a very old symbol of love used by everyone around the world. Traditionally, the heart has been chosen in several cultures as the seat of love and feeling. It is not entirely clear why the heart was chosen as a love symbol. Perhaps because the heart is automatically related to the (feeling) life and without the heart (read love) no life is possible. The heartbeat is partly influenced by feelings; so our hearts beat faster when in love. The heart likes to be loved. The heart needs love. It has even been claimed that love extends life expectancy, while loneliness is counterproductive. Everyone knows the phrase, "He died of a broken heart."
The mineral sodalite is a chlorine-containing sodium aluminum silicate with the chemical formula Na8Al6Si6O24Cl2. The tectosilicate belongs to the feldspar substitutes. The white, gray, pink, green or azure blue sodalite has a glass to fat luster, a white stripe color and the cleavage is poor according to the crystal plane [110]. The average density is 2.29 and the hardness is 6. The crystal system is cubic and the mineral is not radioactive. The name of the mineral sodalite is derived from its chemical composition; the English sodium means "sodium". Sodalite is mainly found in nepheline syenites, phonolites and other felsic silica-poor igneous and metamorphic rocks. The type location is located in the Ilimaussaq massif in Greenland.