Literature Reference: 参差碧岫耸莲花，潺湲绿水莹金沙。—— 《游长宁公主流杯池二十五首 二十四》 The emerald peaks rise like lotus flowers, and the flowing green water sparkles like golden sand. Source from 'Twenty-Five Poems on the Flowing Cup Pond of Princess Changning, No. 24'.
金: Gold, the precious metal. Symbolizes the prosperity of wealth and abundance.
沙: Sand, grains of sand.
Meaning: Golden sand symbolizes beauty, preciousness, and brilliance, signifying something as valuable as gold and as fine as sand.