MEN'S RING 1 CT ROUND DIAMOND 10K YELLOW GOLD Friendship Collection making it a perfect symbol
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![ghk-cu copper coordination geometry square-pyramidal A new square pyramidal copper(II) complex [Cu(C10H24N4)Br]Br: Crystal structure, thermal analysis, Hirschfeld surfaces, electrical and semiconducting properties A new square pyramidal copper(II](https://ars.els-cdn.com/content/image/1-s2.0-S0022286021007638-gr3.jpg)
