Gallium Metal Crystals
Gallium (pronounced /ˈɡæliəm/) is a chemical element that has the symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the Ga (III) salt, in trace amounts in bauxite and zinc ores. A soft silvery metallic poor metal, elemental gallium is a brittle solid at low temperatures. As it liquefies slightly above room temperature, it will melt in the hand. Its melting point is used as a temperature reference point, and from its discovery in 1875 to the semiconductor era, its primary uses were in high-temperature thermometric applications and in preparation of metal alloys with unusual properties of stability, or ease of melting; some being liquid at room temperature (Ga-In eutectic, 75% Ga, 25% In, mp = °C).
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Keywords: crystalline, crystals, element, gallium, melting, metal, point, xls
