Strontium (element)
鎴 is a rare kanji created specifically to represent the chemical element strontium. Its meaning is limited to that element and has no broader conceptual center.
鎴 is a modern coined character for strontium, combining the metal radical 金 with the phonetic component 息 (ソク). It follows the standard pattern for element names in Japanese.
The metal radical 金 signals a metallic element, and the right side 息 (breath/rest) hints at the sound. Picture a newly discovered metal resting in the periodic table: strontium.
For ソク, imagine a sock made of strontium metal: sock -> ソク, and the metal radical 金 confirms it's a metallic element.