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Magnesium single crystal 12Mg24.312
Magnesium was recognized as an element in 1755 by Joseph Black at Edinburgh, Scotland; isolated by Sir Humphry Davy in 1808.
[Greek: magnesia = district of Thessaly]
French: magnésium
German: magnesium
Italian: magnesio
Spanish: magnesio
Description: Magnesium is a silvery-white, lustrous and relatively soft metal. It is obtained by the electrolysis of fused MgCl2. Magnesium burns in air when ignited and it reacts with hot water. It is used as the bulk metal and in leightweight alloys. Magnesium as a 'sacrificial' electrode will protect other metals that are exposed to seawater and groud water.
| Metal single crystal properties | ||
|---|---|---|
| State: | single crystal | |
| Crystal structure: | hexagonal | |
| Production method: | Bridgman | |
| Standard size: | diameter 10-20mm thickness 1-2mm |
|
| Orientation: | (0001), (1-100) and (11-20) | |
| Orientation accuracy: | <2°, <1°, <0.5° or <0.1° | |
| Polishing: | as cut, one or two sides polished | |
| Roughness of surface: | <0.03µm | |
| Purity: | 99.999% | |
| Typical analysis (ppm): | Al 2 Ca 1 Cu < 3 Fe 2 Mn 2 |
Ni < 3 Pb 1 Si 3 Sn < 1 Zn 5 Mg balance |