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Metallic antimony, a bluish-white metal, is extremely brittle, flaky and crystalline. Though sometimes found in its pure state, antimony is more frequently found as the sulfide, stibnite (Sb<sub>2</sub>S<sub>3</sub>), or as antimonides of heavy metals and as oxides. It is a poor conductor of heat and electricity and has a hardness of 3-3.5 on th Mohs scale. Antimony is used in the manufacture of alloys and as a hardening agent for lead. In its purest form, antimony is used in semiconductor technology.
|Property Name||Property Value||Property Name||Property Value|
|Atomic Code||( 51Sb121.75)||Atomic Volume||18.4W/D|
|CAS #||7440-36-0||First Ionization Energy||199K-cal/g-mole|
|Melting Point||630.7°C||Covalent Radius||1.40Angstroms|
|Boiling Point||1587°C||Mohs Hardness @ 20°C||3.25|
|Density||6.68g/cm3||Linear Coefficient of Expansion (0-1000°C)||8-11K-1|
|Themal Conductivity||0.045cal/cm2/cm/s/°C||Electrical Resistivity @ 20°C||39.1µΩ-cm|
|Specific Heat @ 25°C||0.0494cal/g°C||Crystal Structure||Rhombohedral|
|Heat of Fusion||38.3cal/g||Thermal Neutron Cross Section||5.7barns/atom|
|Heat of Vaporization||161cal/g||Magnetic Susceptibility @ 18°C||-99.0x10-6cgs|