. "Vacierite was a substance, possibly an alloy or polymer used for armor plating. The v-, a unit used to rate the firepower of artillery weapons, was based on the energy needed to get a double-packed particle emission of 1024 g2-ions in a coherent beam from a 400 cm by 8.5 cm rod of standard-purity vacierite."@en . "Vacierite was a substance, possibly an alloy or polymer used for armor plating. The v-, a unit used to rate the firepower of artillery weapons, was based on the energy needed to get a double-packed particle emission of 1024 g2-ions in a coherent beam from a 400 cm by 8.5 cm rod of standard-purity vacierite."@en . . . "Vacierite"@en .